OTA Updates/iPhone/17.2.1

iPhone XR

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	d1f2bc498325c48313c6d27ae9367c0dc4f1cfb6.zip	5,806,011,689
	21C66	—			d1f2bc498325c48313c6d27ae9367c0dc4f1cfb6.zip	5,806,011,689
		14.5	18E199		7ab3b83b8e7df2114716653dea4d485f581bb5a7.zip	4,824,076,408
		14.5.1	18E212
		14.6	18F72
		14.7	18G69		dbc2b2e1cab77e72800ce1f1733ca03566e195ad.zip	4,814,361,011
		14.7.1	18G82
		14.8	18H17
		14.8.1	18H107
		15.0	19A346		d5f6e53dae0db07c5989ed5fa732410d4ad8960f.zip	4,431,881,874
		15.0.1	19A348
		15.0.2	19A404
		15.1	19B74		f5352753dbfe0a507589fa13f907cbb790c9c7b4.zip	4,382,619,851
		15.2	19C56		f9c5c54450055fe030aface74d6fd21d93f3fd60.zip	4,378,352,749
		15.2.1	19C63		f9c5c54450055fe030aface74d6fd21d93f3fd60.zip	4,378,352,749
		15.3	19D50		7ab2392fdb5fffc7995824b5be66cfd2e4dbbd35.zip	4,417,807,646
		15.3.1	19D52
		15.4	19E241
		15.4.1	19E258
		15.5	19F77		5123cc3b88588499bf98e109e72f1d852ed70755.zip	4,369,549,377
		15.6	19G71
		15.6.1	19G82
		15.7	19H12		64c32db8f3a2d2bf6f4f9846d77a9ec158f1d91c.zip	4,348,781,777
		15.7.1	19H117
		15.7.2	19H218
		16.0	20A362		220a9259a947bcf53313221f2c3fa13466579b70.zip	3,729,883,482
		16.0.2	20A380
		16.0.3	20A392
		16.1	20B82		bc4eb91e9a6ce0f844f4e03a1ac5523de60ff38b.zip	3,674,588,959
		16.1.1	20B101
		16.1.2	20B110
		16.2	20C65		efa6a7369d02d18ea54fd27116aa689122ef706a.zip	3,721,098,102
		16.3	20D47
		16.3.1	20D67
		16.4	20E247		37ccf254f86351190ab7143420841290260ee6ca.zip	3,260,988,951
		16.4.1	20E252		37ccf254f86351190ab7143420841290260ee6ca.zip	3,260,988,951
		16.5	20F66		948a31b31da15e56a650b2d3872c9cb10ebeadfa.zip	3,246,363,952
		16.5.1	20F75		948a31b31da15e56a650b2d3872c9cb10ebeadfa.zip	3,246,363,952
		16.6	20G75		1c54673d5c0bd0dde98f512db5a4021577376e70.zip	3,663,155,711
		16.6.1	20G81
		16.7	20H19
		16.7.1	20H30
		16.7.2	20H115		db9467f6656045569d66d4c17ccf7539dc7f5768.zip	3,021,088,896
		17.0	21A329		91292900a3c65d20b8537d51e7ca0904596fe51e.zip	1,307,278,789
		17.0.1	21A340		af37a2404bc0609a6d059d40c6c0963516f275f1.zip	1,133,573,064
		17.0.2	21A351		af37a2404bc0609a6d059d40c6c0963516f275f1.zip	1,133,573,064
		17.0.3	21A360		91292900a3c65d20b8537d51e7ca0904596fe51e.zip	1,307,278,789
		17.1	21B74		f70b9c7c15c1d7cdc9ffcca831b8ecc8339c3b29.zip	1,141,808,598
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		3aee8f8cc3c3736178ee86e194dd687eeb33301a.zip	163,012,634

iPhone XS

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	387534500408f0c0867b48bef124a1e581b12ed0.zip	5,983,322,945
	21C66	—			387534500408f0c0867b48bef124a1e581b12ed0.zip	5,983,322,945
		14.5	18E199		8dc35274ac472659092f314239111d2f15db123c.zip	4,903,221,640
		14.5.1	18E212
		14.6	18F72
		14.7	18G69		d9c24144fa0d8e2fdf42cfc58a440acc2ceccc7c.zip	4,894,409,472
		14.7.1	18G82
		14.8	18H17
		14.8.1	18H107
		15.0	19A346		2edc8d979df29198521e39427d48bb5810a959bc.zip	4,504,511,540
		15.0.1	19A348
		15.0.2	19A404
		15.1	19B74		24d3cb5aab55e8f33c8cbed75e9cda12c19781e2.zip	4,460,504,925
		15.2	19C56		99336cbb03b0c9a44515b3fdc99b2c5acc520eca.zip	4,457,634,566
		15.2.1	19C63		99336cbb03b0c9a44515b3fdc99b2c5acc520eca.zip	4,457,634,566
		15.3	19D50		83323fd2f115daf277fcb0ed6c2ed6b7b15e09de.zip	4,491,691,053
		15.3.1	19D52
		15.4	19E241
		15.4.1	19E258
		15.5	19F77		6bbfcaa0582e6eae1283d6a68650ba06c62314f9.zip	4,433,954,308
		15.6	19G71
		15.6.1	19G82
		15.7	19H12		b2a6b9782a511ba3f2d1cbbbb2b63ff8a01c8ecb.zip	4,421,107,470
		15.7.1	19H117
		15.7.2	19H218
		16.0	20A362		48b1d35932240367a387065a0c8ea9342773f4e0.zip	3,773,953,268
		16.0.2	20A380
		16.0.3	20A392
		16.1	20B82		a6614e43f1f8bcb78513652b1a28febd2d490dc9.zip	3,725,678,391
		16.1.1	20B101
		16.1.2	20B110
		16.2	20C65		89a5b5354aa3d08c5c7a73283dbb79458f8375e8.zip	3,763,696,600
		16.3	20D47
		16.3.1	20D67
		16.4	20E247		4b0d4a2014d6d177c2ed510397676c5b5adbe1de.zip	3,305,069,541
		16.4.1	20E252		4b0d4a2014d6d177c2ed510397676c5b5adbe1de.zip	3,305,069,541
		16.5	20F66		bd08f37c2a5f949d8e33962cfe4cd7fdf8afd6a9.zip	3,281,771,713
		16.5.1	20F75		bd08f37c2a5f949d8e33962cfe4cd7fdf8afd6a9.zip	3,281,771,713
		16.6	20G75		f01ba04421bd7842dad3794333187cb99d3f2bdc.zip	3,689,754,991
		16.6.1	20G81
		16.7	20H19
		16.7.1	20H30
		16.7.2	20H115		55799e3e20b87a40e2bb67f6c58311950fd5d4cf.zip	3,059,583,478
		17.0	21A329		31bef05a241924912f12ad10f31b653cf99f4841.zip	1,314,787,509
		17.0.1	21A340		161a872aeab96d992a122e9cc5d58466fa0184d0.zip	1,141,684,688
		17.0.2	21A351		161a872aeab96d992a122e9cc5d58466fa0184d0.zip	1,141,684,688
		17.0.3	21A360		31bef05a241924912f12ad10f31b653cf99f4841.zip	1,314,787,509
		17.1	21B74		26a6ca50443afa3dcb34c23a571bbe60efd334cc.zip	1,146,800,648
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		c9866e7428f9da0484183cef81a4d0cf5740e3b5.zip	166,050,027

iPhone XS Max

iPhone11,6

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	387534500408f0c0867b48bef124a1e581b12ed0.zip	5,983,322,945
	21C66	—			387534500408f0c0867b48bef124a1e581b12ed0.zip	5,983,322,945
		14.5	18E199		28f5403ca9a2c23e286e595762df23c3e6dff7b8.zip	4,902,500,948
		14.5.1	18E212
		14.6	18F72
		14.7	18G69		e3ccfa56ff1d82baea5270c8f077da21c2a41b18.zip	4,893,680,676
		14.7.1	18G82
		14.8	18H17
		14.8.1	18H107
		15.0	19A346		ca88a337cefa8b6c9b3ed2d14fc4643f8ae00c5a.zip	4,503,788,227
		15.0.1	19A348
		15.0.2	19A404
		15.1	19B74		cd4b7e8a1a7b1aa4e5a713bb5f8bc798fa13519d.zip	4,459,790,514
		15.2	19C56		d53de9f60c8e8639e61f369255d9dce90520642b.zip	4,456,907,308
		15.2.1	19C63		d53de9f60c8e8639e61f369255d9dce90520642b.zip	4,456,907,308
		15.3	19D50		06baaec8219ea1660acac1978b12c13c41285294.zip	4,490,979,586
		15.3.1	19D52
		15.4	19E241
		15.4.1	19E258
		15.5	19F77		5f069a422058affccd7b04415ad6deb89e6256fe.zip	4,433,230,809
		15.6	19G71
		15.6.1	19G82
		15.7	19H12		51330ad49ec5527f911ec96d9af30a152ef635b1.zip	4,420,376,925
		15.7.1	19H117
		15.7.2	19H218
		16.0	20A362		fb5a016f664038b01d6fa6f4b27d94bc46a1e90f.zip	3,773,228,392
		16.0.2	20A380
		16.0.3	20A392
		16.1	20B82		7cc4d9041e523e5d605997489be73a197bb7bbf5.zip	3,724,957,638
		16.1.1	20B101
		16.1.2	20B110
		16.2	20C65		f91f2a5575d3daaf660d9e7895d51bc0a23f5527.zip	3,762,967,691
		16.3	20D47
		16.3.1	20D67
		16.4	20E247		04e2ff3998a16f6f4bf3079513abb863f09f8cba.zip	3,304,351,558
		16.4.1	20E252		04e2ff3998a16f6f4bf3079513abb863f09f8cba.zip	3,304,351,558
		16.5	20F66		35d621721c5ac73fdde1cdf0fc5399d0385e21ff.zip	3,281,050,392
		16.5.1	20F75		35d621721c5ac73fdde1cdf0fc5399d0385e21ff.zip	3,281,050,392
		16.6	20G75		88edd35786b670c4bf6b5f0373d5a7845f10a021.zip	3,689,003,064
		16.6.1	20G81
		16.7	20H19
		16.7.1	20H30
		16.7.2	20H115		0d0766b56dbdff23fc2df96200f23b5d2bebd22d.zip	3,058,860,288
		17.0	21A329		344d8a3d57c5fd2f88523a1a0f622bea9be64215.zip	1,314,067,160
		17.0.1	21A340		8f735260dfd8ec6b0c85f458722b65630e713eb2.zip	1,140,964,157
		17.0.2	21A351		8f735260dfd8ec6b0c85f458722b65630e713eb2.zip	1,140,964,157
		17.0.3	21A360		344d8a3d57c5fd2f88523a1a0f622bea9be64215.zip	1,314,067,160
		17.1	21B74		9807c3a4f014e0590bd963fe0ef8d71b624f289d.zip	1,146,078,180
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		171ecc030cbcf45d71125b83d5cc826dfbad6c91.zip	165,327,847

iPhone 11

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	dc0285aeadf2d346f7da8c0ca028bb77db8aa4fa.zip	5,715,800,240
	21C66	—			dc0285aeadf2d346f7da8c0ca028bb77db8aa4fa.zip	5,715,800,240
		14.5	18E199		716fe135a0c8a3ea0b464e85b31a8b89cf04eba6.zip	4,768,139,534
		14.5.1	18E212
		14.6	18F72
		14.7	18G69		4a45c2588fa9431e1bd2a8ebf2ee162044f99447.zip	4,761,879,063
		14.7.1	18G82
		14.8	18H17
		14.8.1	18H107
		15.0	19A346		4ea9f46bc1b1099264054f81005d8a87017ab610.zip	4,373,702,811
		15.0.1	19A348
		15.0.2	19A404
		15.1	19B74		01a6b88e0cd55239f9f62583cc980a881af4eece.zip	4,324,500,073
		15.2	19C56		3a7f9ede1d0c3ffdf7f852732659a65cdfe1aba0.zip	4,317,707,982
		15.2.1	19C63		3a7f9ede1d0c3ffdf7f852732659a65cdfe1aba0.zip	4,317,707,982
		15.3	19D50		fe269ba5fc4a349dbb1eb67a3713bab92fcfec1a.zip	4,347,324,140
		15.3.1	19D52
		15.4	19E241
		15.4.1	19E258
		15.5	19F77		51abb38f71e8015251dd598c10faaab6baef5ec7.zip	4,302,512,311
		15.6	19G71
		15.6.1	19G82
		15.7	19H12		0abcbea0f5aeeee52c6d82809e052b2bdd880fe8.zip	4,298,137,898
		15.7.1	19H117
		15.7.2	19H218
		16.0	20A362		e1c69a76a73c57e78d77361b59b1e7c8a3983ebb.zip	3,714,724,363
		16.0.2	20A380
		16.0.3	20A392
		16.1	20B82		29c9e62081658d84f482e519d32d8c3df238bcc5.zip	3,658,286,273
		16.1.1	20B101
		16.1.2	20B110
		16.2	20C65		deeff491d46036484efa0b934493369e83c59206.zip	3,690,819,695
		16.3	20D47
		16.3.1	20D67
		16.4	20E247		b1546f0f827cc1cce0fa9ac8cb71902583b949cf.zip	3,256,762,032
		16.4.1	20E252		b1546f0f827cc1cce0fa9ac8cb71902583b949cf.zip	3,256,762,032
		16.5	20F66		c43365dba9fa48c8b8774211aa179c6e90163a0e.zip	3,235,596,641
		16.5.1	20F75		c43365dba9fa48c8b8774211aa179c6e90163a0e.zip	3,235,596,641
		16.6	20G75		94ce2d4999f3daccf66a0af8ebdabe93003d2cbd.zip	3,647,110,526
		16.6.1	20G81
		16.7	20H19
		16.7.1	20H30
		16.7.2	20H115		cea7c79e2fd4da7e981dafae06d5b3ce749acf0c.zip	3,017,613,462
		17.0	21A329		3106371e349e9a70b45c90607e81ba1463b549f1.zip	1,334,959,015
		17.0.1	21A340		4499c3c6a6385cb38dbccbd8d0b4a56e30dc4396.zip	1,163,301,113
		17.0.2	21A351		4499c3c6a6385cb38dbccbd8d0b4a56e30dc4396.zip	1,163,301,113
		17.0.3	21A360		3106371e349e9a70b45c90607e81ba1463b549f1.zip	1,334,959,015
		17.1	21B74		a4f1ff3b9d835311a7ff323439e7558d97b02b1a.zip	1,169,072,734
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		87c65390054b1c6808b179bd18896085d1ce374a.zip	192,477,408

iPhone 11 Pro

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	bebb562ad02f8085f55005076a523a6b7ec56bff.zip	5,842,007,972
	21C66	—			bebb562ad02f8085f55005076a523a6b7ec56bff.zip	5,842,007,972
		14.5	18E199		026bfbfe77aa49fe147989258e38ababe2fb10b2.zip	4,830,913,216
		14.5.1	18E212
		14.6	18F72
		14.7	18G69		78508e913e90c15b534b549315b3916923e4c331.zip	4,826,189,933
		14.7.1	18G82
		14.8	18H17
		14.8.1	18H107
		15.0	19A346		1d9138815672a6bb669d85595bbc4cf285f6d311.zip	4,421,521,054
		15.0.1	19A348
		15.0.2	19A404
		15.1	19B74		58058c334c00e3c174e30dec45439b52083fca8b.zip	4,372,356,951
		15.2	19C56		edd4525d796b23c59e00f4248fc89eb0fb1e210d.zip	4,359,727,349
		15.2.1	19C63		edd4525d796b23c59e00f4248fc89eb0fb1e210d.zip	4,359,727,349
		15.3	19D50		53b2ff6e1d81aa7940fbb41efbebb491713ce386.zip	4,394,267,430
		15.3.1	19D52
		15.4	19E241
		15.4.1	19E258
		15.5	19F77		f886334b4aad4e2f6e70f2b73cc666f690e4670d.zip	4,344,200,924
		15.6	19G71
		15.6.1	19G82
		15.7	19H12		c4bc7062391954671cc959ec3e73dbf523990a84.zip	4,340,723,448
		15.7.1	19H117
		15.7.2	19H218
		16.0	20A362		0e697979eb98e4e457a024df4004a830eb0643e3.zip	3,730,467,486
		16.0.2	20A380
		16.0.3	20A392
		16.1	20B82		a36f9f0ffb9871b6cf898736966cc3a0a90b0e97.zip	3,684,709,662
		16.1.1	20B101
		16.1.2	20B110
		16.2	20C65		5a5f94140d46673841a59e75555f6ee0659e9bbc.zip	3,722,191,614
		16.3	20D47
		16.3.1	20D67
		16.4	20E247		648551f7b6567fab7c5f2cc870adb3f32d393bc8.zip	3,270,712,400
		16.4.1	20E252		648551f7b6567fab7c5f2cc870adb3f32d393bc8.zip	3,270,712,400
		16.5	20F66		d7d70216b0ef83927ecb3c743ce8cc865ff2bda0.zip	3,252,277,611
		16.5.1	20F75		d7d70216b0ef83927ecb3c743ce8cc865ff2bda0.zip	3,252,277,611
		16.6	20G75		03f495de135b8211c8dee93d178ca3e3de78b0f6.zip	3,662,992,427
		16.6.1	20G81
		16.7	20H19
		16.7.1	20H30
		16.7.2	20H115		c76c197e312ba6741c4b2717e9e8ec1355eb0b6f.zip	3,025,645,705
		17.0	21A329		1fb35f60c0b111f512a6c259b9dafa526d4ae79a.zip	1,318,045,416
		17.0.1	21A340		5e27306bd793953079d6632a892ab3da7d99f71a.zip	1,144,440,501
		17.0.2	21A351		5e27306bd793953079d6632a892ab3da7d99f71a.zip	1,144,440,501
		17.0.3	21A360		1fb35f60c0b111f512a6c259b9dafa526d4ae79a.zip	1,318,045,416
		17.1	21B74		1d1d32e997531dcfb18b9f0fccc9fb664df860a6.zip	1,150,318,514
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		463e2f5a25473c92b82e6b0eb7ef2e2c7e2ea63a.zip	170,327,099

iPhone 11 Pro Max

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	bebb562ad02f8085f55005076a523a6b7ec56bff.zip	5,842,007,972
	21C66	—			bebb562ad02f8085f55005076a523a6b7ec56bff.zip	5,842,007,972
		14.5	18E199		788095419be0b94dbd37b7540ef7286f24faf144.zip	4,830,651,529
		14.5.1	18E212
		14.6	18F72
		14.7	18G69		1a621bf22b133faec169403ba3a45158293794a2.zip	4,825,958,194
		14.7.1	18G82
		14.8	18H17
		14.8.1	18H107
		15.0	19A346		b731c3922ecc0b609a268289a11cfa5ca3c5eafb.zip	4,421,284,970
		15.0.1	19A348
		15.0.2	19A404
		15.1	19B74		e24c9fc004ebc762595376d36609b80f9177a697.zip	4,372,108,655
		15.2	19C56		906f9d1a6b20fd1cbd5f4f157138f7dced2eda14.zip	4,359,479,826
		15.2.1	19C63		906f9d1a6b20fd1cbd5f4f157138f7dced2eda14.zip	4,359,479,826
		15.3	19D50		bb8ca239907079852c886cb3c386c9ccebb32a7d.zip	4,394,029,568
		15.3.1	19D52
		15.4	19E241
		15.4.1	19E258
		15.5	19F77		dfc5b67ed1e7b7241bdce3f6aa0d9695b2360a05.zip	4,343,955,753
		15.6	19G71
		15.6.1	19G82
		15.7	19H12		e495e1b2de05150a8a1efed0cbc6623bae73fabe.zip	4,340,451,655
		15.7.1	19H117
		15.7.2	19H218
		16.0	20A362		f989c8e647dfba2607864b30e4f4c118ec0ce9e9.zip	3,730,225,722
		16.0.2	20A380
		16.0.3	20A392
		16.1	20B82		26ca879f2df7a0888bbd543361fe7a692b201959.zip	3,684,473,007
		16.1.1	20B101
		16.1.2	20B110
		16.2	20C65		44294d61ffddb45476b273e23e847f5c1b25f854.zip	3,721,956,803
		16.3	20D47
		16.3.1	20D67
		16.4	20E247		22bad302b666d913f6822ff50fe1fe6d5e00b46d.zip	3,270,469,572
		16.4.1	20E252		22bad302b666d913f6822ff50fe1fe6d5e00b46d.zip	3,270,469,572
		16.5	20F66		10cd4a7fb897127179e3013169d17ebbd82ec2e3.zip	3,252,046,871
		16.5.1	20F75		10cd4a7fb897127179e3013169d17ebbd82ec2e3.zip	3,252,046,871
		16.6	20G75		43bca244cdd0d276d478090a458c17f20a2e9c5b.zip	3,662,750,070
		16.6.1	20G81
		16.7	20H19
		16.7.1	20H30
		16.7.2	20H115		28536e42562fd7dfe6faa3179749cf83d06f1d21.zip	3,025,420,622
		17.0	21A329		bb818163d8ab20714111a076e11c6d7e8171ca77.zip	1,317,805,876
		17.0.1	21A340		bc54cb93c3338e719434f136ea132ba5990ad557.zip	1,144,200,427
		17.0.2	21A351		bc54cb93c3338e719434f136ea132ba5990ad557.zip	1,144,200,427
		17.0.3	21A360		bb818163d8ab20714111a076e11c6d7e8171ca77.zip	1,317,805,876
		17.1	21B74		220040f0a14e2d128b94471c92151293ba7b1a50.zip	1,150,083,073
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		e60887ded797c64ca7c9499e3663c44ed7d11cca.zip	170,085,144

iPhone SE (2nd generation)

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	4e7f00dd53f974049e9d246f455f5dc81414a212.zip	5,691,560,234
	21C66	—			4e7f00dd53f974049e9d246f455f5dc81414a212.zip	5,691,560,234
		14.5	18E199		fe71cff71230e88ee30050bbf2fd4af5b993ef94.zip	4,735,213,603
		14.5.1	18E212
		14.6	18F72
		14.7	18G69		65838c7aeb0cd71dc7f67b9c82afd3d79464e45e.zip	4,732,420,076
		14.7.1	18G82
		14.8	18H17
		14.8.1	18H107
		15.0	19A346		55c94941a2d9578d057456530bf3cbad04743ae8.zip	4,339,916,227
		15.0.1	19A348
		15.0.2	19A404
		15.1	19B74		6b47c15591aa14e4fae5930cc0e0e138638c540e.zip	4,291,098,687
		15.2	19C56		0d5703284649ec299f2acc3d6b704a7bd28016c5.zip	4,284,264,052
		15.2.1	19C63		0d5703284649ec299f2acc3d6b704a7bd28016c5.zip	4,284,264,052
		15.3	19D50		405fad8f003f64c11fedc084df5b01b61f8ca793.zip	4,314,421,158
		15.3.1	19D52
		15.4	19E241
		15.4.1	19E258
		15.5	19F77		a2bc75429d3ac7a249ba90de7c3d2a8778a90df3.zip	4,270,921,149
		15.6	19G71
		15.6.1	19G82
		15.7	19H12		7cacd4f693f28b77d9e4cb8ebb580b4115d4dc0b.zip	4,265,661,541
		15.7.1	19H117
		15.7.2	19H218
		16.0	20A362		e1c4c97996b0d765c684bbc52dce4174369d32e1.zip	3,675,821,626
		16.0.2	20A380
		16.0.3	20A392
		16.1	20B82		d809d5e8a6a2ce96aa35f972cc436f73b3103524.zip	3,643,696,685
		16.1.1	20B101
		16.1.2	20B110
		16.2	20C65		f0bdcded96241be25080ddb9cf60442bd704e671.zip	3,667,685,775
		16.3	20D47
		16.3.1	20D67
		16.4	20E247		362a4e69c7db44605dd24fa773991111e2f8076e.zip	3,228,660,976
		16.4.1	20E252		362a4e69c7db44605dd24fa773991111e2f8076e.zip	3,228,660,976
		16.5	20F66		d971953b9ffc2661943e1d14c9d51beb4cfa2428.zip	3,207,407,478
		16.5.1	20F75		d971953b9ffc2661943e1d14c9d51beb4cfa2428.zip	3,207,407,478
		16.6	20G75		f5a991f56084216b0119120fa841b364f203ee52.zip	3,616,891,623
		16.6.1	20G81
		16.7	20H19
		16.7.1	20H30
		16.7.2	20H115		aa896d5a4b942be8ed1e1957cc2b0d53152f1a53.zip	2,989,137,619
		17.0	21A329		4f05ceda609d712ceaff916964cf62070087385a.zip	1,308,579,484
		17.0.1	21A340		a0f6c1ffeb79c1003ec9263577d958bc302e2ad5.zip	1,136,861,808
		17.0.2	21A351		a0f6c1ffeb79c1003ec9263577d958bc302e2ad5.zip	1,136,861,808
		17.0.3	21A360		4f05ceda609d712ceaff916964cf62070087385a.zip	1,308,579,484
		17.1	21B74		478ba24d6ab3fa36649a068042c0e54be8625147.zip	1,141,684,533
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		86e55122b93edbc0a67a54420e7c9902bfc09ff0.zip	165,708,577

iPhone 12 mini

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	22061d5b52a2aa503de6719e7f9cdb8eb8ee0be6.zip	6,023,127,181
	21C66	—			22061d5b52a2aa503de6719e7f9cdb8eb8ee0be6.zip	6,023,127,181
		14.5	18E199		9a71ef3841133be514d01535b2bda2f68ed3d104.zip	5,026,871,623
		14.5.1	18E212
		14.6	18F72
		14.7	18G69		ee79dcb5d13b50ed0734104f10a05ef2dc14be0b.zip	5,008,404,190
		14.7.1	18G82
		14.8	18H17
		14.8.1	18H107
		15.0	19A346		9eed5da027834f9577d52430e98df751a81d49f3.zip	4,588,476,840
		15.0.1	19A348
		15.0.2	19A404
		15.1	19B74		42aad4c1110eaf6a27ec5ec78bf74320a7ee293c.zip	4,538,724,254
		15.1.1	19B81		42aad4c1110eaf6a27ec5ec78bf74320a7ee293c.zip	4,538,724,254
		15.2	19C56		d6d174da50a90959ec0bd507dd4cc81ecc6cbb41.zip	4,532,005,954
		15.2.1	19C63		d6d174da50a90959ec0bd507dd4cc81ecc6cbb41.zip	4,532,005,954
		15.3	19D50		799d1a54be954c4da314ee74d489b0b0d0cb046a.zip	4,555,141,848
		15.3.1	19D52
		15.4	19E241
		15.4.1	19E258
		15.5	19F77		4df585f0687b1bf25fa466e0b132e6f4797d4316.zip	4,510,444,885
		15.6	19G71
		15.6.1	19G82
		15.7	19H12		aae3fb9b74f048ad0b019cb23fcaffd4bbc7fecc.zip	4,511,934,449
		15.7.1	19H117
		15.7.2	19H218
		16.0	20A362		6eff0733a3d83b68f540ab060deb3e6ab8f995a4.zip	3,890,957,075
		16.0.2	20A380
		16.0.3	20A392
		16.1	20B82		59959e1b978b299288c47a2e753a02f8bc23d7a4.zip	3,845,268,531
		16.1.1	20B101
		16.1.2	20B110
		16.2	20C65		7a1250c24be5319a687fb73e36b349cffee3d958.zip	3,863,915,058
		16.3	20D47
		16.3.1	20D67
		16.4	20E247		6b27d733675b3eadfb568115e4ed8bd9b0faf3a6.zip	3,401,922,835
		16.4.1	20E252		6b27d733675b3eadfb568115e4ed8bd9b0faf3a6.zip	3,401,922,835
		16.5	20F66		7e8c4d86661262ab42ab35a07a67fce675656110.zip	3,382,871,083
		16.5.1	20F75		7e8c4d86661262ab42ab35a07a67fce675656110.zip	3,382,871,083
		16.6	20G75		bf88215312e42a24e03a7ce30c36ce02b03b3de9.zip	3,807,275,766
		16.6.1	20G81
		16.7	20H19
		16.7.1	20H30
		16.7.2	20H115		e652085ee12f093811346c741b60283b525b7026.zip	3,162,408,236
		17.0	21A329		5841840c86875daeff6f109855f8987beca8f9ae.zip	1,437,146,063
		17.0.1	21A340		4166408200c066f681142a79beb6336ca28ab02f.zip	1,263,757,713
		17.0.2	21A351		4166408200c066f681142a79beb6336ca28ab02f.zip	1,263,757,713
		17.0.3	21A360		5841840c86875daeff6f109855f8987beca8f9ae.zip	1,437,146,063
		17.1	21B74		c4f2cc04803d5276a2ae1975856d16b0246d7503.zip	1,265,476,199
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		c7a3637c4b3a9ca5f880959c16095b6c041162b1.zip	207,319,834

iPhone 12

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	2e8a26f97f86aad5d7da4b4c6fd5e4bf6551243d.zip	6,178,136,528
	21C66	—			2e8a26f97f86aad5d7da4b4c6fd5e4bf6551243d.zip	6,178,136,528
		14.5	18E199		4ba100a5a2d809d86a1ff74de005f90e9ccd9466.zip	5,149,963,137
		14.5.1	18E212
		14.6	18F72
		14.7	18G69		6c969e384874459a0a19adb25c94d4ff5f8d5ebc.zip	5,138,125,471
		14.7.1	18G82
		14.8	18H17
		14.8.1	18H107
		15.0	19A346		12ddf5ffa8116959b41ba612d0098edb21b54196.zip	4,687,980,651
		15.0.1	19A348
		15.0.2	19A404
		15.1	19B74		4aeabb50e88afcc7531c5e079a9d787ac95b2ff2.zip	4,638,131,299
		15.1.1	19B81		4aeabb50e88afcc7531c5e079a9d787ac95b2ff2.zip	4,638,131,299
		15.2	19C56		83acc8f9c9d6540502c4dd000dea8f734643e9f4.zip	4,632,635,729
		15.2.1	19C63		83acc8f9c9d6540502c4dd000dea8f734643e9f4.zip	4,632,635,729
		15.3	19D50		54673989de77a88140bafef613dc2af29633c4ef.zip	4,663,094,479
		15.3.1	19D52
		15.4	19E241
		15.4.1	19E258
		15.5	19F77		96fc1f784ea592087e09ed2dada3e4fbb06d2573.zip	4,603,269,699
		15.6	19G71
		15.6.1	19G82
		15.7	19H12		b91b287fe3c489bbece2dee7ecd3500fe5ca7053.zip	4,594,559,584
		15.7.1	19H117
		15.7.2	19H218
		16.0	20A362		3f5df4b3f3d0a08b0d3cecc9254dea4ecf0ea10e.zip	3,950,139,222
		16.0.2	20A380
		16.0.3	20A392
		16.1	20B82		d31900d2e0c70a4a8ab1ecb53c1754f4d9ebeb48.zip	3,909,142,625
		16.1.1	20B101
		16.1.2	20B110
		16.2	20C65		70d068035f89d0119b56628be82a41bdadb8e903.zip	3,922,792,248
		16.3	20D47
		16.3.1	20D67
		16.4	20E247		4d874cfe50a591ef6ca2721337e17cad28f1a14a.zip	3,450,987,633
		16.4.1	20E252		4d874cfe50a591ef6ca2721337e17cad28f1a14a.zip	3,450,987,633
		16.5	20F66		969459d2215e6237b4e70d458b4a142bc3565379.zip	3,429,469,590
		16.5.1	20F75		969459d2215e6237b4e70d458b4a142bc3565379.zip	3,429,469,590
		16.6	20G75		662144aac287ac42517cbd720d62edca4540021f.zip	3,836,612,823
		16.6.1	20G81
		16.7	20H19
		16.7.1	20H30
		16.7.2	20H115		aa088abec86e146b91753b99c6919e99195897e0.zip	3,204,485,810
		17.0	21A329		0079f7e989bc168769cb5eb13fa7bc87a10a523e.zip	1,451,293,013
		17.0.1	21A340		91a468ba36684173cc0d27338d8aed5e4a134c70.zip	1,278,682,299
		17.0.2	21A351		91a468ba36684173cc0d27338d8aed5e4a134c70.zip	1,278,682,299
		17.0.3	21A360		0079f7e989bc168769cb5eb13fa7bc87a10a523e.zip	1,451,293,013
		17.1	21B74		cac78e28392f49ddd6aa4a007f37f826c613b779.zip	1,281,365,897
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		76f3d266773724dc97b914ab7262f31fe0ef038f.zip	222,812,261

iPhone 12 Pro

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	2e8a26f97f86aad5d7da4b4c6fd5e4bf6551243d.zip	6,178,136,528
	21C66	—			2e8a26f97f86aad5d7da4b4c6fd5e4bf6551243d.zip	6,178,136,528
		14.5	18E199		434803dfca383fcf926756d02cee5106faf82956.zip	5,129,226,780
		14.5.1	18E212
		14.6	18F72
		14.7	18G69		4021c9b306a32150dcba66ff31cef2778e0dc70c.zip	5,117,390,252
		14.7.1	18G82
		14.8	18H17
		14.8.1	18H107
		15.0	19A346		e444e42a2b78286689fc25f9e2ed0f0f2c4932ad.zip	4,667,245,619
		15.0.1	19A348
		15.0.2	19A404
		15.1	19B74		0dcb8ee1a0d3ea6c04221274108c60594b8b3d18.zip	4,617,396,823
		15.1.1	19B81		0dcb8ee1a0d3ea6c04221274108c60594b8b3d18.zip	4,617,396,823
		15.2	19C56		dacac6baaf1091ac8622e7e269fb657448a5233f.zip	4,611,901,870
		15.2.1	19C63		dacac6baaf1091ac8622e7e269fb657448a5233f.zip	4,611,901,870
		15.3	19D50		db309e30f63534213cb65eba008028b2e8265418.zip	4,642,363,494
		15.3.1	19D52
		15.4	19E241
		15.4.1	19E258
		15.5	19F77		5cb92f5e12cd676a0290d2a4c8f2f67b27f004aa.zip	4,582,533,860
		15.6	19G71
		15.6.1	19G82
		15.7	19H12		bc42f70c56a46f929cd1f085f8673b6da75d61d4.zip	4,573,825,765
		15.7.1	19H117
		15.7.2	19H218
		16.0	20A362		f61436e8027089b238ecd2f341a3bd22e34b1f48.zip	3,929,398,661
		16.0.2	20A380
		16.0.3	20A392
		16.1	20B82		7b459546bff2a315723e7971374c77f1bd10093a.zip	3,888,416,591
		16.1.1	20B101
		16.1.2	20B110
		16.2	20C65		9d6ce9642eaa8d3557cd23951ed4d7019efa5339.zip	3,902,054,711
		16.3	20D47
		16.3.1	20D67
		16.4	20E247		124da2090fad280c1aabe9a744dee604d598ad7e.zip	3,430,252,729
		16.4.1	20E252		124da2090fad280c1aabe9a744dee604d598ad7e.zip	3,430,252,729
		16.5	20F66		19c3fe6b091cfe97c8ebad099816166bbd43c38e.zip	3,408,739,183
		16.5.1	20F75		19c3fe6b091cfe97c8ebad099816166bbd43c38e.zip	3,408,739,183
		16.6	20G75		05eee65e4d3146e714021d4a70c74005b5803ed4.zip	3,815,876,878
		16.6.1	20G81
		16.7	20H19
		16.7.1	20H30
		16.7.2	20H115		255f2d07e02c88cbed799bd5d5cd9cd9674d0717.zip	3,183,748,519
		17.0	21A329		6b9dc22b8983795bddf8b59851a4830034023ed5.zip	1,430,559,837
		17.0.1	21A340		1ef3cf031e2addd3b001877f9ed6ef1e3406dc87.zip	1,257,948,061
		17.0.2	21A351		1ef3cf031e2addd3b001877f9ed6ef1e3406dc87.zip	1,257,948,061
		17.0.3	21A360		6b9dc22b8983795bddf8b59851a4830034023ed5.zip	1,430,559,837
		17.1	21B74		45902991116dd57daaa6ea4c6c6bfa66b806278e.zip	1,260,640,496
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		7b1622dae02b62edc01d88c52df66c0ac6aa719d.zip	202,078,605

iPhone 12 Pro Max

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	2810f0874ed1a75d9c3bea58c5acc13049f164a0.zip	6,141,379,228
	21C66	—			2810f0874ed1a75d9c3bea58c5acc13049f164a0.zip	6,141,379,228
		14.5	18E199		a9eddb0eec7688271379995de8ca8ae25107239a.zip	5,138,055,454
		14.5.1	18E212
		14.6	18F72
		14.7	18G69		4f37c87e7a91866a57ab509d778dbfa46d568ac5.zip	5,119,701,021
		14.7.1	18G82
		14.8	18H17
		14.8.1	18H107
		15.0	19A346		89a20e77d616f6a6ccbd109f39e380c0b08d3403.zip	4,670,796,676
		15.0.1	19A348
		15.0.2	19A404
		15.1	19B74		252e6bf65c200cc998d96e29eae4a65081fa5cc7.zip	4,622,746,453
		15.1.1	19B81		252e6bf65c200cc998d96e29eae4a65081fa5cc7.zip	4,622,746,453
		15.2	19C56		2480d79fd40a6aab18411731058e8c54c132bcfa.zip	4,612,930,222
		15.2.1	19C63		2480d79fd40a6aab18411731058e8c54c132bcfa.zip	4,612,930,222
		15.3	19D50		062543377f0dfc0f1cab5ffb684b52a985fd8595.zip	4,646,509,366
		15.3.1	19D52
		15.4	19E241
		15.4.1	19E258
		15.5	19F77		a179e3d245db6337fc320ee3af36bac3f5a5bf43.zip	4,584,418,652
		15.6	19G71
		15.6.1	19G82
		15.7	19H12		fed6bb3407576add9b14a68b2e3dbb87a85c1f00.zip	4,579,720,383
		15.7.1	19H117
		15.7.2	19H218
		16.0	20A362		332476970c9ccab9c7a4e7bc1571c4f7a7b7abbb.zip	3,907,393,730
		16.0.2	20A380
		16.0.3	20A392
		16.1	20B82		0242a99cb84c6f2be7f6beb780b39010a905656d.zip	3,879,595,297
		16.1.1	20B101
		16.1.2	20B110
		16.2	20C65		7a6c45205fbcea1dd7f3b9b31282cb09d4da15a0.zip	3,885,022,216
		16.3	20D47
		16.3.1	20D67
		16.4	20E247		41b75e834f2ed88e1d94f7ba10c9f068aae2d530.zip	3,428,987,088
		16.4.1	20E252		41b75e834f2ed88e1d94f7ba10c9f068aae2d530.zip	3,428,987,088
		16.5	20F66		62c32e6996a29899ecaed67770d1ad550e74dda3.zip	3,412,721,100
		16.5.1	20F75		62c32e6996a29899ecaed67770d1ad550e74dda3.zip	3,412,721,100
		16.6	20G75		4c7b50e38ca98bc096a23afc04734e63e3776000.zip	3,820,773,268
		16.6.1	20G81
		16.7	20H19
		16.7.1	20H30
		16.7.2	20H115		3e739e221475396ecaf4768148f15c2a2ae1dd6b.zip	3,188,484,368
		17.0	21A329		016d50bc5bae0005364abbe0f29423476a3693e3.zip	1,435,500,435
		17.0.1	21A340		f90e9464c5a96ba7310181df337ca67933db3486.zip	1,263,615,748
		17.0.2	21A351		f90e9464c5a96ba7310181df337ca67933db3486.zip	1,263,615,748
		17.0.3	21A360		016d50bc5bae0005364abbe0f29423476a3693e3.zip	1,435,500,435
		17.1	21B74		4684c7a6008b00fd7b6a808d32d6141949587cdb.zip	1,267,830,598
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		71ab55e5501e6e3e3ab7e1159967cfad1db70053.zip	208,115,723

iPhone 13 mini

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	d5b92bfc6536c4d62d47fb94ce705590f7c0bcda.zip	6,098,141,782
	21C66	—			d5b92bfc6536c4d62d47fb94ce705590f7c0bcda.zip	6,098,141,782
		15.0	19A341		005a40b708acc5110e507d3f3874408c434f145d.zip	4,714,563,329
			19A344
			19A346
		15.0.1	19A348
		15.0.2	19A404
		15.1	19B74		1267929cf000db830669933216ad779a4db188c7.zip	4,656,083,528
		15.1.1	19B81		1267929cf000db830669933216ad779a4db188c7.zip	4,656,083,528
		15.2	19C57		f0e1572b992050d9d47e42f99b746988e740a497.zip	4,660,008,000
		15.2.1	19C63		f0e1572b992050d9d47e42f99b746988e740a497.zip	4,660,008,000
		15.3	19D50		5bf64d954a02ed2f09360f40eb4aa69bdaadf3e2.zip	4,680,576,500
		15.3.1	19D52
		15.4	19E241
		15.4.1	19E258
		15.5	19F77		9c33bad1272c5bf47e9940bdf0783e0db4ea3079.zip	4,635,640,675
		15.6	19G71
		15.6.1	19G82
		15.7	19H12		bde6dcabe85857c14a14c1c2e8a4ec257c7482d8.zip	4,633,316,876
		15.7.1	19H117
		15.7.2	19H218
		16.0	20A362		7328a641e36f75255a2257a78424af84e352baa8.zip	3,976,120,362
		16.0.2	20A380
		16.0.3	20A392
		16.1	20B82		939b02007552cfc2c22be515e26fe03c665e2bd2.zip	3,946,622,445
		16.1.1	20B101
		16.1.2	20B110
		16.2	20C65		63e4c4fbab4f43a1e7d25dc98eae5e5599093ed3.zip	3,979,953,426
		16.3	20D47
		16.3.1	20D67
		16.4	20E247		3d81b890aeb87ed4d2867f568d4b3b2c7740b2d9.zip	3,509,956,092
		16.4.1	20E252		3d81b890aeb87ed4d2867f568d4b3b2c7740b2d9.zip	3,509,956,092
		16.5	20F66		e81b2cdc6d3aa521356e369929a47bc8474e8148.zip	3,488,457,916
		16.5.1	20F75		e81b2cdc6d3aa521356e369929a47bc8474e8148.zip	3,488,457,916
		16.6	20G75		b4ce4340159759b809b15cfdb6a1eb8e2e4526be.zip	3,894,234,708
		16.6.1	20G81
		16.7	20H19
		16.7.1	20H30
		16.7.2	20H115		340f9fcf7ae196caf38ca27f752ffddd091efb61.zip	3,269,486,319
		17.0	21A329		f1bc73a204568076672e7112fe067e37abec184f.zip	1,490,321,829
		17.0.1	21A340		1ef09b2a75f2ecdd4ea08f21fb56afb10049b91e.zip	1,315,888,106
		17.0.2	21A351		1ef09b2a75f2ecdd4ea08f21fb56afb10049b91e.zip	1,315,888,106
		17.0.3	21A360		f1bc73a204568076672e7112fe067e37abec184f.zip	1,490,321,829
		17.1	21B74		eceef34a01ff7d9783889fd9c79d52c569b47508.zip	1,322,803,519
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		b0d9c29818ae9a6f4dead8a8097624992eb41388.zip	245,231,593

iPhone 13

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	77a7fa1d293693f9745a3957a13d81c3f7c1f7ed.zip	6,075,786,149
	21C66	—			77a7fa1d293693f9745a3957a13d81c3f7c1f7ed.zip	6,075,786,149
		15.0	19A341		60de50b94ce32d640679b195fa64d6a3194ebaf5.zip	4,693,640,818
			19A344
			19A346
		15.0.1	19A348
		15.0.2	19A404
		15.1	19B74		c9c5775f1c50fe73fb0d9fb1663bed9746c6e33f.zip	4,635,063,370
		15.1.1	19B81		c9c5775f1c50fe73fb0d9fb1663bed9746c6e33f.zip	4,635,063,370
		15.2	19C57		2c8513c55c3cce487ca9411f4cac89c758ef252b.zip	4,639,098,223
		15.2.1	19C63		2c8513c55c3cce487ca9411f4cac89c758ef252b.zip	4,639,098,223
		15.3	19D50		626e711e6212d649ba53e4f800153a2b833797aa.zip	4,660,473,709
		15.3.1	19D52
		15.4	19E241
		15.4.1	19E258
		15.5	19F77		3042ee123efdfbb8d607a88c125a05ea115f3304.zip	4,610,764,504
		15.6	19G71
		15.6.1	19G82
		15.7	19H12		285b699af58438cbddd5dea6aa1fcc1faaa539b3.zip	4,611,116,032
		15.7.1	19H117
		15.7.2	19H218
		16.0	20A362		24ef6447d88a52502147ed9d298330f41ad04695.zip	3,958,682,977
		16.0.2	20A380
		16.0.3	20A392
		16.1	20B82		293c8e217540b74c310a56f5a300e154b8f052d5.zip	3,921,907,060
		16.1.1	20B101
		16.1.2	20B110
		16.2	20C65		57416cacf4485df866978087852ed25e9c2ba1a6.zip	3,951,058,610
		16.3	20D47
		16.3.1	20D67
		16.4	20E247		705ca1733969752c5e7570023e9d2ce47cb766e4.zip	3,488,144,785
		16.4.1	20E252		705ca1733969752c5e7570023e9d2ce47cb766e4.zip	3,488,144,785
		16.5	20F66		a1857d1e89c252cdb68f42e89e852df5d1f47810.zip	3,468,445,953
		16.5.1	20F75		a1857d1e89c252cdb68f42e89e852df5d1f47810.zip	3,468,445,953
		16.6	20G75		7487f0a2a27d78dd0275692d276edd8668ed2af3.zip	3,875,740,391
		16.6.1	20G81
		16.7	20H19
		16.7.1	20H30
		16.7.2	20H115		cb7947b836d0cba1c20dfa1c8a4f0ed6bfb7d744.zip	3,248,547,056
		17.0	21A329		73929e8466bb78fc80d43bf5878d44ac9bf1d1d1.zip	1,469,721,199
		17.0.1	21A340		ed08fbce4c9a1456c563fdf1fe8ea2ade02eb446.zip	1,295,589,865
		17.0.2	21A351		ed08fbce4c9a1456c563fdf1fe8ea2ade02eb446.zip	1,295,589,865
		17.0.3	21A360		73929e8466bb78fc80d43bf5878d44ac9bf1d1d1.zip	1,469,721,199
		17.1	21B74		917aecddf1dcca640879c80b8a7566f5528da200.zip	1,300,551,352
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		9e8a6923f2aec7989d751ae437db360442c87679.zip	224,564,689

iPhone 13 Pro

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	2bb51bcccf98ce1703af0a1e363885be12d7c4b2.zip	6,188,588,600
	21C66	—			2bb51bcccf98ce1703af0a1e363885be12d7c4b2.zip	6,188,588,600
		15.0	19A341		ed1ed4a9e98d87f33ad5f8970942552b71cf24c5.zip	4,775,619,228
			19A345
			19A346
		15.0.1	19A348
		15.0.2	19A404
		15.1	19B74		e1b97091c7f88ec592898eeffc654dde2d710e3d.zip	4,716,774,945
		15.1.1	19B81		e1b97091c7f88ec592898eeffc654dde2d710e3d.zip	4,716,774,945
		15.2	19C57		9462941c7187a64c565a78e24c50184101c8d578.zip	4,716,870,017
		15.2.1	19C63		9462941c7187a64c565a78e24c50184101c8d578.zip	4,716,870,017
		15.3	19D50		4ce5fb7b1f284207b7d3fee6d6f6f613013affac.zip	4,742,529,595
		15.3.1	19D52
		15.4	19E241
		15.4.1	19E258
		15.5	19F77		bf214c63e5e9c2d51ef1c6599b64b613af680fb7.zip	4,697,629,006
		15.6	19G71
		15.6.1	19G82
		15.7	19H12		eddedfb6593db43196815211ad0b079f0063c8eb.zip	4,690,642,861
		15.7.1	19H117
		15.7.2	19H218
		16.0	20A362		98456d858fe5afaf2486627f23acb04aca8e9940.zip	4,038,453,158
		16.0.2	20A380
		16.0.3	20A392
		16.1	20B82		89c6515466f34721bc8127ac8d04c6e154ca89b2.zip	3,977,229,455
		16.1.1	20B101
		16.1.2	20B110
		16.2	20C65		fb2975ffb9e61f8a50f191ffb2c989133484c2cf.zip	3,978,987,870
		16.3	20D47
		16.3.1	20D67
		16.4	20E247		161b98f7ebba4a8f99aecacc17cf63c7ffce03c4.zip	3,515,972,422
		16.4.1	20E252		161b98f7ebba4a8f99aecacc17cf63c7ffce03c4.zip	3,515,972,422
		16.5	20F66		99d02f2cdd0c264a35a50a4a099b97f06768c271.zip	3,501,914,961
		16.5.1	20F75		99d02f2cdd0c264a35a50a4a099b97f06768c271.zip	3,501,914,961
		16.6	20G75		28787df417568d1ccfc4b07beb9765bd579f4336.zip	3,910,840,905
		16.6.1	20G81
		16.7	20H19
		16.7.1	20H30
		16.7.2	20H115		aaad1b9ac36f1f9c42b6e7e069af2438b6a4eaed.zip	3,276,477,571
		17.0	21A329		8967ffbf4d2675bd5a90b1619fa4f66cc9b569e4.zip	1,469,558,113
		17.0.1	21A340		b3b58c9a40723c5fb1268a62f07854da5fe847a4.zip	1,297,803,046
		17.0.2	21A351		b3b58c9a40723c5fb1268a62f07854da5fe847a4.zip	1,297,803,046
		17.0.3	21A360		8967ffbf4d2675bd5a90b1619fa4f66cc9b569e4.zip	1,469,558,113
		17.1	21B74		b0cdaa2b1bfe55ab2583357458dda5eb571e4634.zip	1,302,717,085
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		54ffc242445dcf5a032cd1a0965a258063fb77d3.zip	224,193,091

iPhone 13 Pro Max

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	79809c332dc74a09fc40ed3d109e5300543d86d5.zip	6,189,114,525
	21C66	—			79809c332dc74a09fc40ed3d109e5300543d86d5.zip	6,189,114,525
		15.0	19A341		ceada7a5fef883bcdd9eea176fb0cdca75e40502.zip	4,775,719,983
			19A345
			19A346
		15.0.1	19A348
		15.0.2	19A404
		15.1	19B74		d9bd3f0ca414a1a86271874c450de3e1a5cbc095.zip	4,717,081,707
		15.1.1	19B81		d9bd3f0ca414a1a86271874c450de3e1a5cbc095.zip	4,717,081,707
		15.2	19C57		1112aa1bb0da6f679cdc037ae76c944cedb4282d.zip	4,717,176,171
		15.2.1	19C63		1112aa1bb0da6f679cdc037ae76c944cedb4282d.zip	4,717,176,171
		15.3	19D50		c42c79587778f0bb6c7d6a6bc4c97db13a1e3c7a.zip	4,742,963,555
		15.3.1	19D52
		15.4	19E241
		15.4.1	19E258
		15.5	19F77		c26a92b0594f7b2f993ef518217f052356f1b182.zip	4,697,896,460
		15.6	19G71
		15.6.1	19G82
		15.7	19H12		a36c44a7bdb183a9e92b514056dfda14b7e232c9.zip	4,690,848,277
		15.7.1	19H117
		15.7.2	19H218
		16.0	20A362		97fe988b1a840a45faa1cf4d422989a38767d11b.zip	4,015,121,269
		16.0.2	20A380
		16.0.3	20A392
		16.1	20B82		5c5f3685951b49a4bf85e8b3fbb6f781ad1eb5a4.zip	3,973,416,994
		16.1.1	20B101
		16.1.2	20B110
		16.2	20C65		857071e7f880437664a82147731157d348ac71d5.zip	3,977,503,410
		16.3	20D47
		16.3.1	20D67
		16.4	20E247		369ec5a80048721c7bd3067c35a08c3147d2d91d.zip	3,517,739,945
		16.4.1	20E252		369ec5a80048721c7bd3067c35a08c3147d2d91d.zip	3,517,739,945
		16.5	20F66		9c53d88fb676968e3df357978ea7963e85202f61.zip	3,501,373,821
		16.5.1	20F75		9c53d88fb676968e3df357978ea7963e85202f61.zip	3,501,373,821
		16.6	20G75		e10801eab8e8d238ac59e3f852520bb617a23275.zip	3,906,655,085
		16.6.1	20G81
		16.7	20H19
		16.7.1	20H30
		16.7.2	20H115		2d4bc152ff25d0e59d03d4ce8def5189a66d240c.zip	3,276,494,052
		17.0	21A329		67107b25c5f9896bd2990dee39ce49f396d2688e.zip	1,470,085,406
		17.0.1	21A340		bddc28cd09056f388352fbed5db6203e8a5eaaa0.zip	1,296,226,883
		17.0.2	21A351		bddc28cd09056f388352fbed5db6203e8a5eaaa0.zip	1,296,226,883
		17.0.3	21A360		67107b25c5f9896bd2990dee39ce49f396d2688e.zip	1,470,085,406
		17.1	21B74		80466dc106bd69cf8075dbb75ac49cd5c450c760.zip	1,302,196,848
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		a3b404b9bb04851e6ec6b3d7aa9cd4f66e30bd89.zip	224,192,991

iPhone SE (3rd generation)

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	d62b41ca924b40b0955443518aabda62f4ba338a.zip	5,868,138,927
	21C66	—			d62b41ca924b40b0955443518aabda62f4ba338a.zip	5,868,138,927
		15.4	19E241		608e46cf49a6c43e49f5909424905298183b9127.zip	4,451,215,170
		15.4.1	19E258		608e46cf49a6c43e49f5909424905298183b9127.zip	4,451,215,170
		15.5	19F77		ec08be79e6484efc631f57b00c892dfaad2dd13d.zip	4,456,862,702
		15.6	19G71
		15.6.1	19G82
		15.7	19H12		7c698452ed2f68e2416968132967972d50d84831.zip	4,455,465,574
		15.7.1	19H117
		15.7.2	19H218
		16.0	20A362		e4334dba04247f23976707686f798c0b86f7268f.zip	3,858,654,074
		16.0.2	20A380
		16.0.3	20A392
		16.1	20B82		3b70577884415db55f137c5524c348f4082f2191.zip	3,800,788,467
		16.1.1	20B101
		16.1.2	20B110
		16.2	20C65		b1b4c956d7331c6a935ef1d4c97e338c9f6d3a15.zip	3,832,512,003
		16.3	20D47
		16.3.1	20D67
		16.4	20E247		deb6a005e3de3c4cd3f576f2f704a787c9b3b0bd.zip	3,368,747,632
		16.4.1	20E252		deb6a005e3de3c4cd3f576f2f704a787c9b3b0bd.zip	3,368,747,632
		16.5	20F66		61de8d1ef13e69ba8358932e6a72c42003749289.zip	3,345,974,406
		16.5.1	20F75		61de8d1ef13e69ba8358932e6a72c42003749289.zip	3,345,974,406
		16.6	20G75		665b0ca5bdf956ca388a0967d2d73f04c89c1a6c.zip	3,759,752,918
		16.6.1	20G81
		16.7	20H19
		16.7.1	20H30
		16.7.2	20H115		1dbd0ff4e0c310615713575554632fe0934a2f34.zip	3,127,395,767
		17.0	21A329		99e3b801996cd94e07c0a65f994bd7d96047f113.zip	1,388,709,478
		17.0.1	21A340		9a4df52b2423a5a23aeef1e388596b80097171e0.zip	1,216,061,905
		17.0.2	21A351		9a4df52b2423a5a23aeef1e388596b80097171e0.zip	1,216,061,905
		17.0.3	21A360		99e3b801996cd94e07c0a65f994bd7d96047f113.zip	1,388,709,478
		17.1	21B74		8eee8e1dd8b9be7766a73d0c0477a9d0ad4940bd.zip	1,222,589,371
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		e4e112e84405560893e6849911566e91cf86d63b.zip	182,932,550

iPhone 14

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	0f74958319f0667dba9f3e34cdf4ba11bbeaa569.zip	6,118,071,592
	21C66	—			0f74958319f0667dba9f3e34cdf4ba11bbeaa569.zip	6,118,071,592
		16.0	20A357		ef423700876e7aff144cc04745582b1390684209.zip	4,375,417,181
		16.0	20A362
		16.0.1	20A371
		16.0.2	20A380
		16.0.3	20A392
		16.1	20B82		2d3ba605f536770d602b0366baea959803117d24.zip	3,974,023,176
		16.1.1	20B101
		16.1.2	20B110
		16.2	20C65		b756407a9a1106a4b75edc9a53dbd90936bb4875.zip	4,167,252,497
		16.3	20D47
		16.3	20D50
		16.3.1	20D67
		16.4	20E247		376d9212a38d44f1335fe4a9931dfcd0f56625b3.zip	3,538,751,468
		16.4.1	20E252		376d9212a38d44f1335fe4a9931dfcd0f56625b3.zip	3,538,751,468
		16.5	20F66		ae72a71140261057bbcc6f8f3aa1c177f00d72bc.zip	3,524,104,073
		16.5.1	20F75		ae72a71140261057bbcc6f8f3aa1c177f00d72bc.zip	3,524,104,073
		16.6	20G75		a673919a96a496e750838ad9bb95e874b154286c.zip	3,930,820,568
		16.6.1	20G81
		16.7	20H19
		16.7.1	20H30
		16.7.2	20H115		5d17ae07ad30a04fb1af1df34eba735b73fa93ca.zip	3,302,000,167
		17.0	21A329		8548baad0d442d23a083232b711bf8a6b2238e60.zip	1,510,400,371
		17.0.1	21A340		e5399e58ca12d1e79cbe13f6e9454e5cedd5df91.zip	1,339,006,989
		17.0.2	21A351		e5399e58ca12d1e79cbe13f6e9454e5cedd5df91.zip	1,339,006,989
		17.0.3	21A360		8548baad0d442d23a083232b711bf8a6b2238e60.zip	1,510,400,371
		17.1	21B74		615436384572ded7396a1179e8bae720e408bffd.zip	1,341,279,976
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		539aa10c889996eced539a71d4ed5b8b3be9fadd.zip	245,059,917

iPhone 14 Plus

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	cb2ca0d02f54095f3cb258cba3960e2e4d3c5076.zip	6,120,882,002
	21C66	—			cb2ca0d02f54095f3cb258cba3960e2e4d3c5076.zip	6,120,882,002
		16.0	20A357		d42f8904bb0cc69a0b154f4e83df33bc8c1e652a.zip	4,405,784,330
		16.0	20A362
		16.0.1	20A371
		16.0.2	20A380
		16.0.3	20A392
		16.1	20B82		8e6611ba5cfe57321da4ec4ddd94972a6a7763a5.zip	3,976,985,841
		16.1.1	20B101
		16.1.2	20B110
		16.2	20C65		ffb98b66f16c4b88577b15fce5c27c776fe8ca61.zip	4,190,604,847
		16.3	20D47
		16.3	20D50
		16.3.1	20D67
		16.4	20E247		39bf730138b99f51272f797397a8c1430b16a713.zip	3,539,207,357
		16.4.1	20E252		39bf730138b99f51272f797397a8c1430b16a713.zip	3,539,207,357
		16.5	20F66		b14e4f728e99ab0882989951d8948384b78f5b20.zip	3,526,149,348
		16.5.1	20F75		b14e4f728e99ab0882989951d8948384b78f5b20.zip	3,526,149,348
		16.6	20G75		ec7369b7500f9d17b6e35b3f0eed458a9dab2723.zip	3,928,005,724
		16.6.1	20G81
		16.7	20H19
		16.7.1	20H30
		16.7.2	20H115		1056dc63fc42fd6b69ad61110a9d5e1f53b3e45e.zip	3,301,819,278
		17.0	21A329		a1fce8749f35616943a67ca3de30a9728028a0e7.zip	1,509,615,584
		17.0.1	21A340		61694269f0734ac57987ebe69c6fc4cf8396b9f6.zip	1,338,250,897
		17.0.2	21A351		61694269f0734ac57987ebe69c6fc4cf8396b9f6.zip	1,338,250,897
		17.0.3	21A360		a1fce8749f35616943a67ca3de30a9728028a0e7.zip	1,509,615,584
		17.1	21B74		66b0ab75730943d37fd44b5afd89b317d030e985.zip	1,340,775,795
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		15aef7db3a0e9e29fe7cf6c4fcad130316ba4946.zip	244,126,261

iPhone 14 Pro

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	86d048057007f3b304656a452d5e2cd7ea2871a3.zip	6,265,877,543
	21C66	—			86d048057007f3b304656a452d5e2cd7ea2871a3.zip	6,265,877,543
		16.0	20A357		48958f63da3fe7b254970f55b17fa2c0d34404d9.zip	4,473,052,940
		16.0	20A362
		16.0.1	20A371
		16.0.2	20A380
		16.0.3	20A392
		16.1	20B82		b87f441dae0d6e15fa73db868cfd8aa5605bf4ee.zip	4,092,797,688
		16.1.1	20B101
		16.1.2	20B110
		16.2	20C65		8446c7674ede290684a1b337665630f6d45b7f54.zip	4,089,995,653
		16.3	20D47
		16.3.1	20D67
		16.4	20E247		7d266f6b19fb9d192387ea0c8cb0d9ebae1f1cdb.zip	3,627,292,467
		16.4.1	20E252		7d266f6b19fb9d192387ea0c8cb0d9ebae1f1cdb.zip	3,627,292,467
		16.5	20F66		a548f0232a530b876ab11dc484c5c35ea0bfec27.zip	3,616,834,394
		16.5.1	20F75		a548f0232a530b876ab11dc484c5c35ea0bfec27.zip	3,616,834,394
		16.6	20G75		c447f9c527ec7f4ae1254c5be544b08f5fc31f6f.zip	4,021,004,784
		16.6.1	20G81
		16.7	20H19
		16.7.1	20H30
		16.7.2	20H115		aaa360093de11c10d851c78808f520e226038ded.zip	3,393,413,463
		17.0	21A329		cfa35fc51b657e5427a28784154e7e46829f131f.zip	1,539,038,304
		17.0.1	21A340		f339b85c5de700fac41592978cb5ecdb4f80a7bb.zip	1,367,216,685
		17.0.2	21A351		f339b85c5de700fac41592978cb5ecdb4f80a7bb.zip	1,367,216,685
		17.0.3	21A360		cfa35fc51b657e5427a28784154e7e46829f131f.zip	1,539,038,304
		17.1	21B74		aaa8892da8c79308aa8d56a39fef4730c4c49d7e.zip	1,363,323,109
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		b16e3e931250dd188c2a5529c3a334d9ee231db1.zip	267,538,195

iPhone 14 Pro Max

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	b83c64a79005e9094f8bbe0127f964b8ae4832dd.zip	6,242,000,805
	21C66	—			b83c64a79005e9094f8bbe0127f964b8ae4832dd.zip	6,242,000,805
		16.0	20A357		243ae05a9baea10d467e0d6083f863b034d183de.zip	4,450,685,086
		16.0	20A362
		16.0.1	20A371
		16.0.2	20A380
		16.0.3	20A392
		16.1	20B82		9bada76eeb37eef2efa2cb62a116a20b77f50d3b.zip	4,053,803,768
		16.1.1	20B101
		16.1.2	20B110
		16.2	20C65		b02e2fcac9eeabe896a483c3bd7ef3da89c37ef0.zip	4,079,161,949
		16.3	20D47
		16.3.1	20D67
		16.4	20E247		2feec474d46a6d16405ae617e652d7962d54350e.zip	3,614,590,805
		16.4.1	20E252		2feec474d46a6d16405ae617e652d7962d54350e.zip	3,614,590,805
		16.5	20F66		e6fe1be85f7d18c97807fb9f6d40958a20967a56.zip	3,590,325,794
		16.5.1	20F75		e6fe1be85f7d18c97807fb9f6d40958a20967a56.zip	3,590,325,794
		16.6	20G75		d74b177c1b881f95d45ba77f7cf1dad942a924c6.zip	4,010,242,472
		16.6.1	20G81
		16.7	20H19
		16.7.1	20H30
		16.7.2	20H115		32d648e3a3b61ade3391534ef02bfad4724c3710.zip	3,367,417,491
		17.0	21A329		6e86e6fc6cce56cce224b3baba57d7b95d3ff47d.zip	1,516,788,408
		17.0.1	21A340		36979e8df09f202bf51c1d5693a271e3d07ab4fc.zip	1,343,099,047
		17.0.2	21A351		36979e8df09f202bf51c1d5693a271e3d07ab4fc.zip	1,343,099,047
		17.0.3	21A360		6e86e6fc6cce56cce224b3baba57d7b95d3ff47d.zip	1,516,788,408
		17.1	21B74		f0940a3410fad423e46beb6c971a92939e6d8bb1.zip	1,342,687,372
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		5893e5611f4b65de7ce77e5dd44b69fecf087665.zip	245,617,765

iPhone 15

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	7a23d471850c7336a70e4f84c60b029b36c7b35e.zip	6,234,980,680
	21C66	—			7a23d471850c7336a70e4f84c60b029b36c7b35e.zip	6,234,980,680
		17.0	21A326		1f5040515bf4173ad014ab0882d8758fd1200678.zip	1,664,223,808
		17.0	21A327		1f5040515bf4173ad014ab0882d8758fd1200678.zip	1,664,223,808
		17.0.2	21A350		626af656dd12bc276dedaf3858f97c441f054f9f.zip	1,494,505,647
		17.0.3	21A360		1f5040515bf4173ad014ab0882d8758fd1200678.zip	1,664,223,808
		17.1	21B80		632fc440cc65252ce680911124d272c0d2cb9072.zip	1,483,186,681
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		602acba9cb45a31ca9bb69a25b9f76c5d0043eb3.zip	239,186,806

iPhone 15 Plus

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	6040257e0d7d60808c28bed28bb234aaa5832227.zip	6,234,860,243
	21C66	—			6040257e0d7d60808c28bed28bb234aaa5832227.zip	6,234,860,243
		17.0	21A326		258713dfa2d3d8ad667bdb0772368e70eba343b3.zip	1,664,853,344
		17.0	21A327		258713dfa2d3d8ad667bdb0772368e70eba343b3.zip	1,664,853,344
		17.0.2	21A350		c23dc58238cd9d42eb001072ff8c3eeacdcbd7ca.zip	1,495,522,977
		17.0.3	21A360		258713dfa2d3d8ad667bdb0772368e70eba343b3.zip	1,664,853,344
		17.1	21B80		50c21d18e55852cf4784bbf5dc07ec2fd8f8afbe.zip	1,482,564,989
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		238cf8541272e5a6764b9642b7d1fce13f0f8b19.zip	239,330,482

iPhone 15 Pro

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	3286182ee1728b6de1c0d262e7f5cc87e4f32bb6.zip	6,386,685,725
	21C66	—			3286182ee1728b6de1c0d262e7f5cc87e4f32bb6.zip	6,386,685,725
		17.0	21A326		cae051b3ca701702d9351d6fc9296f367de63907.zip	1,700,563,397
		17.0	21A327		cae051b3ca701702d9351d6fc9296f367de63907.zip	1,700,563,397
		17.0.2	21A350		de09033fc28a42e37fd1de9a04ad6f62ba49b27e.zip	1,529,885,331
		17.0.3	21A360		cae051b3ca701702d9351d6fc9296f367de63907.zip	1,700,563,397
		17.1	21B80		4f14e3ddb0807160ea9e6265b24d5c5b82f69ab0.zip	1,487,335,176
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		cf14ae08bbec36e635f8b9efb7fe01e30f6cc9cf.zip	240,605,414

iPhone 15 Pro Max

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
17.2.1	21C66^[1]	—		19 December 2023	46f76e2dd3e2338cf764dbb5c53af024ec516d1d.zip	6,387,850,348
	21C66	—			46f76e2dd3e2338cf764dbb5c53af024ec516d1d.zip	6,387,850,348
		17.0	21A326		f86509f3d7fcdb7da6e8989ffb2aadf3f73db7f8.zip	1,701,626,636
		17.0	21A327		f86509f3d7fcdb7da6e8989ffb2aadf3f73db7f8.zip	1,701,626,636
		17.0.2	21A350		9a1b1809b02f0ce1e0cb7c570de617383b91650f.zip	1,532,165,261
		17.0.3	21A360		f86509f3d7fcdb7da6e8989ffb2aadf3f73db7f8.zip	1,701,626,636
		17.1	21B80		aa1044f05bb9a051f2df891b0d7419809036ff13.zip	1,487,057,630
		17.1.1	21B91
		17.1.2	21B101
		17.2	21C62		38f6f66c363908c284306ef576b80c463840ba5c.zip	240,510,161

Notes

^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w ^x Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update.
(e.g. 21C66 was listed as 21C6066.) The listings on this page use the build number displayed on the device.

[inflated-1] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w ^x Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update.
(e.g. 21C66 was listed as 21C6066.) The listings on this page use the build number displayed on the device.

[1]