OTA Updates/iPod touch/9.1

iPod touch (5th generation)

Users still on iOS 6.0 through 7.0.6 must update to 8.4.1 via OTA prior to installing OTA updates for iOS 9.0 or newer.

Users still on iOS 7.1 through 7.1.2 may update to iOS 9.0, but appear to be given a dummy update first.

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
9.1	13B143^[1]	—		21 October 2015	4b922134b2c219bc647b06e488665414040ad908.zip	1,172,772,340
	13B143	7.1	11D167		ed5876968dd21e849603de690141d69bf6c7e305.zip	1,021,434,831
		7.1.1	11D201		204f2922de02db0ef8e022f18b6c5b3e31f508af.zip	1,021,422,648
		7.1.2	11D257		369768b2196c947b1979e7c7b54180f824f61fe4.zip	1,021,494,292
		8.0	12A365		a4b9107c1d6e0de8c19838f755b0dbcb08c6d02e.zip	952,763,754
		8.0.1	12A402		70d0a9bddc337674c64a254d732ecc6c438b1317.zip	951,404,796
		8.0.2	12A405		62818997818b6608ee95115c0d00bb176472c43c.zip	951,408,315
		8.1	12B411		45946e901dbd161c3f66d8c9989d4fc8e369f902.zip	950,774,667
		8.1.1	12B435		70c7be8a0697aae8e1234bae5b54369a03f657b9.zip	947,853,832
		8.1.2	12B440		e6852b5db003abccb57b1f192ca04dafe156d535.zip	947,861,362
		8.1.3	12B466		79dde8f7789a2cfd471ba07f7cf9bb7cd392a3d5.zip	947,843,879
		8.2	12D508		d72bdb906001df6500f4df5bfe6eba39ba93148e.zip	904,619,959
		8.3	12F69		d42eb4caec82d56af1937effbacbc4c6be4d377f.zip	867,813,798
		8.4	12H143		c1dba7287219cebe96afca9d75334315eecdda21.zip	864,579,366
		8.4.1	12H321		812c32de2d4042c4cdbcbeecc130c102172c39ee.zip	864,470,245
		9.0 GM	13A340		84dcd774bfa3d8fefbc19a15fa7449a38f28d11f.zip	182,902,099
		9.0	13A344		cc93bb2b808051e51667f6fd418d44789d3a922c.zip	182,840,108
		9.0.1	13A404		1368ac80e049101c4c63514eb4741aa937b5283e.zip	182,714,338
		9.0.2	13A452		20164bdc41db3190095024b69cb23c027135fe98.zip	182,744,468
		9.1 beta 5	13B137		c8310bac83685e573a8602b551e05e909e03fddc.zip	20,339,977

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
9.1	13B143^[1]	—		21 October 2015	a4a98ba44de7b002397d5044e082ec0c4486a015.zip	1,335,829,330
	13B143	—			a4a98ba44de7b002397d5044e082ec0c4486a015.zip	1,335,829,330
		8.4	12H143		376bf450445282f74419b2a10f447fbf1f698398.zip	1,018,171,889
		8.4.1	12H321		a299e6081c859e54ea54c36f91c0bef203ddfe1c.zip	1,018,043,431
		9.0 GM	13A340		fa73683dfd063b5cc10782c644ca90f69d10b452.zip	221,776,551
		9.0	13A344		b23c0462c225b2472ca1ee2eff339d2d8f02f761.zip	221,881,366
		9.0.1	13A404		6dc713c9a2ecf3be76a5499d0acac3fc258d4d73.zip	221,946,003
		9.0.2	13A452		5eb9f495037ed23233963c65220ce557630d9bd5.zip	221,629,110
		9.1 beta 5	13B137		5463bb613a5335822630ab04ddc9ff0d97fe66ed.zip	27,686,815

^ ^a ^b Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update. (e.g. 13A344 was listed as 13A4344.) The listings on this page use the build number displayed on the device.