OTA Updates/HomePod/12.1

HomePod

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
12.1	16B92^[1]	—		30 October 2018	99edb9dbe8d445f634e8ec82a1acb89b7823e264.zip	3,053,816,989
	16B92	—			99edb9dbe8d445f634e8ec82a1acb89b7823e264.zip	3,053,816,989
		11.2.5 beta 3	15D59		4fe6ce9a0d54933dc36b0f6a5096e0e2b2eda743.zip	2,696,121,787
		11.2.5	15D61		4fe6ce9a0d54933dc36b0f6a5096e0e2b2eda743.zip	2,696,121,787
		11.3	15E217		f988289f965e45b503743fd64f9e379c7f0007b7.zip	1,499,756,611
		11.4	15F80		845938821e608a8ed0388b4cb1c57cc10dcd636c.zip	1,498,013,471
		11.4.1	15G77		a2985f0896fc9ab1c61c1fb59982295cfe6f082f.zip	1,497,910,260
		12.0	16A366		c12b4f0daace793cf0b48bc92fdcb92fb92be8e6.zip	142,443,999

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
12.1	16B92^[1]	—		30 October 2018	fa9c25a5823729f4970cfbd57b228817f1c0c3f6.zip	3,053,833,357
	16B92	—			fa9c25a5823729f4970cfbd57b228817f1c0c3f6.zip	3,053,833,357
		11.3	15E217		9af9b4e1fcbd29b7a090288195100710f6e32625.zip	1,499,773,021
		11.4	15F80		e728a4fc7483e68c73dc9c1b6b4b4c4d842e42fe.zip	1,498,029,470
		11.4.1	15G77		c1e9c376fc1ff6b365f808e2430c19d0778c29bd.zip	1,497,926,801
		12.0	16A366		a25ad373c02d153e53509c9ef55289a330c8c974.zip	142,460,665

^ ^a ^b Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update. (e.g. 16B92 was listed as 16B6092.) The listings on this page use the build number displayed on the device.