Beta 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 beta 2	13B5119e	—		23 September 2015 (2015-09-23)	de4aafb193c52d22ed2d43b60a9c302eaa31eff4.zip	1,171,513,040
		9.1 beta	13B5110e		3819f18dbff90c4fedf8f67032bb1578cea0793e.zip	140,326,092
9.1 beta 3	13B5130b	—		30 September 2015 (2015-09-30)	c370e1b94552fa8ac41f0f75471779a0a0b6fd00.zip	1,171,961,625
		9.1 beta 2	13B5119e		a2a955b38ec09cb010d87813e8287dad5f1ed1b6.zip	154,450,520
9.1 beta 4	13B136	—		6 October 2015 (2015-10-06)	3ab0c906f51647e25c4e428e1be9aebc591c61d9.zip	1,172,663,780
9.1 beta 5	13B137	—		12 October 2015 (2015-10-12)	2a54e3c38b98a8bccd2713b2bafcca06689a6f8c.zip	1,172,601,820
		9.1 beta 4	13B136

iPod touch (6th generation)

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
9.1 beta 2	13B5119e	—		23 September 2015 (2015-09-23)	f78f722f1f30cf2179a0c8f5e8083ee22d133cd7.zip	1,336,217,746
		9.1 beta	13B5110e		cae2f00f423800fce636b6cc3f323252440dcad0.zip	177,595,576
9.1 beta 3	13B5130b	—		30 September 2015 (2015-09-30)	b55715cd60d3f039011db825d8a332f759fea2be.zip	1,334,820,322
		9.1 beta 2	13B5119e		68131aadc0e9f922f27b1b4c8f52dcc4f577bbd7.zip	184,487,156
9.1 beta 4	13B136	—		6 October 2015 (2015-10-06)	d58b63960a33ee5c0148142e730d16a4199018c4.zip	1,335,921,403
9.1 beta 5	13B137	—		12 October 2015 (2015-10-12)	c56f495374bd010290214512d218721e28161691.zip	1,335,911,023
		9.1 beta 4	13B136