OTA Updates/iPad Air/15.1

iPad Air 2

iPad5,3

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	Release Type	OTA Download URL	File Size
15.1	19B74	N/A		25 October 2021	N/A	36504629687653e3c7af6d29c7a3d2963bade5f9.zip	4,000,062,016
		13.1	17A844		N/A	fb5cc15ef363742964065e6b86422a84be1d5888.zip	3,249,807,870
		13.1.1	17A854		N/A
		13.1.2	17A860		N/A
		13.1.3	17A878		N/A
		13.2	17B84		N/A	aba7f088a0b318fed6576bbee6c291fb5ad2f725.zip	3,175,988,810
		13.2.2	17B102		N/A
		13.2.3	17B111		N/A
		13.3	17C54		N/A	8ed7cd013f48099e2f49ea5b6962798205ce59cc.zip	3,177,813,689
		13.3.1	17D50		N/A
		13.4	17E255		N/A
		13.4.1	17E262		N/A
		13.5	17F75		N/A	0483de10ce41b6f2ae49c1fdb9fa11d0b6913ea3.zip	3,143,151,605
		13.5.1	17F80		N/A
		13.6	17G68		N/A	f95cf10402c9ce6b5a28f7c118542150c6739755.zip	3,149,971,252
		13.6.1	17G80		N/A
		13.7	17H35		N/A
		14.0	18A373		N/A	da4b0fdddaba7b089a8abb69326d2e0cbf1e7617.zip	2,532,075,402
		14.0.1	18A393		N/A
		14.1	18A8395		N/A
		14.2	18B92		N/A
		14.3	18C66		N/A	29471d1b95782f8e1c20797b9bdedea2c7fb3839.zip	2,372,135,429
		14.4	18D52		N/A
		14.4.1	18D61		N/A
		14.4.2	18D70		N/A
		14.5	18E199		N/A	4ea6aaf86a72d10e4324b51b7c82a1e72e744e28.zip	2,297,889,687
		14.5.1	18E212		N/A
		14.6	18F72		N/A
		14.7	18G69		N/A	149a7669f222c69e62fa1de3d357b8c732c91312.zip	2,273,609,440
		14.7.1	18G82		N/A
		14.8	18H17		N/A
		15.0	19A346		N/A	bf4bf3261d6d756dd81faa0f4f0888f97ac29692.zip	1,121,185,715
		15.0.1	19A348		N/A
		15.0.2	19A404		N/A

iPad5,4

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	Release Type	OTA Download URL	File Size
15.1	19B74	N/A		25 October 2021	N/A	36504629687653e3c7af6d29c7a3d2963bade5f9.zip	4,000,062,016
		13.1	17A844		N/A	3b25c3270aa595cf8aa890faf03b11218d4043c5.zip	3,276,065,547
		13.1.1	17A854		N/A
		13.1.2	17A860		N/A
		13.1.3	17A878		N/A
		13.2	17B84		N/A	ca3dc29ac2c7e66514a43c514d0eaa5972df6a61.zip	3,202,244,298
		13.2.2	17B102		N/A
		13.2.3	17B111		N/A
		13.3	17C54		N/A	4d5e2650721922210fc01c7b279041540efc6cef.zip	3,204,076,247
		13.3.1	17D50		N/A
		13.4	17E255		N/A
		13.4.1	17E262		N/A
		13.5	17F75		N/A	68a164219bb1e5c5f1e7e6dc573115374f68b554.zip	3,169,408,261
		13.5.1	17F80		N/A
		13.6	17G68		N/A	126d00d00c64e2f5364d0d728e880d76f6f2dbe4.zip	3,176,230,055
		13.6.1	17G80		N/A
		13.7	17H35		N/A
		14.0	18A373		N/A	4c940ca107a78b532424290ff903b2ab6a67dba4.zip	2,558,305,978
		14.0.1	18A393		N/A
		14.1	18A8395		N/A
		14.2	18B92		N/A
		14.3	18C66		N/A	27e62d618d172308cc047a94e13c77d6b8af0c8e.zip	2,398,397,376
		14.4	18D52		N/A
		14.4.1	18D61		N/A
		14.4.2	18D70		N/A
		14.5	18E199		N/A	38e3700f4be87c6cdafb78e04cf8bdc3b391240a.zip	2,324,147,897
		14.5.1	18E212		N/A
		14.6	18F72		N/A
		14.7	18G69		N/A	e99d9de8fb20911cb2488594f5a56e79ad9d0878.zip	2,299,873,605
		14.7.1	18G82		N/A
		14.8	18H17		N/A
		15.0	19A346		N/A	32f8c623ca55a99eee10834f6e77f2a6936ecccc.zip	1,147,447,052
		15.0.1	19A348		N/A
		15.0.2	19A404		N/A

iPad Air (3rd generation)

iPad11,3

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	Release Type	OTA Download URL	File Size
15.1	19B74	N/A		25 October 2021	N/A	7b4ad92bd60be0d94f4be866483958b0e08f63c4.zip	4,660,931,883
		13.1	17A844		N/A	58d40a2f00fe23c51c1fd8053f31b03e8b13f2aa.zip	3,884,112,360
		13.1.1	17A854		N/A
		13.1.2	17A860		N/A
		13.1.3	17A878		N/A
		13.2	17B84		N/A	c3617cbda6113e7f8e7a3dcb55f0694b60d0de86.zip	3,803,520,153
		13.2.2	17B102		N/A
		13.2.3	17B111		N/A
		13.3	17C54		N/A	a159c2660fc2b39a147bd2d67d7c47cb399b5eee.zip	3,802,233,337
		13.3.1	17D50		N/A
		13.4	17E255		N/A
		13.4.1	17E262		N/A
		13.5	17F75		N/A	6e4cadcbe1ce76b71ff636a31905e2ec51b1d524.zip	3,731,966,196
		13.5.1	17F80		N/A
		13.6	17G68		N/A	c2434a6f61b6087eb046f529307123604de2476e.zip	3,726,220,906
		13.6.1	17G80		N/A
		13.7	17H35		N/A
		14.0	18A373		N/A	0b7e1ebf72bbbde9ec9881093e054952a139e918.zip	3,032,325,148
		14.0.1	18A393		N/A
		14.1	18A8395		N/A
		14.2	18B92		N/A
		14.3	18C66		N/A	11df4b9a781fdf3c243a29d521c1c6faaea283bd.zip	2,766,903,502
		14.4	18D52		N/A
		14.4.1	18D61		N/A
		14.4.2	18D70		N/A
		14.5	18E199		N/A	63f3be12b763b5b9e24bac51068787677af1a349.zip	2,659,020,053
		14.5.1	18E212		N/A
		14.6	18F72		N/A
		14.7	18G69		N/A	5686df6b326380aeb3d05a77185aea47655ba376.zip	2,630,807,625
		14.7.1	18G82		N/A
		14.8	18H17		N/A
		15.0	19A346		N/A	1c78ce0f499f3ab56bafe5c398a4190d7ea9104d.zip	1,245,214,746
		15.0.1	19A348		N/A
		15.0.2	19A404		N/A

iPad11,4

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	Release Type	OTA Download URL	File Size
15.1	19B74	N/A		25 October 2021	N/A	7b4ad92bd60be0d94f4be866483958b0e08f63c4.zip	4,660,931,883
		13.1	17A844		N/A	7345cad689ced97ff88ee6010dbf407a7fa08cd4.zip	3,926,793,045
		13.1.1	17A854		N/A
		13.1.2	17A860		N/A
		13.1.3	17A878		N/A
		13.2	17B84		N/A	18bf989173a0252d7cf3d45c8f2739e62c7901dd.zip	3,846,199,976
		13.2.2	17B102		N/A
		13.2.3	17B111		N/A
		13.3	17C54		N/A	5e0ff8ce75be9b14ce371dbcfa7ac778209f6b63.zip	3,844,913,515
		13.3.1	17D50		N/A
		13.4	17E255		N/A
		13.4.1	17E262		N/A
		13.5	17F75		N/A	1a2cb91aee58f503f9e7dbc1c9b3101c1cfd105f.zip	3,774,649,942
		13.5.1	17F80		N/A
		13.6	17G68		N/A	deab807b9e6060276dafce8c9ba5e71d0b1e9c05.zip	3,768,900,721
		13.6.1	17G80		N/A
		13.7	17H35		N/A
		14.0	18A373		N/A	1e90999d36787a286824ffafa1c9995e43794de2.zip	3,075,006,379
		14.0.1	18A393		N/A
		14.1	18A8395		N/A
		14.2	18B92		N/A
		14.3	18C66		N/A	004d3eb23517bd205dd96c6322a2a027915b429c.zip	2,809,587,397
		14.4	18D52		N/A
		14.4.1	18D61		N/A
		14.4.2	18D70		N/A
		14.5	18E199		N/A	eb79b743ec94a96fcdd8e71ecb65c0221906edb4.zip	2,701,705,374
		14.5.1	18E212		N/A
		14.6	18F72		N/A
		14.7	18G69		N/A	bf7cccfb50cb0f965f2eab877d13e0809cbe99a5.zip	2,673,489,432
		14.7.1	18G82		N/A
		14.8	18H17		N/A
		15.0	19A346		N/A	ca3898c1b7f7ff14f14173fbe8e7f08d54b06647.zip	1,287,891,979
		15.0.1	19A348		N/A
		15.0.2	19A404		N/A

iPad Air (4th generation)

iPad13,1

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	Release Type	OTA Download URL	File Size
15.1	19B74	N/A		25 October 2021	N/A	37258779118a86538bedf86b0e60cee18c78b636.zip	4,549,729,661
		14.0	18A373		N/A	636261218c7cd70cdd46a36f54e583a20fe11b9b.zip	3,046,812,204
		14.0.1	18A393		N/A
		14.1	18A8395		N/A
		14.2	18B92		N/A
		14.3	18C66		N/A	5bf4f5772c3276fcf318c1964dbe234b2843cf65.zip	2,808,036,825
		14.4	18D52		N/A
		14.4.1	18D61		N/A
		14.4.2	18D70		N/A
		14.5	18E199		N/A	3a8f8310767d508c0f75426b37c1231a75db0de7.zip	2,726,634,054
		14.5.1	18E212		N/A
		14.6	18F72		N/A
		14.7	18G69		N/A	ef1023f5b8e1fceae8a6a15c7ade851e583b357f.zip	2,704,318,001
		14.7.1	18G82		N/A
		14.8	18H17		N/A
		15.0	19A346		N/A	34611af9e6e28956c25b0c06ae42c1ee729a5ba1.zip	1,203,429,913
		15.0.1	19A348		N/A
		15.0.2	19A404		N/A

iPad13,2

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	Release Type	OTA Download URL	File Size
15.1	19B74	N/A		25 October 2021	N/A	37258779118a86538bedf86b0e60cee18c78b636.zip	4,549,729,661
		14.0	18A373		N/A	721e5da9b5fb23b926438ef7254bc74ed319f69f.zip	3,094,125,981
		14.0.1	18A393		N/A
		14.1	18A8395		N/A
		14.2	18B92		N/A
		14.3	18C66		N/A	ef304727aa4e1822d00fc615e055932d63beb22e.zip	2,855,357,310
		14.4	18D52		N/A
		14.4.1	18D61		N/A
		14.4.2	18D70		N/A
		14.5	18E199		N/A	36ede5736f29fab16286f9daae66a306666b05eb.zip	2,773,950,566
		14.5.1	18E212		N/A
		14.6	18F72		N/A
		14.7	18G70		N/A	cd08cc1ca3ded27aefac19ce4531fc644f7e3fad.zip	2,760,895,003
		14.7.1	18G82		N/A
		14.8	18H17		N/A
		15.0	19A346		N/A	5e000dec77296e2a9dcfa687c6f0da69c04495d4.zip	1,250,742,875
		15.0.1	19A348		N/A
		15.0.2	19A404		N/A