OTA Updates/iPad Air/13.1.3

iPad Air 2

iPad5,3

Users still running older versions of iOS (up to 9.3.5) are now presented with a dummy update file, and are instructed to use iTunes to install software updates.

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
13.1.3	17A878^[1]	—		15 October 2019 (2019-10-15)	513f12e949ba055cb7bbef8274410bf6d26c26f1.zip	2,740,921,454
13.1.3	17A878	—		15 October 2019 (2019-10-15)	513f12e949ba055cb7bbef8274410bf6d26c26f1.zip	2,740,921,454

iPad5,4

Users still running older versions of iOS (up to 9.3.5) are now presented with a dummy update file, and are instructed to use iTunes to install software updates.

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
13.1.3	17A878^[1]	—		15 October 2019 (2019-10-15)	3099267e49a83665116727b3d1d2c51ec58653e6.zip	2,766,977,500
13.1.3	17A878	—		15 October 2019 (2019-10-15)	3099267e49a83665116727b3d1d2c51ec58653e6.zip	2,766,977,500

iPad Air (3rd generation)

iPad11,3

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
13.1.3	17A878^[1]	—		15 October 2019 (2019-10-15)	5ccaabc87245bd9b4084874fba2d2539fa721054.zip	3,099,081,930
13.1.3	17A878	—		15 October 2019 (2019-10-15)	5ccaabc87245bd9b4084874fba2d2539fa721054.zip	3,099,081,930

iPad11,4

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
13.1.3	17A878^[1]	—		15 October 2019 (2019-10-15)	f7fa5557ce8ad57a626ef01dc73ddcf464a41bba.zip	3,143,765,579
13.1.3	17A878	—		15 October 2019 (2019-10-15)	f7fa5557ce8ad57a626ef01dc73ddcf464a41bba.zip	3,143,765,579

Notes

^ ^a ^b ^c ^d Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update. (e.g. 17A878 was listed as 17A6878.) The listings on this page use the build number displayed on the device.

[inflated-1] Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update. (e.g. 17A878 was listed as 17A6878.) The listings on this page use the build number displayed on the device.

[1]