Download iPadOS 15.2 (19C56) for iPad Air 4 (Cellular)

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

❌ This IPSW firmware is not being Signed by Apple

Firmware Identifier iPad13,2
iPadOS Version 15.2
Release Date 2021-12-13
Update Date 2021-12-03
Sha1sum
0236f674d77fd8ab26ecbc1832d75adddee98a81
Sha256sum
ee4f3234f35f258f9857b599822b168d874aafacf49fe6bea1a39b8809a04560
md5sum
9611afc4ac2086d60b4d3c0b4163d8ab
Size 5.45 GB
FileName
iPad_Fall_2020_15.2_19C56_Restore.ipsw
Status

Download IPSW (5.45GB) Check device info
Release Notes

It should be noted that these are the official release notes for the from Apple

iPadOS 15.2 adds Apple Music Voice Plan, a new subscription tier that provides access to music using Siri. This update also includes the App Privacy Report, new safety features for children and parents in Messages, and other features and bug fixes for your iPad.

Apple Music Voice Plan

Privacy

Messages

Siri and Search

Apple ID

TV app

This release also includes the following enhancements for your iPad:

This release also includes bug fixes for your iPad:

Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222