Download iPadOS 15.2.1 (19C63) for iPad Air 2 (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 iPad5,4
iPadOS Version 15.2.1
Release Date 2022-01-12
Update Date 2024-06-03
Sha1sum
380c0098eab31d8ef001268d77d4a47f4639798b
Sha256sum
a0c272535b32fc4fd9785bc0a50833151c2c79fed58b278314f31dbe3d11831b
md5sum
abee5a156b364ad06fd01cc36b7d64db
Size 4.78 GB
FileName
iPad_64bit_TouchID_15.2.1_19C63_Restore.ipsw
Status

Download IPSW (4.78GB) Check device info
Release Notes

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

iPadOS 15.2.1 contains bug fixes for your iPad including the following:

For information on the security content of Apple software updates, please visit this website:

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