Download iPadOS 16.3.1 (20D67) 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 16.3.1
Release Date 2023-02-13
Update Date 2023-02-09
Sha1sum
2564caad77ebe15391b0ead79cdee281f33730d9
Sha256sum
3e35fcdadd056ea967d35cab31e83f386ec6b4385e9357564e2d73fc0ad0d5a7
md5sum
51756ba57f850f262d54767f276f94e9
Size 5.45 GB
FileName
iPad_Fall_2020_16.3.1_20D67_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

This update provides important bug fixes and security updates for your iPad including:

For information on the security content of Apple software updates, please visit this website: https://support.apple.com/kb/HT201222