Download iPadOS 12.5.1 (16H22) for iPad Air (China)

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 iPad4,3
iPadOS Version 12.5.1
Release Date 2021-01-11
Update Date 2024-06-03
Sha1sum
bc1ceac9a19f5e0c32f6dc0ec82068a42dfa2044
Sha256sum
e8f608635d1e6f5c11b04aa7cfd7d49ba637269c7008c09eaf59d94f6adb2c3e
md5sum
6ed15c96c657238a69d1e43b191506b7
Size 2.76 GB
FileName
iPad_64bit_12.5.1_16H22_Restore.ipsw
Status

Download IPSW (2.76GB) Check device info
Release Notes

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

This update fixes an issue where Exposure Notifications could incorrectly display logging profile language.

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

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