Download iPadOS 12.4.5 (16G161) 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 12.4.5
Release Date 2020-01-28
Update Date 2020-01-17
Sha1sum
8157c5f858722e58d8a2da7a9295c483a39ced9a
Sha256sum
b79c51c7ce84800e97e51c98093b469776a64b87b3ac48c414aeeaacce952e1e
md5sum
19b2d73d28560ef3177b356f5839a642
Size 2.75 GB
FileName
iPad_64bit_12.4.5_16G161_Restore.ipsw
Status

Download IPSW (2.75GB) Check device info
Release Notes

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

iOS 12.4.5 provides important security updates and is recommended for all users.

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

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