Download iPadOS 16.3.1 (20D67) for iPad Pro 12.9-inch (WiFi)

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 iPad6,7
iPadOS Version 16.3.1
Release Date 2023-02-13
Update Date 2023-02-09
Sha1sum
5b4acf1faecd2b80f778e1126744ce8aa0f2fcf3
Sha256sum
e43b3fb16333e1a900dd824372321e74331a730319d2baa99155bf53c01f9617
md5sum
002c5b40ca7832e5f3f28ade847ec123
Size 4.95 GB
FileName
iPadPro_12.9_16.3.1_20D67_Restore.ipsw
Status

Download IPSW (4.95GB) 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