Download iPadOS 16.3.1 (20D67) for iPad Pro 9.7-inch (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 iPad6,4
iPadOS Version 16.3.1
Release Date 2023-02-13
Update Date 2024-06-03
Sha1sum
7dc8625389fd8d5a9935696f2298c245ede0dae4
Sha256sum
193f00ef8bfc150bb4c5b9b2a1517380cd9ef26a4945b2aac04f46e4ee8dec5c
md5sum
22eef24b91332a60bfc5f093b14f9495
Size 4.95 GB
FileName
iPadPro_9.7_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