Download iPadOS 16.4 (20E246) for iPad Pro 9.7-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 iPad6,3
iPadOS Version 16.4
Release Date 2023-03-27
Update Date 2023-03-19
Sha1sum
7d3400bdde95330ec535ff35796c87147faa37af
Sha256sum
c5a01d2a84ec0f182aed162c711b93ec986315d8eee8b68c664c4d4f5d25e4db
md5sum
b0eb3fd2a281ec80a31f1cfb55cf2e25
Size 5.15 GB
FileName
iPadPro_9.7_16.4_20E246_Restore.ipsw
Status

Download IPSW (5.15GB) Check device info
Release Notes

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

This update includes the following enhancements and bug fixes:

Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit this website: https://support.apple.com/kb/HT201222