Download iPadOS 16.4 (20E246) for iPad Pro (12.9-inch) (6th generation)

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 iPad14,5
iPadOS Version 16.4
Release Date 2023-03-27
Update Date 2023-03-19
Sha1sum
523cfd672cdede737d4709bae3eafd83a833af3c
Sha256sum
47ef17ba467f10bca57ea3487c4315e592994c7790560a8750557e41e4132583
md5sum
4f438d0aee827e5bf371c40c8a6524f5
Size 5.95 GB
FileName
iPad14,3,iPad14,4,iPad14,5,iPad14,6_16.4_20E246_Restore.ipsw
Status

Download IPSW (5.95GB) 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