Download iPadOS 15.2.1 (19C63) for iPad Pro 12.9-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 iPad6,8
iPadOS Version 15.2.1
Release Date 2022-01-12
Update Date 2024-06-03
Sha1sum
559928bc021d3b1b17baf0434f646b9237ae8e89
Sha256sum
ff3f93beeaf795cb39ca88ae0fc84693c97a45e28cbe08dfa3ab1d5627420faf
md5sum
7b0aa9d9856352a0459e26ddf11da3ee
Size 4.98 GB
FileName
iPadPro_12.9_15.2.1_19C63_Restore.ipsw
Status

Download IPSW (4.98GB) Check device info
Release Notes

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

iPadOS 15.2.1 contains bug fixes for your iPad including the following:

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

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