Download iPadOS 13.5.1 (17F80) for iPad Pro 4 (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 iPad8,12
iPadOS Version 13.5.1
Release Date 2020-06-01
Update Date 2020-05-28
Sha1sum
3db5a63b7c947217d4672de9ac0fcd2a5a1e1221
Sha256sum
b63f10b6402d1620605899125566ffa63633ad129e2da03f9d09148b234d41fd
md5sum
7d50e23b1def006b97d1abf0f132ec64
Size 4.01 GB
FileName
iPad8,11,iPad8,12_13.5.1_17F80_Restore.ipsw
Status

Download IPSW (4.01GB) Check device info
Release Notes

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

iPadOS 13.5.1 provides important security updates and is recommended for all users.

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