Download iPadOS 13.5.1 (17F80) 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 13.5.1
Release Date 2020-06-01
Update Date 2020-05-28
Sha1sum
77f7f8cc44cfbca8c66be25a7a6a36a8616bc609
Sha256sum
dbcabc4a1f61100ee82ea0d1d1010826bbdddf3a6981777f0557e90f1999d991
md5sum
c00c9921652c7e1cb108661f147c63a9
Size 3.47 GB
FileName
iPadPro_9.7_13.5.1_17F80_Restore.ipsw
Status

Download IPSW (3.47GB) 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