Download iPadOS 13.5.1 (17F80) for iPad Pro 4 (11-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 iPad8,9
iPadOS Version 13.5.1
Release Date 2020-06-01
Update Date 2020-05-28
Sha1sum
31a0cf7f1754a9fcbee6713246cb53bb08dde91a
Sha256sum
3d0698ee7407a7c1cacd5da6fc660fcac161c84df0b941fa4336a70eb043abe4
md5sum
00a13ff3fb4c55d09b860a76b19c5f61
Size 3.93 GB
FileName
iPad_Spring_2020_13.5.1_17F80_Restore.ipsw
Status

Download IPSW (3.93GB) 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