Download iPadOS 13.5 (17F75) for iPad Pro 12.9-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 iPad6,7
iPadOS Version 13.5
Release Date 2020-05-20
Update Date 2020-05-14
Sha1sum
3b93d74818d31b46469d4a5ab6390aca43cfea5e
Sha256sum
224f19fd4156d255300d1f726314b5b71535a3a571d9845dae62271e03d39b51
md5sum
b19736bd458b3bef0acd44920fab8d83
Size 3.58 GB
FileName
iPadPro_12.9_13.5_17F75_Restore.ipsw
Status

Download IPSW (3.58GB) Check device info
Release Notes

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

iPadOS 13.5 speeds up access to the passcode field on devices with Face ID when you are wearing a face mask and introduces an option to control automatic prominence of video tiles on Group FaceTime calls. This update includes bug fixes and other improvements.

Face ID and Passcode

FaceTime

This update also includes bug fixes and other improvements.

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