Download iPadOS 13.5.1 (17F80) for iPad mini 4 (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 iPad5,1
iPadOS Version 13.5.1
Release Date 2020-06-01
Update Date 2020-05-28
Sha1sum
6ed04651d891295ac704cfb0fd86ccb91895b592
Sha256sum
8b183643f84e1a24089e5b751e76fb5f5a501e41c4dd7eee850125a48b6cc86f
md5sum
6e16c7198b42c0ad4cdf9126e35da077
Size 3.43 GB
FileName
iPad_64bit_TouchID_13.5.1_17F80_Restore.ipsw
Status

Download IPSW (3.43GB) 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