Download iPadOS 13.3.1 (17D50) for iPad Pro 3 (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 iPad8,7
iPadOS Version 13.3.1
Release Date 2020-01-28
Update Date 2024-06-03
Sha1sum
170a6bd7851cc236fbea5f6d892af12d7afa2a32
Sha256sum
d377c5bd375cab6968f54bbf06a4925fe4d791883a066c865faea4e4a2a6df62
md5sum
a136f40cd7f87d12630f2d5bba1f1e4f
Size 4.04 GB
FileName
iPad_Fall_2018_13.3.1_17D50_Restore.ipsw
Status

Download IPSW (4.04GB) Check device info
Release Notes

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

iPadOS 13.3.1 includes bug fixes and improvements. This update:

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222