Download iPadOS 10.3.1 (14E304) 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 10.3.1
Release Date 2017-04-03
Update Date 2017-04-01
Sha1sum
ce6ce29c4b9247f5126dfd1f177128cb75259e8f
Sha256sum
c27662cd3950ab772f6e946e6d652ac344253b4a9753e69d5e4e6b8ea5eb04fb
md5sum
52e82fdeaeb79bcee382348f39d90976
Size 2.26 GB
FileName
iPadPro_9.7_10.3.1_14E304_Restore.ipsw
Status

Download IPSW (2.26GB) Check device info
Release Notes

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

iOS 10.3.1 includes bug fixes and improves the security of your iPhone or iPad.

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

https://support.apple.com/HT201222