Download iPadOS 9.3.1 (13E238) for iPad 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 iPad3,4
iPadOS Version 9.3.1
Release Date 2016-03-31
Update Date 2016-03-30
Sha1sum
4990f8cd169b7d8d28f3b14071c8a79bec7609cb
Sha256sum
0214e5b72012937caecd326cfdf8c0668a9e4e1fdbe01dd7fcdbec3882dcf682
md5sum
31c1890d8a0cc177c9af4d88fe0e4105
Size 1.58 GB
FileName
iPad3,4_9.3.1_13E238_Restore.ipsw
Status

Download IPSW (1.58GB) Check device info
Release Notes

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

Fixes an issue that caused apps to be unresponsive after tapping on links in Safari and other apps

For information on the security content of this update, please visit this website:

http://support.apple.com/kb/HT1222