Download iPadOS 9.3.1 (13E238) for iPad Air (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 iPad4,1
iPadOS Version 9.3.1
Release Date 2016-03-31
Update Date 2016-03-30
Sha1sum
e2cfc952a560176f45c181ac88e3b4bbb2f844dc
Sha256sum
3d65532efd571396f9e926d3801cc2f39ff866cc292fe23e2e290fe8500e34c6
md5sum
e6a6a31d964ca05329670b572dd8271a
Size 1.83 GB
FileName
iPad4,1_9.3.1_13E238_Restore.ipsw
Status

Download IPSW (1.83GB) 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