Download iPadOS 9.2.1 (13D20) for iPad Air 2 (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 iPad5,3
iPadOS Version 9.2.1
Release Date 2016-02-18
Update Date 2016-02-16
Sha1sum
86215bd9fe85c798facdb9d8024f5ed9f213a0dd
Sha256sum
md5sum
fb2bd7305609624ea46001571a8b4055
Size 1.81 GB
FileName
iPad5,3_9.2.1_13D20_Restore.ipsw
Status

Download IPSW (1.81GB) Check device info
Release Notes

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

This update contains security updates and bug fixes including a fix for an issue that could prevent the completion of app installation when using an MDM server.

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

https://support.apple.com/HT201222