Download iPadOS 9.2.1 (13D15) for iPad 3 (GSM)

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 iPad3,3
iPadOS Version 9.2.1
Release Date 2016-01-19
Update Date 2016-01-12
Sha1sum
422ad0ccf275804e26c6ece1728e8dd5bee5c6c7
Sha256sum
d22968cd952543bda5a373a3f258afb4774c5b43f890629bc136a7f6d23e70e4
md5sum
6177482279779d47b12e6732cced4d6b
Size 1.56 GB
FileName
iPad3,3_9.2.1_13D15_Restore.ipsw
Status

Download IPSW (1.56GB) 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