Download iPadOS 9.2.1 (13D20) for iPad mini 3 (Cellular)

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 iPad4,8
iPadOS Version 9.2.1
Release Date 2016-02-18
Update Date 2016-02-16
Sha1sum
c6804c21262c1bf92c5159209644bc5f296f6d4f
Sha256sum
b81968dc4e59a58d7d3a1fc1f9b3a70809731e16fec601155c34fc7a5781fa93
md5sum
f36a3a0d793811cfe99f7527614f627e
Size 1.85 GB
FileName
iPad4,8_9.2.1_13D20_Restore.ipsw
Status

Download IPSW (1.85GB) 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