Download iPadOS 9.2.1 (13D15) for iPad mini 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 iPad5,1
iPadOS Version 9.2.1
Release Date 2016-01-19
Update Date 2016-01-12
Sha1sum
dadcef8c836682b7ffa84a3dc100061cfbf00423
Sha256sum
45a8dfbe9677f051ae80ed6565f6bd0f5f78915a08be68ae5b207453343cf9c8
md5sum
0d0b1c7cd7371d92a73e6124f1ddc2a7
Size 1.81 GB
FileName
iPad5,1_9.2.1_13D15_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