Download iPadOS 9.2.1 (13D20) 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 2016-02-18
Update Date 2016-02-16
Sha1sum
0ced45055cb8c447fe75ff49a0a5cb8d1f6eab1d
Sha256sum
c5851683ec407abddffc3c3865b626fc7497031ae5c2256572cc35af6186a83c
md5sum
c6d6cb98a374890509dca2b95492c8f5
Size 1.81 GB
FileName
iPad5,1_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