Download iPadOS 9.2.1 (13D15) for iPad 3 (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 iPad3,1
iPadOS Version 9.2.1
Release Date 2016-01-19
Update Date 2016-01-12
Sha1sum
99b304ea16f9880b1c624232795b5c6f2ea28f8b
Sha256sum
6890f0aeb35e2a1595cca31efc383a4f10983e696f24c50991ad6f49b7c7fa6c
md5sum
d5c3101a00724b698f8f69be3c13814e
Size 1.53 GB
FileName
iPad3,1_9.2.1_13D15_Restore.ipsw
Status

Download IPSW (1.53GB) 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