Download iOS 9.2.1 (13D15) for iPhone 6s+

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 iPhone8,2
iOS Version 9.2.1
Release Date 2016-01-19
Update Date 2016-01-12
Sha1sum
b09aff0d8a92bedc83b17bdfb40169e1d6014dde
Sha256sum
f7e435fbabfdf055c81ad9b4dd2ee36d202b283cb11695140962ce195a5cb88b
md5sum
02d54a87061860ec01a03c80ae20841b
Size 2.22 GB
FileName
iPhone8,2_9.2.1_13D15_Restore.ipsw
Status

Download IPSW (2.22GB) 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