Download iOS 9.2.1 (13D15) for iPhone 5c (GSM)

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 iPhone5,3
iOS Version 9.2.1
Release Date 2016-01-19
Update Date 2016-01-12
Sha1sum
d4a63a7e126e6221d97a755cd17fc9b5cf5df424
Sha256sum
a39d18e6aea0417e650c67fce09afa535bb02feec7a045e2ed176f2dd129186d
md5sum
5e1ac67016b8476b2d0547e30a5fb7bb
Size 1.56 GB
FileName
iPhone5,3_9.2.1_13D15_Restore.ipsw
Status

Download IPSW (1.56GB) 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