Download iOS 8.1.2 (12B440) 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 8.1.2
Release Date 2014-12-09
Update Date 2014-12-05
Sha1sum
5834cb39c8dd34ef9e991a5b206e551f226d8cad
Sha256sum
8227a88fe1ac9b3365eea2fcfab32006d05bb88b64571658e05ac7ce20c15bc6
md5sum
2d0676da27191d6319db14fc827f71ae
Size 1.50 GB
FileName
iPhone5,3_8.1.2_12B440_Restore.ipsw
Status

Download IPSW (1.50GB) Check device info
Release Notes

It should be noted that these are the official release notes for the from Apple

This release includes bug fixes and addresses a problem where ringtones purchased through the iTunes Store may have been removed from your device. To restore these ringtones, visit itunes.com/restore-tones from your iOS device.

For information on the security content of this update, please visit this website:

http://support.apple.com/kb/HT1222