Download iOS 8.1.3 (12B466) for iPhone 5c (Global)

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 iPhone5,4
iOS Version 8.1.3
Release Date 2015-01-27
Update Date 2015-01-19
Sha1sum
9028136a56896efa69457827798afa435d28dbca
Sha256sum
1d447d05d7f83b808927afb9bf682a9308e42d00d6b90c1e3b971210f6ffad69
md5sum
b054723ad4e2038cb0e240fbb3e98d53
Size 1.50 GB
FileName
iPhone5,4_8.1.3_12B466_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, increased stability and performance improvements, including:

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

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