Download iOS 7.1 (11D167) for iPhone 4 (CDMA)

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 iPhone3,3
iOS Version 7.1
Release Date 2014-03-10
Update Date 2014-03-04
Sha1sum
d4ec8ab2f85c7fd2fda7ae11ee571f91a1ff3c42
Sha256sum
891f1359a8a003bd08dc51374eedfa267f30edd5a2cce0954572c1419b0f836f
md5sum
f5315af1d854353348da7a42b7a58cf2
Size 1.12 GB
FileName
iPhone3,3_7.1_11D167_Restore.ipsw
Status

Download IPSW (1.12GB) Check device info
Release Notes

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

This update contains improvements and bug fixes, including: