Download iOS 8.2 (12D508) for iPhone 4[S]

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 iPhone4,1
iOS Version 8.2
Release Date 2015-03-09
Update Date 2015-03-04
Sha1sum
926ba7adb8624022cd41d313f1a5748e9845ff6e
Sha256sum
7057b2cb3f06fb7354741984ce9759445cf9b21ee400e0558b108b67452f398b
md5sum
e9148eb6e903787c79bd3372bf6facf5
Size 1.46 GB
FileName
iPhone4,1_8.2_12D508_Restore.ipsw
Status

Download IPSW (1.46GB) Check device info
Release Notes

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

This release introduces support for Apple Watch, and also includes improvements to the Health app, increased stability and bug fixes.

Apple Watch support

Health app improvements

Stability enhancements

Bug fixes

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

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