Download iOS 11.4.1 (15G77) for iPhone 8 (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 iPhone10,4
iOS Version 11.4.1
Release Date 2018-07-09
Update Date 2024-06-03
Sha1sum
936fa0e1e5826a44489841759c8ca6ccfa14d68f
Sha256sum
898bf7b3a96abe2631a5ea1832fc279286761e031c432f992081e3d5b7bae116
md5sum
05c69d1d03fa66587f9ba3bbef4d0257
Size 2.72 GB
FileName
iPhone_4.7_P3_11.0_11.4.1_15G77_Restore.ipsw
Status

Download IPSW (2.72GB) Check device info
Release Notes

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

iOS 11.4.1 includes bug fixes and improves the security of your iPhone or iPad. This update:

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222