Download iOS 15.7.6 (19H349) for iPhone 6s

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 iPhone8,1
iOS Version 15.7.6
Release Date 2023-05-18
Update Date 2024-06-03
Sha1sum
569e785b961181d6d38c6d4c337708de5d327ab4
Sha256sum
fc2d5f649813474a65467f9344c5cbdb2930bd1810bf0449e147438fd2b79817
md5sum
591d9e28590e6347abc6613fcf551b87
Size 4.91 GB
FileName
iPhone_4.7_15.7.6_19H349_Restore.ipsw
Status

Download IPSW (4.91GB) Check device info
Release Notes

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

This update provides important security fixes and is recommended for all users.

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

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