Download iOS 15.7.8 (19H364) 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 iPhone8,2
iOS Version 15.7.8
Release Date 2023-07-24
Update Date 2023-07-13
Sha1sum
9bbe7b58070e759a508f00012ed01d4fbec30f3c
Sha256sum
3dbc42396d29d022c68469ef6895f7de2c5beb52c0e21eb63b92ebb364b17620
md5sum
67f3f06beb3927a5ecaf9c14c25d6d5f
Size 5.05 GB
FileName
iPhone_5.5_15.7.8_19H364_Restore.ipsw
Status

Download IPSW (5.05GB) 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