Download iOS 15.6 (19G71) 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 15.6
Release Date 2022-07-20
Update Date 2022-07-14
Sha1sum
175e51f7a37fed66847d2d9615a907c677a241aa
Sha256sum
7a596f21a7335715ff65c3bd116679cce525838b41d060ef5db052faaf1ac9df
md5sum
6eef6c7a41afdd81ce69cfee9bb15979
Size 4.91 GB
FileName
iPhone_4.7_15.6_19G71_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

iOS 15.6 includes enhancements, bug fixes and security updates.

Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit this website:

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