Download iOS 14.8 (18H17) 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 14.8
Release Date 2021-09-13
Update Date 2021-09-10
Sha1sum
37a823f555ccfc38bdf481696a0343e2557fcd1b
Sha256sum
64c16cfecb80802b55c1962cd609accfcd85437e3843b87851ac53a0d2ea9ef1
md5sum
00a8f2535ea1b3c705bad70cffbe80d5
Size 4.42 GB
FileName
iPhone_4.7_14.8_18H17_Restore.ipsw
Status

Download IPSW (4.42GB) 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 updates 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