Download iOS 15.1 (19B74) 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 15.1
Release Date 2021-10-25
Update Date 2021-10-15
Sha1sum
ff7ed58a69c90b318d827c98a61bfbaab6dbcbf0
Sha256sum
bcf974cc79c1a13bc87ef6af1971f1e2e951fadfa71ce4007b77eba9531b7130
md5sum
f615a72971f1498b328821fdc276e608
Size 5.20 GB
FileName
iPhone_5.5_15.1_19B74_Restore.ipsw
Status

Download IPSW (5.20GB) Check device info
Release Notes

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

SharePlay

Camera

Apple Wallet

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This release also fixes the following issues:

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

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