Download iOS 15.0.2 (19A404) 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 15.0.2
Release Date 2021-10-11
Update Date 2021-10-07
Sha1sum
9ae5e23a6d2f514c49de5316ccb5a36a659d799f
Sha256sum
69b0be369dc02771f41fcad4e17a6bcc44de0d1bcfcefe7a6ab4e9b0fd7fc69a
md5sum
5ada78e81db10c7e54f36bd733e83b24
Size 5.12 GB
FileName
iPhone_5.5_15.0.2_19A404_Restore.ipsw
Status

Download IPSW (5.12GB) Check device info
Release Notes

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

This update includes bug fixes for your iPhone:

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

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