Download iOS 15.0.1 (19A348) for iPhone XS

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 iPhone11,2
iOS Version 15.0.1
Release Date 2021-10-01
Update Date 2021-09-29
Sha1sum
1f95062d36c7016d0d7829017941a81e89ecfb51
Sha256sum
6a8a17aa0284f2c459a82b04c5d115f51dada8a32617fefa7325961e1ca090bf
md5sum
448a8f8dfcab4d8daf17550d3006f4e9
Size 6.97 GB
FileName
iPhone11,2,iPhone11,4,iPhone11,6,iPhone12,3,iPhone12,5_15.0.1_19A348_Restore.ipsw
Status

Download IPSW (6.97GB) 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