Download iOS 15.0.1 (19A348) for iPhone 11

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 iPhone12,1
iOS Version 15.0.1
Release Date 2021-10-01
Update Date 2021-09-29
Sha1sum
eb2118fcc46bdb68992a8559eb33656b51eed755
Sha256sum
a2d81f13a605597fca96049e41efe61c5f75a772535199ecdafee507f166e326
md5sum
17bc0df116872a589ff6cdbf20284324
Size 6.48 GB
FileName
iPhone11,8,iPhone12,1_15.0.1_19A348_Restore.ipsw
Status

Download IPSW (6.48GB) 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