Download iOS 15.0.1 (19A348) for iPhone 12

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 iPhone13,2
iOS Version 15.0.1
Release Date 2021-10-01
Update Date 2021-09-29
Sha1sum
e9d9516aeeb06bbd2739662e1da654826c004303
Sha256sum
9edce6ad7560573400d17342052aefba2bce07159e2b5ce0c4ff90f75c03efb2
md5sum
78c2dda24d7f486ba64759f2a48a8895
Size 6.29 GB
FileName
iPhone13,2,iPhone13,3_15.0.1_19A348_Restore.ipsw
Status

Download IPSW (6.29GB) 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