This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 25 October 2021 |
Upload Date | 15 October 2021 |
File Name | iPhone13,1_15.1_19B74_Restore.ipsw |
File Size | 6.13 GB |
SHA256sum | 7d319fe270b5eae170ff3bae6a5ef5668fb221d9cf3cdf928419f6c2cb1d0551 |
MD5sum | ba3968922c34c2434ad43d0a329fe748 |
SHA1sum | 33a62bee24306309a2828d8c073a1d3679576e8e |
Identifier | iPhone13,1 |
cd ~/Downloads
.idevicerestore -e iPhone13,1_15.1_19B74_Restore.ipsw
and press Enter.