This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 12 January 2022 |
Upload Date | 08 January 2022 |
File Name | iPhone_4.7_15.2.1_19C63_Restore.ipsw |
File Size | 5.07 GB |
SHA256sum | 89764e31ed76383ef189a09f7cb1e8c572bed931737b99372e1f2a756961cfb5 |
MD5sum | a98b1b3eff1a455807a5331afea1a604 |
SHA1sum | af7d38b552dda764d35d6e92885de839ed7bf1fb |
Identifier | iPhone8,1 |
cd ~/Downloads
.idevicerestore -e iPhone_4.7_15.2.1_19C63_Restore.ipsw
and press Enter.