This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 11 January 2021 |
Upload Date | 08 January 2021 |
File Name | iPhone_4.0_64bit_12.5.1_16H22_Restore.ipsw |
File Size | 2.81 GB |
SHA256sum | 5ed8d4d1cacc41c11ffb186a8d78cbc2602461da9887b8599b098f3b84c80966 |
MD5sum | 7fd768ac212db3a7968ea7c99df5b309 |
SHA1sum | a2ba4d5423ead583b31392d6555085ef1af3d310 |
Identifier | iPhone6,2 |
cd ~/Downloads
.idevicerestore -e iPhone_4.0_64bit_12.5.1_16H22_Restore.ipsw
and press Enter.