This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 24 April 2018 |
Upload Date | 14 April 2018 |
File Name | iPhone_4.0_64bit_11.3.1_15E302_Restore.ipsw |
File Size | 2.53 GB |
SHA256sum | 64b892c580be1509e45e94a64be70e2e46b444b6cd48844dc7146a9af56ddc5a |
MD5sum | 058d17d6c4486614cd760e76a0b66872 |
SHA1sum | dd1d1c8ff8afcd1d5f6f4cf30eb3d12a777beb3e |
Identifier | iPhone6,1 |
cd ~/Downloads
.idevicerestore -e iPhone_4.0_64bit_11.3.1_15E302_Restore.ipsw
and press Enter.