This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 13 May 2019 |
Upload Date | 08 May 2019 |
File Name | iPhone_4.0_64bit_12.3_16F156_Restore.ipsw |
File Size | 2.92 GB |
SHA256sum | 5c13b4bee6dfb5941c460859a7c1255529f5b1e8634ea371638e6ffffedfed3d |
MD5sum | 12b9d31d6411c07cfac48aea9e99228d |
SHA1sum | 53366927bde0968010c5e37866c9d6dd535c8c25 |
Identifier | iPhone6,2 |
cd ~/Downloads
.idevicerestore -e iPhone_4.0_64bit_12.3_16F156_Restore.ipsw
and press Enter.