This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 21 June 2023 |
| Upload Date | 16 June 2023 |
| File Name | iPhone_4.7_15.7.7_19H357_Restore.ipsw |
| File Size | 4.91 GB |
| SHA256sum | e4fcaf1f06f947ab3172e497e001837d6d484166248aff43637606dad6a506df |
| MD5sum | 1adc690adbdbca334b9ce6aa1ebf6d07 |
| SHA1sum | 26474c0ac8d1afb7a0d2fa289796aadf31e54fee |
| Identifier | iPhone8,1 |
cd ~/Downloads.idevicerestore -e iPhone_4.7_15.7.7_19H357_Restore.ipsw and press Enter.