This firmware is signed. This means that you can restore to it in iTunes.
Release Date | 22 July 2019 |
Upload Date | 01 July 2019 |
File Name | iPhone4,1_9.3.6_13G37_Restore.ipsw |
File Size | 1.50 GB |
SHA256sum | 2466a99001c9e091e22f330a1c97a231179d1679f58fd9d1cf0c1694ca8261bd |
MD5sum | 26f4c6077e5f9beda57f100cda21e464 |
SHA1sum | 6ccddbfdf4a0d6747924252d379ad6d52f7d4ea8 |
Identifier | iPhone4,1 |
cd ~/Downloads
.idevicerestore -e iPhone4,1_9.3.6_13G37_Restore.ipsw
and press Enter.