This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 03 October 2017 |
Upload Date | 28 September 2017 |
File Name | iPhone_4.7_11.0.2_15A421_Restore.ipsw |
File Size | 2.47 GB |
SHA256sum | 742451d408c31840206afebd22f83147512f3acc4efdb90e308775cf087d7d0f |
MD5sum | 13e2887a0071ec11d31aad329dc460e2 |
SHA1sum | 125322c64004171b2f3aa50b10992787ff7fe28c |
Identifier | iPhone8,1 |
cd ~/Downloads
.idevicerestore -e iPhone_4.7_11.0.2_15A421_Restore.ipsw
and press Enter.