This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 23 January 2017 |
Upload Date | 13 January 2017 |
File Name | iPhone_4.0_64bit_10.2.1_14D27_Restore.ipsw |
File Size | 2.18 GB |
SHA256sum | 2411c0dccb0d18476d5fd65e2b2777d0afeaed12f60cc58aa4627f3281d775ec |
MD5sum | 10df1216658f7e914be63ce36a81468f |
SHA1sum | 7d93ed2ea56ca0816075f5a88061778059624004 |
Identifier | iPhone6,1 |
cd ~/Downloads
.idevicerestore -e iPhone_4.0_64bit_10.2.1_14D27_Restore.ipsw
and press Enter.