Try to restore with 3U Tools and use with other lightning cable. Another option if still failed, as Imedic say's if the problem is cold soldering, you can heated iphone at back case, and while its still warm, try to restore
Try to restore with 3U Tools and use with other lightning cable. Another option if still failed, as Imedic say's if the problem is cold soldering, you can heated iphone at back case, and while its still warm, try to restore