Where and how to install home button when no retainer?Two things: #1 So my home button doesn't work. After looking inside, the retainer that houses the home button ribbon cable is...
Answer to: iPhone4 won't restore and shows Error 21when the os does not load and all you get is the logo repeatedly booting: 1 pop out the back plate, and then the screw connecting the battery. 2 just unplug the sensor cable and snap it back in. make sure the iPhone is connected to a power source (though not pertinent if the battery has enough juice)