HEY ! A year ago my iBook G4 12" 1.33ghz (A1133) fell after someone tripped over the networking cable, ironically while i...

iPhone 6 or iPhone 6 plus with Error 53: Error 53 occurs when the apple validation script can't verify your hardware, in this case, the Touch ID module. The touch ID module may be aftermarket (Not "Genuine") but if you did not encounter a problem when first replacing the screen assembly or Touch ID module, then your aftermarket Touch ID is most likely NOT the issue. (If the solution below does not work, see the footer) Your Touch ID has 2 very small screws which fasten it to the iPhone frame. One or Both of those screws are loose, and that creates a huge problem. We need to operate. When opening anything, get your tools ready, and find something to keep your screws and pieces safe and organised. A cup will do fine, but a magnetic screw dish or some masking tape folded over will be better. Get a pentalobe screwdriver unscrew and remove the two screws at the bottom next to the charging port, open up your iPhone using a soft prying tool such as a spudger or guitar pick, first prying at the bottom then works...

Hey Andrew, Just letting you know i have the same problem, after i replaced my iBook G4 12" 1.33ghz (A1133) cracked screen. I have tried exchanging the display cable from an 800mhz iBook as well as another 1.33ghz. It is not the prefence files either. Could the display possibly be from another model? perhaps the OS or driver works specifically to the 1.33gz model so it does not function properly with another screen model? The replacment screen did come with a new video cable...