![]() This happened after sleep/wake button repair. Problem: when i turn on my iphone 4, the screen stays completely black (no backlight) through the boot sequence, but then when iOS is actually loaded and the lock screen is supposed to come up only the backlight turns on and there is no image. I got the phone to play music, and i could sync and backed it up with itunes so it must be a screen issue? I also tried restoring via dfu but nothing happened. When you are reconnecting the cable, make sure not to plug it in upside down: it. I've restarted the phone, but to no avail. Use both hands, if needed, and slide the connector out in a straight manner. I opened it back up and carefully cleaned the connectors with windex, but still nothing happens. Now when i press the sleep/wake button I can power cycle the phone a turn the screen on and off, but no image appears, just the backlight. After putting it all back together, I pressed the power button, but nothing happened the screen didn't light up or anything (no backlight), but after about a minute the phone buzzed and the backlight came on. I carefully put the logic board back in making sure not to damage the gold connector and I kept track of all the screws by laying them out on their assigned spaces on a diagram I drew up. Note: This step will delete all of the data on your phone. No Lcd is damage costumer tells us that sometime income. Spare parts and accessories specialist since more than. If the screen is still black, Perform an External Factory Reset. iPhone XS and XsMax display blank fix by easy method.No any light and graphic shows but charging ok. Buy Complete Black Screen - iPhone 4S Parts - iPhone 4S iPhone 4S at the best price on SOSav English. Next, if the issue persists, please Clear the System Cache. If it rings but nothing displays, your iPhone is okay, but you have to replace the screen. I was very gentle on the cables to maker sure I didn't break anything. Remove any phone case and/or screen protector if there is any. To check this, simply ask somebody to call your iPhone. I cleaned all of the contact points with windex, dried them with a micro-fiber cloth and then used compressed air to make sure everything was dry and no particles were left. I tested it out before putting it back together and the button had decent feedback, so i preceded to put it back together. IPHONE 4S SCREEN LIGHTS UP BUT NO DISPLAY INSTALLI followed ifixit's guide to install a new button, but instead of installing a new one, i merely took a small piece of paper and wedged it in between the button and contact. My old iphone 4's sleep/wake button died, so i followed a friends advice and decided to try putting a small pieced of paper in between the button and contact. ![]()
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