If the original screen also doesn't show the backlight, then the backlight circuit is blown. If the original screen has the backlight on, then the replacement screen has an issue. You can connect the original, cracked screen to confirm this. If you can’t see an image at all, then it may be the LCD circuit that is damaged. If you can see a dim image, then the backlight circuit has been damaged. But if you dont want this, go to Settings > Accessibility > Display & Text Size and turn off Increase Contrast. You can restart your phone by holding the home, power, and volume down buttons together. Then shine a bright flashlight on the screen. You can wait until your phone batteries are dead, then recharge and restart the phone. The phone can be turned on but the backlight is not working. The button should free depress and release with each press. Then try freeing the buttons by pressing the button several times in quick successions. First, inspect the buttons to be sure theyre not caked with dirt, lotion, lint, or other debris. To test for this, plug your device into a charger or an iTunes enabled computer. Today we will share how to fix an iPhone 11 with no backlight. Make sure the buttons on your device are not jammed. This cable is called the display data connector. Either way, this type of repair requires micro-soldering and isn’t really a DIY repair. In many cases, your iPhone screen is black because the cable that connects the LCD to the logic board has become dislodged. If you’re lucky, then only a backlight filter is damaged but other times, the entire circuit could be affected. ![]() When you fumble around trying to line up the connector plug to the receptacle, you can short out the voltage rail and cause damage to the components in the backlight circuit. ![]() the backlight is ~20V) and ground in very close proximity. The issue is that the LCD connector has pins that have high voltages (i.e. It’s very important to always disconnect the battery before disconnecting/reconnecting the screen assembly.
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