Why Does My Iphone Touch Screen Not Work When Charging. Press and release the volume down button. Remove any debris from the charging port on the bottom of your device.
If you have a protective case or if you are using a plastic sheet or film on the display try removing them and testing the device without it. The LCD screen and digitizer both connect to your iPhones logic board thats the computer that makes your iPhone work. Plug in your device and let it charge for up to one hour.
Remove any debris from the charging port on the bottom of your device.
Check the port and gently remove any dust and debris you may see on it and then firmly plug in your charging cable into the device. Make sure that you have the latest version of iOS. From an impressive home screen to Do Not Disturb to longer battery life and more reliable unlocking all are instantly achievable on your iPhone with some quick settings changes. If this is the case there is little you can do as it becomes a hardware challenge and not something that can be addressed by simple tricks and how-tos.