If the screen isn't working on your iPhone or iPad
You might need to set up service for your device.
If your screen is too sensitive or responds intermittently to touch
- Make sure that your screen is clean and free of any debris or water. 
- Disconnect any Lightning or USB-C accessories. If your screen works after removing an accessory, try using a different outlet, cable, or charger. 
- Remove any cases or screen protectors. 
Get support
If your screen still isn't working, you might need to set up service for your device. Get service
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