Black Screenn
I left my phone charging overnight. When I woke up the screen was black, its unresponsive and not charging. What should I do?
iPhone 8 Plus, iOS 12
I left my phone charging overnight. When I woke up the screen was black, its unresponsive and not charging. What should I do?
iPhone 8 Plus, iOS 12
Follow the instructions in this link-->If your iPhone, iPad, or iPod touch won't turn on or is frozen - Apple Support
This is not related to charging overnight, which is a best practice.
Follow the instructions in this link-->If your iPhone, iPad, or iPod touch won't turn on or is frozen - Apple Support
This is not related to charging overnight, which is a best practice.
Try to force restart the device, then follow the steps here.
https://support.apple.com/en-gb/HT201412
If that doesn’t fix the issue I would contact Apple, your display could be damaged.
Black Screenn