Revive your unresponsive iPhone by forcing it to restart. Additionally, you can try charging the phone or reinstalling iOS.
If your iPhone is showing a black screen that never goes away, you should try resetting it or putting it into recovery mode.
The sleep/wake button on your iPhone is crucial to the functionality of your device. So when my partner’s brand new iPhone 15 Plus lock button randomly became stuck, it was annoying, to say the least.