If your iPhone isn't responding and you're not able to power it off and then on again, you can force restart it to hopefully fix the issue. So, here's how to force a restart on any iPhone ...
To turn off an iPhone X or later, follow the instructions below ... your phone may be able to reconnect with your service provider to restore service on your phone so that you can make calls ...
However, the device’s Activation Lock will remain in place. To reset the Apple Watch without an iPhone, go from Settings > General > Reset > Erase All Content and Settings. If you have a ...