For instructions on how to do so, please refer to the below:
How to restart your Android® phone
Hold down the power button for a few seconds.
On Samsung devices you might need to hold down the volume-down button and power button instead.
A menu will display with the options Power Off, Restart and Emergency Call.
Select Restart.
Confirm your selection. Your device will now restart.
If you selected Power Off, you can turn your device back on by pressing and holding the power button.
How to restart your iPhone® X, 11, 12, 13, or later and iPad®
Press and hold either volume button and the side button until the power-off slider appears.
The volume button is located on the left side of the device, and the side button is located on the right.
Drag the slider, then wait 30 seconds for your device to turn off.
To turn your device back on, press and hold the side button (on the right side of your iPhone) until you see the Apple logo.
How to restart your iPhone® 6, 7, 8, or SE (2nd or 3rd generation)
Press and hold the side button until the power-off slider appears.
Drag the slider, then wait 30 seconds for your device to turn off.
To turn your device back on, press and hold the side button until you see the Apple logo.
How to restart your iPhone® SE (1st generation), 5, or earlier
Press and hold the top button until the power-off slider appears.
The power button is located on the top of the device.
Drag the slider, then wait 30 seconds for your device to turn off.
To turn your device back on, press and hold the top button until you see the Apple logo.
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