How to restart your iPhone?

[techzeel]

If you are having a message send failure on your iPhone then you can restart your iPhone to fix the error. So, follow these steps if you don’t know how to restart your iPhone:-
1. If you are using iPhone 6s or earlier models then press and hold the Home + Power buttons for 10-15 seconds.
2. If you are using iPhone 7 or 7 plus then press and hold the volume + power buttons at the same time for a while.
3. If you have iPhone 8 plus or later models then just hold the lock button for a few seconds.