How to Restart iPhone-All best alternatives?
Resetting versus Rebooting
How to Restart iPhone?
Method 1: Normal Mode
Method 2: Using the Volume down button
Method 3: Ask Siri to Restart your iPhone!
Assistive Touch assists you with utilizing the iPhone on the off chance that you experience issues contacting the screen or squeezing the buttons.
How to Set-up Assistive Touch
Go to Settings > Accessibility > Touch > Assistive Touch.
To know about them in detail click on the below link