◆ iOS
Press the Side Button and Volume (Up) Button at the same time.
*If you have a Home Button, press the Side Button and Home Button at the same time.
*Captured screenshots will be saved in Photos.
◆ Android
Press the Side Key and Volume (Down) Button at the same time.
*Captured screenshots will be saved in Photos > Library > Screenshots.
*Depending on your device, the names for each button/app/folder may differ.