How to set the volume button for iphone6plus?

How to set the volume key for iPhone 6plus: Enter the camera setting interface in the system, click the setting button, find the "volume key" option, and click and select "camera key".

Step 1: Turn on the camera in the mobile phone and enter the camera shooting interface.

Step 2: Click the menu button of the mobile phone or click the setting icon of the shooting interface to enter the camera setting interface in the system.

Step 3: After entering the camera setting interface, click the setting button to find the "volume key" option.

Step 4: Click the "Volume Key" setting button, select the zoom key, camera key and recording key, and click the "Camera Key".