How to use the back bracket of mobile phone?

Fixed on the back of the phone. Mobile phone back support is a small support, which is generally used to fix the back of mobile phones, and can help to place mobile phones on desks, desks or other planes. The back bracket of the mobile phone can be used to support the mobile phone to take photos or watch videos, which is convenient and quick, and you don't have to worry about the injury caused by the mobile phone falling.