How to switch cameras before and after Sanjintong authentication

Generally, mobile phones that support dual cameras will have a sign to switch lenses in the upper right corner of the camera. Click Switch.

The front camera can also be called the sub-camera, which generally refers to the camera on the front of the mobile phone, and the rear camera is the camera placed on the back of the mobile phone.

The main parameters measured by the camera. Resolution (pixel resolution) is one of the most common parameters. The resolution is mainly determined by the image sensor. The higher the resolution, the finer the image and the better the effect, but the image takes up more storage space. Generally speaking, the camera pixel is the largest pixel in camera mode, and the pixel in camera (video shooting) is usually smaller. For example, the N97 camera has 500W pixels, but the maximum resolution in camera mode is only 640 x480.