How to adjust the flash of the mobile phone?

Method 1: Pull down or slide up (different mobile phones are different) to bring up the notification bar of the mobile phone, and click the flashlight icon in the notification bar to turn on the flash; Method 2: Click the lightning icon on the camera interface to turn on the flash when taking pictures.

The flash of mobile phone can be used not only for lighting, but also for informing and reminding; Flash can also be used to measure heart rate through third-party applications. In terms of usage, users should hold down the flash and camera at the same time. The flash will illuminate the finger, and the camera will measure the heart rate according to the change of finger transmittance. This function is similar to the method of measuring the heart rate of a sports watch. In addition, some third-party applications can change the blinking frequency. This function is very practical when traveling in the wild, and can be used to send signals or distress information.

With the development of science and technology, most mobile phones have been equipped with dual color temperature LED flash. LED has the characteristics of low power consumption and small size, which is just suitable for small mobile phones. Low-power LED flash can also save a lot of power for mobile phones. In addition, the smart phone with dual flash is by going up one flight of stairs in photo technology, and its main function is to improve the authenticity of photo quality, and the image quality becomes more natural and clear.