Oppor 1 What's the light next to the photo on the back of the phone?

Oppor 1 1 The one next to the camera on the back of the phone is a flash.

Flash is an artificial light source used in photography. When the shutter of the camera is pressed, the scene is usually illuminated between11000 and 1/200 seconds. Flash lamps are mostly used for instantaneous lighting in dark conditions, and also for local fill light in bright conditions.