1, lack of memory leads to a black screen: clean the memory frequently, close unnecessary background running programs, and keep the mobile phone in the best condition.
2, improper operation leads to black screen: try not to open a lot of software at the same time, take up a lot of memory, easy to black screen.
3. Software problem: download the appropriate mobile phone software according to the memory or configuration of your mobile phone. If the mobile phone configuration is low, running too much software is easy to crash.