What's with the nails flashing back?

The reason for nail flash may be that there is too much cache garbage. If it is not cleaned for a long time, the phone will become more and more stuck and flash back. Maybe there are too many programs running. If you don't set it, many softwares will run by themselves, and too many mobile phone background programs will cause insufficient memory, which will lead to application flashback. The application version is too low, which causes the application software to be incompatible, flashback, or incompatible resolution, resulting in flashback or other errors.

First, check your own network. No problem. Go to the next step. See if the mobile phone is running too many applications and too much garbage, and directly clean up and delete the garbage. Still can't open it after the above steps? Then the software may not be suitable for your mobile phone model or internal update. Wait a few minutes before entering, or flash back, and then uninstall directly and change to a suitable version.