If you want to use software to solve the problem, use software, but the startup of the software may occupy memory.
In addition, you can also use PCC on the official website to repair. Repair means reinstalling the system~ Of course, after the repair is completed, it will be the latest 4.0.4~
After the repair, the data is still there. I can’t remember clearly. It seems that it is. Well, open PCC and read the introduction~