1, mobile phone poisoning. You can install well-known antivirus software such as Tencent Mobile Manager.

2. There is too much garbage cached in the mobile phone, which takes up the running memory of the mobile phone. Tencent mobile phone housekeeper can help you clean up the garbage and save the operation of your mobile phone. Set up a small rocket acceleration function to speed up the operation of the mobile phone.

3. There are too many software and files stored in the mobile phone, which takes up the memory of the mobile phone. It is enough to delete the unused files and software frequently.