1. If there are too many applications running in the background of the mobile phone, the user can clean up and run the application.
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2. If you use your phone for a long time, put it down.
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3, play large games, this situation will take up a lot of CPU leading to mobile phone fever.
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4. Charge.
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5, the mobile phone in a closed environment to download, this time the mobile phone can not heat will heat.