1, the first thing to do is to try to shut down and charge
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2, replace the mobile phone charging socket, it may be the socket poor contact caused by the charging instability
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3, replace the charger head or data cable try, if the replacement charger can be charged, it means that the previous charger has a problem, change one on the line
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4, clean up the dust of the mobile phone charging interface, if there is more dust inside will cause poor contact, use a needle to pick out the dust impurities inside
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5. Try to restore factory Settings, but back up your data
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6, if the above method is not available, it will be sent to buy a mobile phone to repair, and check whether the mobile phone has a hardware failure