First of all, it is necessary to eliminate the problem of the mobile phone data cable or the charging interface, only need to find a same data cable to replace, and normal charging is the problem of the line.
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two
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Not normal charging is the problem of the mobile phone charging interface, and the line has nothing to do with it, it may be that there is a foreign body in the interface, which can be cleaned out carefully with a fine needle in the case of shutdown.
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three
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If it still can not be solved, that is, the interface is broken, need to be repaired, can only ask someone to deal with