1, About the above Huawei mobile phone charging is slow, and sometimes it can not be charged. To this problem, first check whether the original charger is normal (if necessary, you should consider replacing the test).
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(2) Check whether there are problems such as poor contact inside the original charging data cable (if necessary, replace the test).
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Check whether the battery inside the phone is normal.
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(4) If all the above checks are normal, or the problem of slow charging, it may be a system software problem, or related to the charging circuit and USB interface accessory circuit. For reference only!
Battery aging causes, the battery needs to be replaced