①, regarding the above problems, for example, if your mobile phone supports the fast charge agreement of the mobile phone, at this time, the slow charge problem is displayed, and you must first check whether the original charger is normal (if necessary, you should consider replacing the test).
(2) Check whether there are problems such as poor contact inside the original charging data cable (if necessary, consider replacing the test).
3, check the charging data cable plug and mobile phone charging tail plug, whether there is poor contact between the two.
Check whether the battery inside the mobile phone is normal (this check should ask a professional to help you detect the mobile phone battery if necessary).
(5) If after the above checks are returned to normal, if it is still slow charging, the problem may be that the charging control circuit on the motherboard is faulty.