1, the slow charging of the mobile phone is usually because the fast charge is not activated, the fast charging function of the mobile phone can allow the mobile phone to charge quickly, when the fast charging function fails to charge at the basic power, it will be shown as the slow charging speed.
2, a lot of fast charging protocols, each is different, activate fast charging requires a mobile phone, charging head, charging line three match, fast charging failure priority check whether to replace the charging head or charging line.
3, different brands of charging head or charging line will lead to the failure to activate the fast charging function, if the charging head or charging line are original, it may be the charging head or charging line failure, choose to replace the official original accessories.