2, after opening, jump into the Settings page, find more Settings, and click the same to open.
The mobile phone fast charge function does not need to be activated, as long as you plug in the original charger cable, you can use the fast charge function.
If Huawei mobile phone wants to turn on fast charging, it is not necessary, you can directly use the fast charging appliance of Huawei mobile phone, and you can use the fast charging function to fast charge the mobile phone