Method 1: You can enter the phone Settings -- battery\/more Settings -- dual engine flash charge -- Turn on dual engine flash charge (some models do not have this switch, flash charge is turned on by default). Note: The flash charge function can only be used if the mobile phone supports dual engine flash charge and uses the original charger; After the flash charge is turned on, charging in the off state is also effective.
1. First, click the \"Settings\" icon on the vivo mobile phone desktop; 2, enter the phone Settings screen, drop down menu, select \"battery\"; 3, finally in the battery interface can be charged Settings, such as you can open the \"dual engine flash charge\" and other functions.
2: Click \"Settings\" on the desktop, select \"Battery\" after entering, click to find \"Charging Settings\