1, First open the phone, find your phone set this place, and click open.
2, after opening, jump into the Settings page, find more Settings, and click the same to open.
3, after opening, also jump to the page, in the page to find the flash charge option. If more Settings are not available, you can look them up in Settings.
4. After the flash charging function is found, switch to flash charging and turn on the mobile phone flash charging function. Then your phone can be flash charged. Flash charging usually takes two hours to complete.