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First, tap on your phone to open Settings.
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2 Select Battery in Settings and tap to enter.
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3 Enter the battery and find the bottom of the dual engine flash charge.
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four
Then turn on the flash mode switch
1, find the setting function in the mobile phone and click on it;
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2, in the Settings screen to find more Settings, in the more Settings screen to find the flash charge option;
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3, flash charging function is found, flash charging switch, turn on the mobile phone flash charging function can be flash charging, flash charging is generally two hours to complete;
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4, only can use the official or the same brand of data cable can be flash charging function, not at will with other data lines.