oppo's VOOC flash charge does not need to be manually enabled. As long as you're using the original cable and charger. Must be original, because other charger data cables are not compatible with this fast charge protocol. There is also only oppo's flagship mobile phone has fast charge, not all oppo mobile phones support fast charge, such as a59 these are not supported.
1, we want to charge the phone quickly when the battery is out, and then how to use the phone, first open our oppor15 mobile desktop, and then slide down the control center, click flight mode
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2, after the flight mode is turned on, then connect your mobile phone to the power supply to successfully achieve fast charging