GT Master exploration version how to open the ultra-fast charging mode, open its intelligent ultra-fast charging mode, that is, when activating the mobile phone, it will jump out of the charging protocol, you click agree it is 660,000 pieces of charging speed is still quite fast, 45 minutes can be full of 4500 mah battery, so I said this master exploration version, If you want to turn on fast charge, find his charging agreement and click agree it is fast charge.