vivo mobile phone can not flash charge processing methods: First, the mobile phone does not display flash charge: processing methods: 1, enter the 【 Settings 】-【 Battery\/more Settings 】 to confirm whether the 【 dual engine flash charge 】; 2, whether the use of other lock screen style, resulting in the screen does not display dual engine flash charging, it is recommended to replace the lock screen style of the phone; 3, confirm whether to use the original charger, data cable; 4, disconnect the power, restart the phone and put it for a while, and then try to charge it; 5, in addition, the connectivity of the socket may also affect charging, it is recommended to replace other sockets for charging.