User manual

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Balanced Mode will balance the performance and power consumption, which
is suitable for most light-weight games.
The low-power mode will lower the game quality, but it will prolong the
battery usage, which is recommended for the phone in low battery.
Smart Dual-Channel Network Optimization
Swipe up from the bottom of the screen to display the menu, and
enable Smart Dual-Channel Network. This function can further reduce WLAN
delay by using the 4G network. However, this will consume mobile data.
Locking Brightness During Gaming
Gaming can be affected if the screen suddenly dims. Swipe up from the
bottom of the screen to display the menu, and enable Brightness Lock to lock
the screen brightness during gaming. This means that the screen brightness is
no longer automatically adjusted according to the light sensor, and, therefore,
the screen won't flicker when the light sensor gets blocked during gaming.