Verykool i604 - Manual (Page 47)

Auto update time
It can be set to On or Off.
Flight Mode
You can set normal or flight mode.
Misc. Settings
LCD backlight: You can set the LCD backlight.
Network Settings
Please contact the network operator for the following network
service.
1. Network Selection
You can choose Automatic or Manual to select the network (Auto
is recommended). When you select Automatic, the phone will
make the preferential selection according to the network where
the SIM card belongs. When you select Manual, you are
required to select the same network as the registered network
with the network operator by SIM card for your use.
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