Cool Pie COOL1 volte function How to open cool pie cool1 volte opening and closing method

Note: This feature may be turned off if we are not using it because the phone's power usage is much faster than before, so don't use Shijianyi to turn off volte speech.

First, enter the cool faction Cool1 system to click the "Settings" interface.

Two, then find the interface below the "dual card and network" as shown in the figure.

Third, in the access to the interface card will see "VoLTE high-definition call" option, the system is closed by default, click the Next button to open, as shown in the picture.

This will let us successfully opened the VoLTE function, of course, to turn off the volte function is also just switch operation of the matter is no longer described in detail.