Wiko POWER U20 Guide D'utilisateur page 9

~ Installing Memory Card
Your phone takes a MicroSD memory card of up to 256GB.
Insert the microSD memory card following the diagram
below.
micro
SD
~ Charging the Battery
A battery icon indicates that the battery level is very low :
the battery should be recharged because, if the level is too
low, it may shorten the life of the battery.
Connect the charger to a power outlet and the micro USB
connector to the phone's USB port.
Once the phone has finished charging, the battery icon
becomes full and unplug the charger.
For more information, refer to the Safety Information
section.