NGM WINN Guía Rápida página 16

Set up
Installing the USIM card
The USIM card stores information as your personal phone
number, PIN code, carrier services numbers, contacts and other
important details. First, remove the back cover from the phone
by sliding a thin small object such as the corner of a credit card
or a fingernail into the slit at the base of the cover to dislodge it
from the chassis.
The USIM card must be inserted into the slot placed on the back
side of the phone, with the gold contacts facing downwards
after removing the battery.
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Installing the Memory card
In order to correctly use all functions, the 8 GB micro-SD card
contained in the selling package must be correctly installed. It
must be inserted in the back side of the phone, after powering
it off and removing the battery. A dedicated slot fort the
memory card is placed beside SIM-slot. Slide in the memory
card with the gold contacts facing downwards.