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use 3G networks only.
If you need to use 3G operation, please insert 3G card in the card slot
1(Default SIM1 card, defined in the menu Settings/More…/Mobile
networks/Preferred networks type), the SIM2 card will be supported 2G
network only (If insert 3G card in the card slot 2, you can also use 2G
operation only).
• Some legacy SIM cards may not function with your device. You should
consult with your service provider for a replacement SIM card. There may
be fees for this service.
To install a memory card
To have additional storage for your images, videos, music, and files, you can
purchase a memory card and install it into your device.
1. Make sure that your device is turned off, and then remove the back cover.
2. Locate the memory card slot on the upper part of the exposed right panel.
3. Insert the memory card into the slot with its gold contacts facing down until it
clicks into place.
Note: To remove the memory card, press it to eject it from the slot.
