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To install the SIM card
The SIM card contains your phone number, service details, and phonebook/
message memory. Your device is supported both 2G and 3G (WCDMA) SIM
cards.
1. Remove the battery if it is installed.
2. Locate the SIM card slot, and then insert the SIM card with its gold contacts
facing down and its cut-off corner facing out the card slot.
3. Slide the SIM card completely into the slot.
Note: • The phone can be supported the double SIM cards. The card slot
1/2 will be both supported 3G SIM card (WCDMA), but one SIM card can
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/3G service), 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 the battery
Your device comes with a rechargeable Lithium-ion battery and is designed to
use only manufacturer-specified original batteries and accessories. Battery
performance depends on many factors, including network configuration, signal
strength, and usage patterns.