5
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.
Warning: To reduce risk of fire or burns:
• Do not attempt to open, disassemble, or service the battery pack.
• Do not crush, puncture, short external contacts, or dispose of in fire or water.
• Do not expose to temperatures above 60°C (140°F).
• Replace only with the battery pack designated for this product.
• Recycle or dispose of used battery as stipulated by local regulations.
1. Align the battery’s exposed copper contacts with the battery connectors at the
bottom part of the battery compartment.
2. Insert the contacts side of the battery first and then gently push the battery
into place.
3. Replace the back cover.
To remove the battery
1. Make sure your device is turned off.
2. Remove the back cover.
3. The bottom of the phone has a notch. Lift the battery by the notch to remove
it.
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.
