18 Getting Started
1.2 About the USIM/SIM Card and Battery
Always turn off your device before installing/replacing the battery and
USIM/SIM card. Follow the instructions in the Quick Start Guide to install a
3G USIM (Uinversal IC Card) or a GSM SIM (Subscriber Identity Module) card
provided by your local network service provider and to install the battery.
The USIM/SIM card contains your phone number, service details, and
phonebook/message memory. Your device supports both 1.8V and 3V
USIM/SIM cards. Some legacy SIM cards will not function within your device.
You should consult with your service provider for a replacement SIM card.
There may be fees for this service.
Your device contains a rechargeable Li-ion polymer battery. This device
is designed to use only manufacturer-specified original batteries and
accessories. Battery performance depends on many factors, including
your wireless service provider’s network configuration, signal strength, the
temperature of the environment in which you operate your device, the
features and/or settings you select and use, items attached to connecting
ports, and your voice, data, and other program usage patterns.
Battery life estimates (approximations):
• Standby time: up to 200 hours for GSM; 180 ~ 250 hours for UMTS.
• Talk time (Screen off): 4 ~ 5 hours for GSM; 2 ~ 4 hours for UMTS.
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
o
C (140
o
F).
• Replace only with the battery pack designated for this product.
• Recycle or dispose of used battery as stipulated by local regulation.
To check the battery power
Do one of the following:
• Tap the battery level icon ( ) on the Today screen.
• Alternatively, tap Start > Settings > Systems tab > Power.
