Getting Started 131.2 About the SIM Card and BatteryAlways turn off your device before installing/replacing the battery and SIM card. Follow theinstructions in the Quick Start Guide to install a GSM SIM (Subscriber Identity Module) cardprovided by your local network service provider and to install the battery.The SIM card contains your phone number, service details, and phonebook/messagememory. Your device supports both 1.8V and 3V SIM cards. Some legacy SIM cards will notfunction within your device. You should consult with your service provider for a replacementSIM card. There may be fees for this service.Your device contains a rechargeable Li-ion polymer battery. This device is designed to useonly manufacturer-specified original batteries and accessories. Battery performance dependson many factors, including your wireless service provider’s network configuration, signalstrength, the temperature of the environment in which you operate your device, the featuresand/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: 150 -- 200 hours• Talk time (Screen off): 3.5 -- 5 hoursWarning! 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• Tap the battery level icon ( ) in the title bar of the Today screen.• Alternatively, tap Start > Settings > Systems tab > Power.
