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To remove the SIM card
1
Remove the back cover and the battery if
it is installed.
2
Locate the groove below the SIM card
slot, then push the SIM card out of the slot
with your finger.
Battery
Your phone 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, the temperature of the environment in which you operate your
phone, 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):
Talk time:
350
•
Up to
minutes for WCDMA
406
•
Up to
minutes for GSM
Standby time:
402
•
Up to
hours for WCDMA
319
•
Up to
hours for GSM
Note
Battery life is subject to network and phone usage.
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
• Replace only with the battery pack designated for this product.
• Recycle or dispose of used battery as stipulated by local regulations.
T-Mobile G1 User Manual
o
o
C (140
F).
18
Groove
May 27, 2009
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