To install the SIM card

1.Make sure your device is turned off.

2.Locate the SIM card slot, 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.

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Cut-off corner

To remove the SIM card

1.Remove the battery if it is installed.

2.Slide the SIM card out from the SIM card slot with your thumb.

Battery

Your device comes with a rechargeable Lithium-ion polymer 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 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):

Talk time:

Up to 420 minutes for WCDMA

 

Up to 480 minutes for GSM

Standby time: Up to 680 hours for WCDMA Up to 440 hours for GSM

Video call time: Up to 140 minutes

Note Battery life is subject to network and phone usage.

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HTC HD user manual Battery, To install the SIM card, To remove the SIM card