HTC chacha Mode D'Emploi

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SIM card
The SIM card contains your phone number, service details, and phonebook/message
memory. Both 1.8V and 3V SIM cards can be used.
Inserting the SIM card
1. Take the bottom cover off.
2. Remove the battery.
3. With the SIM card’s gold contacts facing down and its cut-off corner facing in,
insert the SIM card into the SIM card slot. 
Removing the SIM card
Make sure to switch off your phone before removing your SIM card.
1. Take the bottom cover off.
2. Remove the battery.
3. Push the SIM card in to eject it from the SIM card slot.
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Getting started