Cupcake User Guide R1.5.0 15 April 14, 2009
1.2 Installing the SIM Card, Battery, and Storage Card
Always turn off your phone before installing or replacing the SIM card, battery, and storage card. You
also need to remove the back cover before you can install the SIM card and battery.
To remove the back cover
1Make sure the phone is turned off.
2Firmly hold the phone with both hands and the front panel facing down.
3Push the back cover down with your thumb until it disengages from the phone.

SIM card

The SIM card contains your phone number, service details, and phone book/message memory. Your
phone supports both 1.8V and 3V SIM cards.
Note Some legacy SIM cards may not function with your phone. You should consult your wireless
service provider for a replacement SIM card. There may be fees for this service.
To install the SIM card
1Make sure the phone is turned off.
2Locate 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.
3Slide the SIM card completely into the slot.
Push down from this corner
Cut off corner