HTC TOUCH DUAL - Smartphone - WCDMA User Manual page 21

To remove the back cover
Before installing the USIM/SIM card or battery, you have to remove the back
cover.
1.
Make sure your device is turned off.
2.
Slide the back cover upward as shown in the following illustration.
To install the USIM/SIM card
1.
Use your thumb or finger to pry open the cover that houses the SIM
card slot. To open the slot cover easier, pry it open from both ends.
2.
Hold open the slot cover with one hand.
3.
Insert the USIM/SIM card with its gold contacts facing down and its
cut-off corner facing toward the inside of the slot.
4.
Close the slot cover.
Note
To remove the USIM/SIM card, press it to pop it out of the slot.
Getting Started 21