You need your SIM card inserted on your phone to use the data connection. To
find out how to set up and use the data connection, see Data connection.
Before you can use your phone as a modem, be sure to copy first
HTCDriver.exe from your phone’s microSD card to your
computer. To find out how to copy, see Copying files to or from the storage card. Double-click this file and follow
the onscreen instructions to install the modem driver on your computer.