UTStarcom SideKick II Reference Manual page 15

7 Read and agree to the end-user agreement.
Before you can finish registration, you must read and agree to the
end-user agreement. You can read it by selecting the on-screen View
Agreement link or from the Desktop Interface. Once you read the end-
user agreement, select the Next button to indicate your acceptance and
transmit your registration data.
8 Wait while data transmits.
Wait while the data you entered in Registration transmits to T-Mobile.
The service will check to see if your username has already been taken.
If it has, you will be offered alternatives. You can either pick one of these
alternatives or type a different username. Note that If you are out of
network coverage, you'll be asked to "try again" to resume registration.
9 Congratulations!
Once your account has been set up, you'll see the Congratulations screen:
Select the Start button to proceed!
Registration 15