How do i unlock a side kick 2 - T-Mobile Sidekick II

You can Unlock it using the Unlock code You can get the Unlock code at here
Classicunlocking.com and Unlock it...You can follow the instructions below and Unlock it step by step..

Sidekick 2 Unlocking Instructions

Warning : Do not enter any wrong unlock codes on your Sidekick 2 mobile phones. If you enter over a certain amount of wrong unlock codes on your Sidekick 2 mobile phone, your phone may get hard locked and sometimes become unusable.
1. Switch ON your Sidekick 2 with a Not ACCEPTED SIM Card.
2. If your Sidekick 2 asks for a PIN code, then enter your SIM card PIN and press OK.
3. Sidekick 2 will ask to enter an "unlock code".
4. Enter Unlock Code we send to you.
5. Your Sidekick 2 is now unlocked.

*NOT ACCEPTED : We mean, to use a Sim card from a network other than the network your Sidekick 2 is locked to.