T-Mobile Sidekick II "tmobile saying pin blocked" Questions

tmobile sidekick 2 If you log onto your companys website under your account and go to the option that says devices you can get the puk code- different than a pin code. If you enter in too many numbers

...PIN. I have a Sidekick slide Q700 i got from a friend that was wit tmobile and i need to unlock it for it to work for me. It says i need a code to unlock the sim card in order to use it can u please ...