How do the T-mobile sidekick plans work

My apple mobile devices will not work and I won to know hoe to work it.

how can i work with two sims on the same mobile?

I have an unlimited plan with my friends and I put my sim card [the unlimited one] in my sidekick 3 phone and it doesnt work ...

I want a new phone kay. I have t-mobile. and I want the the Sidekick LX. but then I saw the T-mobile Wing. they both have key...

Is it possible to get a koodo mobile plan for a telus phone?

Which one has better qualities?

I use t-mobile. Well my boyfriend got me a sidekick lx about 2 months ago so I went on the sidekick plan which is free inter...

Is there any wayto unlock a t-mobile sidekick slide and use it for metro pcs?

Im thinking of switching to this plan it is a non contract plan. but im ordering it online. So when i get my phone, how do ...

Is it unlimtied internet by any chance, I heard it's 300 mins and unlimtied texting/date but I was wondering if it's internet...