What's the difference between t-mobile $10 and $35 internet plan?

smilelaughplay

New member
i currently have t-mobile and a few months ago, i renewed my contract and they gave me a nokia nuron for free and they told me that the internet plan for this phone would $10 which I have now but they told me that if I were to get a HTC or a blackberry, the internet plan would cost $35. What's the difference? I took out my sim card and put it into my nokia n900 and the internet works fine. Can t-mobile detect that i'm using a different phone that's similar to a phone that requires the 35 data plan (in my case the nokia n900) and charge me for it without me knowing? Sorry for many questions. Please help and thank you!
 
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