How to use a regular tmobile sim card?

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hi everybody

does anybody no how i can use my samsung vibriant tmobile sim card with my dell streak 7 been trying for a couple of days no go!!!

thanx!

Not Android Development
Please Post in the Correct Forums Thanks
Moving to General

Did you ever figure this out? I'm trying to do this. If I unlock it can I use the SIM from my Vibrant?

Even if you could, you won't get data on it. I tried the smartphone data plan on my dell streak 7 and it logged on to the internet but the only page i could get was an error page telling me i had the wrong data plan.

I would love to get the smartphone data plan on it. It includes roaming. It sucks having a dell streak to use the internet just to end up tethering with my hd2 because it's a worthless brick when i travel.

Yeah I had to convert my plan

Sent from my Dell Streak 7 using XDA Premium App

DITTO. using same sim card as my sidekick, but it had to be converted to the web connect plan. Don't see what the complaining is, for me it's actually cheaper.