iPhone on T-Mobile, ya I know but I need help

[veo321]

I have a unlocked jailbroken iPhone and a pay as you tmobile sim
I was wondering if I would get charged anything if I put the sim in my iPhone after hearing tmobile has some support for iPhone please help I'm in a hurry.
Thanks in advance ,

 

[Eternal 28]

No worries you should be good to go.

 

[rgarjr]

how would you get charged on something that's pay as you go?

 

[veo321]

I miss read a article

 

[veo321]

Err it's a AT&T sim