[sickovico]

I need some help setting up a unlocked 8310 curve from AT&T to Tmobile. after I put the sim in the device a message appears "Invalid Sim".I don't know a lot about GSM since i work for Sprint. I know the curve Really well I just need some helpl with the setup with an unlocked phone on the gSM network.
thanks for any help. and any help that you need I'll be glad to give!
sicko

[Tre Lawrence]

First, are you sure it is unlocked?

[Blaze08]

Yea I have my att curve unlocked. And still use it for att but it sounds like ur curve isn't unlocked bc today I switched sims to make a call to tmobile customer and it worked fine. Ur phone isn't unlocked. Retry it. then I'm sure it shud work if any further help PM me

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