Iphone 5 APN settings help! 20 points?

So bought a tmobile phone and want to do straight talk with it. I have the compatible sim and everything. I did the iapnupdate.straighttalk.com and did all that it said (NOT VERIFIED) why? What can i do? When i used the unclockit.co.nz it said verified.

Is the Straight Talk SIM in the phone (to verify that the unlock has worked)? For the APN settings to take effect you would have to be on their network.

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