No, it's locked to AT&T - that's why you can't use Tmobile's SIM. Check Pogue's review. I believe you'll be able to swap AT&T's SIMs, but I read somewhere that visual voicemail and something else are locked to main SIM.
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No, it's locked to AT&T - that's why you can't use Tmobile's SIM. Check Pogue's review. I believe you'll be able to swap AT&T's SIMs, but I read somewhere that visual voicemail and something else are locked to main SIM.