I currently have an AT&T plan and would like to activate a phone that was originally through Straight Talk. Is this possible and if so, do I put my current SIM in that phone or do I need a new SIM to "unlock" the Straight Talk phone?
Re: Activating Straight Talk phone on my AT&T plan
You can use any compatible phone on your ATT plan. Just put your ATT SIM card into the Straight Talk phone. If the phone is unlocked, it should work. If the phone is locked, it will either ask for the unlock code or you will get a “sim not supported” message. You need to contact Straight Talk to unlock.
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