Quote:
Originally Posted by CovKid66
I think you'll find it is only SIM locked within N/A. It will work fine abroad. The ebay vendor I linked you to states that they can SIM unlock TMobile, etc. My own Telus came with a SIM card, but it was only good for roaming abroad...it would not work within N/A. Inserting another carriers SIM card resulted in the exact same issues you reported...until I bought the unlock code.
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I see, however I didn't even FIND a place to put in the unlock code. The Settings->Security says this phone is SIM unlocked, and it never bothered to ask me to put in an unlock code when I have the SIM card in there. It just refuses to register/find any North America GSM networks.
Did yours ask for an unlock code? Because it did then at least you have a place to put it. Not mine though.
Quote:
Originally Posted by Rick#2
Maybe this is a dumb question, but is your AT&T SIM a valid one, ie: prepaid or otherwise still in use? If you're trying to use a SIM that doesn't have an active account linked to it, it certainly won't work.
I don't see why a different SIM couldn't work in your unlocked Sprint phone. If you have a prepaid AT&T SIM card, for example, you ought to be able to pop it in and for all intents and purposes, you aren't on the Sprint network anymore and are just using AT&T services with your prepaid account.
No different than taking the phone international and popping in a prepaid European SIM. There have been reports of Telus users (ie: Canadian) using prepaid American SIMs down in the States without any issues.
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Yes both of the AT&T and T-Mobile SIM I used are current active cards, i.e. I pulled them out of a working phone that is currently active. But still no good so...