[TyeDyeKid21]

So, I just received a Blackberry 8300 for ATT. I took my sim card out of my old flip phone and put it the new one. When I turn the phone on I get contacts but in the right corner it says SOS. I have tried taking the battery out and reconnecting services in "manage services" and still nothing works. ANY IDEAS?

[tsac]

You need a SIM card designed for the BB. Some do not work. Call the carrier and get a new one.