I just switched to cingular from tmobile....have the v300. I got the unlock code from tmobile a week ago and unlocked the phone. Today I got the cingular phone and sim. Put the sim in the motorola, let it search for networks, it finds cingular, but won't register...am I doing something wrong ?
No you are probably not doing anything wrong, but I have a question for you. You have a Moto V300 from Tmobile, and you have unlocked it so you can use it on Cingular? What SIM card do you have? Cingular or TMobile? This makes a difference. The other thing, is that because Cingular doesn't offer the V300 some of the features may not work correctly. Keep that in mind. Let me know, and maybe I can tell you more... Remember SIM card, CINGULAR or TMOBILE? This is my question.
i also have an unlocked moto v300 and am using it with cingular. i only have a cingular sim. my problem is that i am not able to logon to the interenet using it. i wonder if there is a setting then i can change that will alow me to use my WAP with cingular or it was exclusively made for T-mobile??
It could be that Cingular/ATTwireless have Mmode, and Tmobile has another feature to access internet. The V300 has a browser, but Cingular/ATTwireless has Mmode. I am not sure if this would affect it, but it's just a suggestion off the top of my head.
Here is the answer to your problem: you may be in an area where Cingular only has thier 850 GSM bands available, ex. Las Vegas. The Moto V300 does not support the 850 spectrum. It only works on the 1900 GSM bands. So unless you are in an area where Cingular also has 1900 available, your V300 won't work.