I currently have a service contract for my cell phone through Cingular. Can I just add a data plan through their website, move my SIM card from my cell to my BB and be done? I'm trying to avoid dealing with customer service. Haven't had the best experience in the past.

You can try it. As long as it is a Cingular 7280 it should be fine. Are you using BES or BIS? If you are using BIS you have to set up the BlackBerry on the Cingular BIS web site. If the BB was already registered, you may still have to call CS to get it released and assigned to you.

Haha -- good luck. I understand not wanting to call Cingular CS. Can you add Blackberry data plans via their web site?

This is misinformation. Swapping SIMs between unlocked GSM phones is good enough to get them on the network.

It happened to a friend of mine. That is why I mentioned it. Have also seen it posted here a few times as well.

Swapping the SIM will only allow the phone to work on the BB. He will need to do a data plan and talk to someone. Cingular wont allow a simple swap. Also if on a corporate server, it will ask if you want to change PIN's then ask for the email password. If it was as easy as swapping SIM cards then no one would buy a data plan.

The OP mentions swapping SIMs and adding a data plan. I wasn't saying that you don't need a data plan, simply that you don't have to call GSM providers to "activate" GSM phones.

if you go into or call a company owned store they will be more than happy to help you since they stand to make $25-$40 on simply adding a feature and provisioning. I know that in certain instances people have issues accessing data over the network if the imei is not entered into the system with cingular.

I would personally call or go into a store to bypass customer service.

Also if it is not cingular branded or unlocked it will not be able to be used with cingular's network