Nokia 2610 - can't connect to pc

HI...

I just acquired a Nokia 2610, on a AT&T GoPhone plan. It's the first cell I've had in years. I downloaded the Nokia PC Suite and bought a data cable. But the software does not recognize the phone.

During the "connect a phone" sequence it warns to make sure the phone is not "securely locked". I'm not sure what this means. Could someone explain please?

Also I can't figure out how to access the speakerphone or headphone feature.

Thanks.

Are you sure you have the data line to buy the wrong?

According to the seller, it does. However the box is marked MK-6030/6061.

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Update: I found a post on the Nokia forum by a user who says this same cable worked fine on his 2610.

I'd still like to know what the term "securily locked" means, as opposed to simply "locked".