I have a Motorola Q9H, I need help.

I have a Motorola Q9h that is from AT&T. I recently unlocked it an placed my SIM in it and it has been working wonderfully and I get about 3 days of battery off of it. I only have an issue in which I can’t seem to get 3G working on the device. It runs Windows Mobile 6.1. Any suggestions on how I can get data working on the device.

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