No Data on AT&T?

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I just received my Galaxy S. Took the SIM card out my iPhone 3Gs and plugged in.

Now I get phone service, but no data service at all. No 2G, no 3G.

Any ideas why?

The Baseband Version on the phone is I9000DXJF4

Well there was a youtube video of someone using AT&T data and I think were several postings of people using data on AT&T. I also plan on using AT&T. Will report back when I get my sim card.

does it show up as a samsung galaxy device when u log in to att.com? or is the device unknown?

It's showing as the iPhone 3Gs. I was thinking of flashing diferent firmware.

Data is working for me on ATT. NYC area.

That happened to me when I switched from an iphone to a nexus one. You have to call at&t and give them the imei # for ur phone. Once they enter that in and remove the iphone imei from your account ur data will work. Its quirky but that is what helped me before.

Sent from my Droid using Tapatalk

Originally Posted by doctajay

That happened to me when I switched from an iphone to a nexus one. You have to call at&t and give them the imei # for ur phone. Once they enter that in and remove the iphone imei from your account ur data will work. Its quirky but that is what helped me before.

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This was it.... AT&T changed my IMEI and data is working now.

Thanks!