Originally Posted by knidukdev
Thanks, I was aware of the reason for T-Mobile being EDGE only.
I just did a little bit of more research and believe I found a solution to the reason for fixing European Galaxy SII, SIII and Note connectivity on AT&T.
Not sure if I'm allowed to link to another forum, but here is the solution:
Thanks for the link! I did get my phone working, albeit not the best, but I had no idea about this fast dormancy thing. I have now disabled it, and we shall see how it works. Thanks!
Samsung Galaxy SII I9100 mobile from Vodafone (UK Edition) running on the AT&T network in the USA
Currently running NeatRom Lite 4.3 & Jeboo 2.1+ kerenel
Samsung Galaxy Tab 10.1 WiFi only (USA Edition)
*retired* Rooted Motorola Droid X on Verizon