I always have a hard time finding the APN list I should be using for any AT&T “4g” phone, so I thought I would post them here for easier reference. These came from the XDA forums and I take not responsibility for them. I’m just sharing them for all. I believe you need all 4 of them and you should set the AT&T US HSDPA to the default one in your APN manager.

A new Cyanogenmod build, Atrix CM ¬B^¬N build, has been released for the Motorola Atrix by the Atrix Dev Team.  This release is designed to be the final release by the team before official nightlies from Cyanogenmod work.  Fingerprint is still being worked (we are having a strange issue with fingerprint that we are currently working on fixing) and WebTop is not yet there (going to be a long road for this).  However this build is certainly for every day use and runs great in my initial testing. The build include Faux’s new kernel (0.21) running at the stock 1Ghz speed.  The new kernel has...