Nokia just acknowledged the data connection problem users have been having lately and have put out a statement through their offical US blog: Nokia Conversations...
Here are a few lines from it:
"...However, soon after AT&T began selling this flagship device, we identified a software issue. In short, a memory management issue was discovered that could, in some cases, lead to loss of data connectivity. As a proactive and prudent measure, we decided, together with AT&T, to take immediate action. We have identified the issue, and have developed a solution..."
In 6 days, a fix should be available, you should be able to get the fix on April 16th through Zune software.
And for all your trouble, Nokia is giving $100 credit to every Lumia 900 owner between now and April 16th.... VERY NICEE!! (Borat Voice)
You can read full disclosure HERE
Wow! $100 huh? Nokia is really upset that such a glitch happened within first week of this momentous launch in the US. Showing their appreciation with $100 credit, that is really something.
Shows how much they want to keep us valuable customers and how far they are willing to go to achieve this.
So mark your calenders people... April 16th is Update time!!