Well, let's try this again. It appears my first post was removed for some reason.
There is a serious issue with the Samsung Charge that affects either handoff from 4G to 3G network connections or simply being on a 3G connection from the start. When you try to access a website, connect to your email or do anything data intensive, you get a prompt that says "Network connectivity problem". In other words you get ZERO connection to the 3G data network.
Now I love the speeds of 4G, but if 3G is unusable with the Charge, and thus far it is, then this is simply a 'no go' situation for most people. The problem either resides in the network not properly communicating with the Charge or a more serious issue with the phone itself.
I should note that Verizon already exchanged my first Charge for a 2nd one and I am having precisely the same issues. Additionally, my wife can be sitting across me from the table with her Verizon IPhone and have no issues on any website while at precisely same time I get the "Network connectivity problem". Even rebooting the phone, pressing 'airplane mode' on and off does absolutely nothing for this issue.
I have a few more days with this and then I'll be forced to return it for a 3G only phone. This is just not a workable situation at this point. I would love to hear from Verizon on this. Tech support did not know what was going on.