Just went into the Bionic forum and saw your post there. If its losing 3G...I have the RAZR, I had the G Nex, have the Rezound now...and all 3 suffered from some type of data issue. Out of the 3...my RAZR is more reliable or whatever happens I can fix it with a toggle. The Rezound a reboot fixed it and the G Nex nothing did.
Since they are basically the same phone IMO....whatever is happening with the Bionic either can happen with the RAZR too or an update can fix it. Or an exchange can fix it. After the .173 leak for the RAZR, data issues have gotten alot better. What update are you on for the Bionic? I just relaized that they do both have different firmware number setups...the RAZR is on or will be on .173 soon. The Bionic is on .903? I dont think it can be that much of a difference tho between the 2 phones tho.