I've had the phone for about 5 days and I have had no issues. Probably just a software glitch specific to your phone.
You have to understand though that it is apparent that Verizon never tests their *****ty operating system on their phones. I can firmly support this statement with all 3 RAZR V3c's I have owned.
I love my u740, its awesome. Some design flaws- but overall I like it 10000x more than my RAZR. It took me like 3 days to realize you could make a period by holding down the "y" button instead of pressing "numlock + y.
Take it back to the store, complain, and they'll probably give you a replacement.
How long have you had it?