AT&T usage doesn't add up

[Hagan#1]

I reset my data usage on my iPhone 4S the day before the 12th of November. My bill cycles on this day.

My phones says I've received 799 mb and sent 103 mb for a total of 902 mb.
My AT&T app says I've used 1192.45 mb. Way over what my phones says!!!

What the hell is going on?? Any body having this issue.

 

[_heatherly]

Mine does the same thing. AT&T reports I've used more than my iPhone does.

 

[phillies20]

Actually, mine is very close.. Its always been very close so I'm cofortable with what my phone says. Weird..

 

[dj2big]

Maybe mms adds it on AT&T but not on iphone