It's updated once a day....... at night.![]()
Are you using iCloud for backup or just using your local iTunes on your computer?Theres charges at various times of the day, but that makes sense I guess.
We both went from 3gs with only 40 MB a month and with 15 days left this month we are both over 100 MB on a 200 MB plan. Im guessing it is all the cool stuff on the 4s?
This, your carrier updates all the data you used, at night. If it's a very specific night, then that's what you used through out the day.