Originally Posted by
archer75 My wife's s4 on AT&T seems to want to use data even on wifi. Tonight at an event at the high school with the kids data usage skyrocketed for google+. She was taking photos and videos. However google+ is ONLY set to backup on wifi. Which she was connected to the entire time. Why would it use up all the data when it's told not to use the data network and she was on wifi?
There were also several texts, including some from AT&T warning about data limit, that she did not receive there but rather a half hour later when driving home.
Cross check that i don't think that will be only on wi-fi but i guess i would be set into using the both Wi-Fi as well as data connection, So now i can figure out what will be happening with you all the time, She might have slicked the photos and videos and all will be backup at the cloud. And yes about Wi-Fi the signal may be weak and because of that it may have uploaded all the data using the Mobile data only.
If you still stress on that you have configured it properly then i don't think your data is being used i think you should have a look at your applications installed because there are many application that automatically use the data connection to update themselves !!