Originally Posted by
javabytes
Better yet - turn off background app refresh altogether. Only let apps use data when you're using them. Switch the cellular data connection off altogether when you're not using it. Also, make sure you have app auto-update switched off. Finally, make use of available wi-fi networks anywhere you go. 120MB of data has been more than sufficient to get me through two weeks on an iPad.
a bit different. The background app refresh and the use of cellular are a bit discreet functions. While good to turn off background app refresh, I think it would be better to just turn off apps access to cellular regardless so they can never really us it without one explicitly turning it on.