On older Android devices or iOS handsets, the *data management and notification settings might not be available. By installing a third-party application, you will have a whole range of settings available to track your mobile data usage on your handset.
Although there are many data management apps out there, we've found My Data Manager to be efficient, simple and, best of all, free*! The app differs slightly for Android and iOS, but both versions allow you to monitor your use, and set a limit to your data use. If you're on a contract, you'll also find it very useful to track your use over time, allowing you to evaluate whether you're on the right plan or could do with beefing up your monthly data allocation. My Data Manager will also allow you to see which of your apps is using your data, even in the background - this can be a big culprit in mysterious data use.
My Data Manager App (Android)
Install the app
From the Google Play store, go to My Data Manager App by Mobidia Technology. Install and run the app. Under the Summary page your mobile data usage and Wi-Fi data usage will be displayed. Note: A cycle is a calendar month.
Set data usage alarms
This sets the data limit at which you will r...