Set your data warning and limiter to something like 25% and 50% of your plan data.Turn on your data saver in your phone.Make sure you adjust your phone's data tracker for months like july and august that do not have 30 calendar days.Resist the urge to scroll thru photos unless you have put them in your gallery app.Do the same for any other app you may have that plays video content.Adjust the settings in your instagram and snapchat accounts to play video on wifi only.Turn off all background data its not needed and can waste up to 38% of your data.