29-03-2019 08:13 PM
29-03-2019 10:01 PM
29-03-2019 11:42 PM
30-03-2019 12:21 AM
As I said you need to use a utility or app to quantify what apps are using what amount of data - then things might make a bit more sense. The network itself doesn't dictate app data usage.
Hope this helps.