Jan 7 2015, 10:56 AM
U should try totally off the data line & check is there any loss data.
Possibility is background application:
1. Whatsapp
2. Facebook
3. Email
4. Playstore
Better off, do your phone setting have the "Data Usage" section?
It shows clearly of your data used on which application.
Hotlink Mobile Internet Plan Stealing My Data, Hotlink Said They Cannot Do Anything
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