This may be happening for a number of reasons.
Watching videos, movies, playing games and downloading big files can use a lot of data in a short space of time.
Make sure you check how much data you are using on a regular basis. You can do this by logging in to your dashboard.
If you still think that someone else may be using your data then please change your Wi-Fi password.
Article ID: 112
Created On: Fri, Jun 10, 2016 at 7:11 PM
Last Updated On: Mon, Jul 4, 2016 at 8:49 AM
Online URL: https://support.skinny.co.nz/article/i-run-out-of-data-very-fast-i-think-that-someone-else-may-be-using-my-internet-112.html