I'm new to the smartphone world, so please relieve me from any grief, and feel free to assume that I don't know ANNNNY thing.
I have a Galaxy S5, and had this for 2-3 months now. In a span of 7 days (recently ) i've used 5 WHOLE GB! FIVE GB! I believe around this time, I realize that I wasn't using my home connection (an accident) i'm using it again. Is this the reason why i've lost 5GB in 5 days? That and… Besides using YouTube a whole lot.
Read more:
If I use my home wi-fi connection on my smartphone, will that use any of my data?