Why is my bill going up on my iPhone phone data?

Ok so my mom always gripes at me for me using to much data which I don't even use that much estimated 3 to 400 MB and our plan is 10 thousand I don't understand and she says I go over 40 dollars how?

What does this have to do with Computers? If its your Phone data get with your cell phone carrier. They should handle your billing issues.

  • Why is my phone bill gone up higher? So my iPhone bill was at $25 and it increased up to $150 and now I have to pay $180. I barely do anything on my phone except go on social media s, please answer as soon as possible!
  • Why does my iphone keep going over my data? I check my data at least once every day or every other day when i go on it when i'm not home.today i checked it and i wasn't on anything and has everything closed and it told me i used 188.02 of 200. I got home about an hour later and i got a message from att saying i went off my data by 7. I don't know how it keeps doing this. Or why? When i'm home i'm connected to Wi-Fi. Why is it doing this cuz i don't want to bay a $300 phone bill again Iphone 4
  • Why does my bill keep going up? I have an iphone 5s and i have unlimited everything and i'm on contract! However my bill keeps going up quite high and i never call anyone or hardly text why is this?
  • Iphone going overseas do not want to have large bill? Ok, so I'm going overseas later today. I have my Iphone however I do not want to get a big bill or have any charges, I just want to use my Iphone like an Ipod (to watch movies and listen to music etc). How should I do this so that I do not get any charges overseas?