Unexplained data usage peak

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Fun Bus

Original Poster:

17,911 posts

219 months

Monday 29th September 2014
quotequote all
I've just learnt my most recent mobile phone bill is carrying an additional £30 of data charges as I went over my allowance. If I felt I had used this data, I'd hold my hands up and pay it. Having looked at my usage though, something isn't right and even one of the tech guys at T-Mobile is baffled.

There is a period of about two weeks where my data usage is 40-55mb per day. Both before, and after this peak I'm showing as using less than 20mb per day.

Nothing changed in this period with regards to usage. I'm on Wi-Fi at home, in my local and when working use my phone for calls and texts as I'm too busy for anything else!

Has anyone else had this? I've T-Mobile looking into it further as it goes against my 'normal' pattern.

Fun Bus

Original Poster:

17,911 posts

219 months

Monday 29th September 2014
quotequote all
I've an iPhone 4S, and have paid the additional charges as I don't see the point in not. I've no way of monitoring my usage as I never reset my usage stats.

I'm more intrigued than anything.

Fun Bus

Original Poster:

17,911 posts

219 months

Monday 29th September 2014
quotequote all
I've turned auto play off for Facebook - both for cellular and wifi.

Since I reset my data usage, my ohone has now used 4.5mb of data in a couple of hours. Not unusual except I've not actively used anything requiring data. Therefore, it must be in the background somewhere.

Fun Bus

Original Poster:

17,911 posts

219 months

Monday 29th September 2014
quotequote all
BlackST said:
iOS8? With the new update even if you were receiving iMessages over wifi I believe that it was still using celular data. Same with sending pictures.
Yes, iOS8. Sorry for being stupid, I don't understand what you're telling me I'm afraid.

Fun Bus

Original Poster:

17,911 posts

219 months

Tuesday 30th September 2014
quotequote all
Could be that then. In 24hrs I've now used 2.5mb of cellular data - I've not been on wifi for a total of 5 hours and during that did nothing that would have used anything like. In fact, whilst I was asleep last night, I used 500kb of data apparently.

Odd, determined to try and get to the bottom of it though.

Fun Bus

Original Poster:

17,911 posts

219 months

Tuesday 30th September 2014
quotequote all
The reason I'm digging deeper is because I went over my allowance by 300MB which has cost me the best part of £30. I'm not disputing the charge, I've paid that but I'm very curious as to how it happened.