My iPhone Internet won't work without Wi-Fi? - 1

I'm on a contact with T-Mobile, EE and my internet is one of my favourite things about the contract. Until just a few weeks ago (just after I updated my iPhone) my internet was working well with and without Wi-Fi, but now, all of a sudden it stopped working (unless I'm connected to Wi-Fi)! I've tried turning my phone off/on several times, I've tried removing the SIM card and putting it back in, but nothing works! I checked my allowance on T-Mobile, and it said I have unlimited internet on my phone. So I tried calling T-Mobile, but they said they couldn't do anything because I don't pay for my contract (my dad does and he's not in the country).

Resetting by using iTunes will help
Regards

A) Sometimes the cellular data stops working (usually lasts for about an hour). Give it a bit of time and see if it works.

B) This support article: http://support.apple.com/.../kb/TS3780

C) Wait for your dad to come back and stick with Wi-Fi for the time being.

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