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"Mobile data", roaming and APNs... I'm confused

Discussion in 'Android Devices' started by HornedDemoN, Dec 30, 2013.

  1. HornedDemoN

    HornedDemoN Lurker
    Thread Starter

    Hey there.

    Before I ask my question - I have a Samsung Galaxy S3 4G LTE (rooted with Framaroot, great tool) with Android 4.1.2. I'm on a prepaid "voucher" plan, which basically gives you a certain amount of money you can spend on calling etc. and when you've used all of it, you have to recharge (buy another voucher with a code, which gives you more money to use on your mobile phone).

    Today I made a very stupid mistake. I was using Wi-Fi at home, electricity died, my battery was low. What I did was disable Wi-Fi (through Notifications window) and checked the other settings to see if I can save battery through some other way. I saw this setting called "Mobile data" and I disabled it.

    Biggest mistake ever. All my voucher money disappeared in a flash (like literally 1 second after disabling it), I'm actually still not quite sure what happened... Apparently I activated roaming or something? Boy, do I feel stupid...

    Anyway, for my plan, this setting is unbelievably dangerous, it seems...


    My question
    : What do I need to do to prevent this from happening again?

    After inspecting the issue further, I learned about the so called "APNs". I have 2 default APNs, which can not be removed or disabled (directly, anyway).

    If I delete them, would this block charges when disabling "Mobile data"? If not, what else could I do (besides not going near this setting ever again)?


    Thanks for your help in advance.
     


  2. Rukbat

    Rukbat Extreme Android User

    The APNs are the data your phone needs to connect to the internet (and "data"). The "voucher money" is probably kept track of by the phone using a data connection, so when you lost data, you lost the ability to see how much you had. If you turn data on again, you should have what you had before.

    (If not, the company is engaging in very illegal activity, because driving through a tunnel or going into an elevator in a large building will have the same effect as disabling data.)
     
  3. funkylogik

    funkylogik share the love peeps ;)

    Cant data roaming be disabled in settings?
    Turning off mobile data shouldnt have caused the phone to roam (use another carriers network)
    What country are you in mate?
     
  4. funkylogik

    funkylogik share the love peeps ;)

    Check in Settings, More, Mobile Networks uploadfromtaptalk1388452679942.jpg
     

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The Samsung Galaxy S3 release date was May 2012. Features and Specs include a 4.8" inch screen, 8MP camera, 1GB RAM, Exynos 4412 Quad processor, and 2100mAh battery.

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