How can i get my iphone internet to work after updating to iphone 4?

Discussion in 'iPhone' started by Reubeni, May 22, 2012.

  1. Reubeni, May 22, 2012
    Last edited: May 24, 2012

    Reubeni macrumors newbie

    May 22, 2012
    I have a Iphone 3G and I've had it since around when it first came out.About 3 days ago i updated to Iphone 4 and now the internet wont work apart from WI-FI.I always have full network and the 3G sign so i have full internet connection but every time I try and connect it says you are not subscribed to a cellular data service,the internet has been working perfectly before the update.PLEASE HELP!
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  2. DroidRules macrumors 65816

    Aug 10, 2010
    1. Restart phone. If it doesn't help go to step 2.

    2. Settings, reset, reset network settings. If that doesn't help go to step 3

    3. Hook up iPhone to iTunes and re-install OS.

    Good luck.
  3. quietstormSD macrumors 6502a


    Mar 2, 2010
    San Diego, CA
    It won't work without wifi unless you put your iPhone 4 sim (with adapter so the micro sim fits the sim tray/slot). This is because your cell carrier deactivated your old sim when you got your new phone with a new activated sim

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