iPhone on AT&T with no data

Discussion in 'iPhone' started by anteater12, Jan 10, 2010.

  1. anteater12 macrumors newbie

    Jan 10, 2010
    I looked and looked, but couldn't find the answer to my particular situation.

    Ok so, I had an AT&T phone with voice and $5 sms, no data.
    I bought a used iPhone 3G off craigslist.

    I've been using it unlocked fine for 1/2 a month now, but there's problems with jailbreaking/unlocking and the phone seems to lag.

    so, I this is what I want to know: Is it possible to restore the phone, just put my at&t no data sim in there, and have it work?

    ps: i had accidentally restored the iphone once with the sim in there, and it said "iPhone activated" or something like that. And the iPhone shows up on at&t's website as my phone, but no data plan automatically added or warning texts yet.
  2. Gav2k macrumors G3


    Jul 24, 2009
    From what others have said AT&T will know and send txts about changing you plan which you can ignore.

    Personally I would take a plan out the full potential of the iPhone isn't released till the correct data plan is active tbh.

    Oh and yes jb an iPhone and it does slow down I you get carried away installing junk.
  3. SpaceKitty macrumors 68040


    Nov 9, 2008
    Fort Collins Colorado
    Yes it will work and activate just as it did before. 3G and 3GS iPhones will activate with any AT&T sim in them, even without a data plan.
  4. anteater12 thread starter macrumors newbie

    Jan 10, 2010

    Thanks for the quick response.

    I'll try using the sim by itself. I dont need the plan because my university has free wifi everywhere.
  5. bmcgrath macrumors 65816


    Oct 5, 2006
    London, United Kingdom
    And when you leave the campus....?

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