Possible to switch back and forth between 2G and 3G/3GS

Discussion in 'iPhone Tips, Help and Troubleshooting' started by Roy Hobbs, Jun 17, 2009.

  1. Roy Hobbs macrumors 68000

    Roy Hobbs

    Joined:
    Apr 29, 2005
    #1
    Anyone know if its possible to switch between using a orginal 2G and 3g or 3GS??

    Might be useful in situtations where for camping/biking etc...when I don't want to take my shiny new toy
     
  2. r6girl Administrator/Editor

    r6girl

    Staff Member

    Joined:
    Sep 6, 2003
    Location:
    Massachusetts
    #2
    Yes, as long as both phones have been activated and/or unlocked. I have a first-generation iPhone that I purchased used that is my back-up phone for snowboarding and other outdoor activities. I jailbroke and unlocked it and it accepts the SIM card from my 3G with no problems. I sync it via iTunes just as I do with my 3G though I choose a different selection of apps and music to go on it.
     
  3. AiralynRose macrumors 6502a

    Joined:
    Jun 3, 2008
    Location:
    Pittsburgh, PA
    #3
    You shouldn't have to do anything to the phone other than swap your sim card (assuming you are using AT&T like you're supposed to).

    You might want to double check your AT&T account when you switch just to make sure you have the $30 data plan when you go back to the 3G. I'm not sure if it will switch itself or not.
     
  4. question fear macrumors 68020

    question fear

    Joined:
    Apr 10, 2003
    Location:
    The "Garden" state
    #4
    Except that some iPhone updates (like 2.2) will deactivate your phone if your SIM isn't inside. So a properly activated first-gen that was in airplane mode with no SIM becomes deactivated if you update it. I learned that the hard way and just jailbroke it to activate it so I could continue to use it as an iPod Touch.
     

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