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Discuss Two iPhones - 3g and 2g. Will 3g work on 2gs data plan. at the iPhone 3G - Hackint0sh.org; Hello, I am a at&t user and I have a 3g iphone which i am ...
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    Default Two iPhones - 3g and 2g. Will 3g work on 2gs data plan.

    Hello,
    I am a at&t user and I have a 3g iphone which i am extremely unhappy with the 3g coverage. I switched back the the 16gb 2g iphone and went through the itunes activation to change back to the $20 data plan + $10 txt msg. My question is - Can i pwn the 3g iphone and then just use the 3g iphone, turn off 3g and continue to use it with the $20 data plan. I would only like to do this in order to keep the gps functionality.

    Any help would be appreciated. Thank You.



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    Yes you can.

    I got a PAYG AT&T GoPhone SIM and set it up with my 2G phone including $20 MediaNet package. Everything worked perfectly including EDGE, with no setup of APN required. When I got my (USA locked AT&T non-contract ebay) 3G phone, I simply put the SIM into it and it works perfectly including 3G (and EDGE when 3G signal poor).
    I regularly switch the SIM back and forth with no issues. Both phones Pwn'd (2G fully unlocked, jailbroken and activated; 3G jailbroken only and iTunes activated)

    Simple answer: you can go back and forth as you please.
    Hope this helps.

    2G: 2.0.1, jailbroken, activated, unlocked (will update one day but this is test phone)
    3G: 2.0.2, Pwn'd. Jailbroken, and iTunes activated. Locked to AT&T...
    SIM: USA AT&T Pay-as-you-go GoPhone with $20 MediaNet.

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    This does not seem to be working for me. Maybe you are only able to do such since you have a pay-as-you-go sim.

    I activated my 2g as normal through itunes. Then i pwned the 3g.

    When i remove the sim from the 2g and insert it into the 3g iphone it does not pick up a signal.

    Am i missing something or do i need to install some sort of patch?

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    A critical part of the Pwn process on the 3G is to *NOT* set the "activate' option as this will cause you to lose carrier signal. If you did do that when you made your custom firmware then you need to make a NEW custom firmware and NOT set that. Re-restore with iTunes and you should be able to pop in the SIM. I have never tried this with a 'contract' AT&T SIM but dont see why it would not work just as it does for PAYG ones. But make sure you did NOT set the Activate option and then let us know how you get on.

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    2g sim will not work on the 3g iphone .. this could be because of various reasons .. sometimes.. it may see it was an invalid (locked) sim.. sometimes it may work fully but no 3G for sure..


    3g sim WILL WORK on 2g iphone - Everything works.. just NO 3G
    http://unlock3g.org - support the iPhone 3G unlock!

    iPhone 3G 16GB White 2.0.2 - Testing Various xSim Cards

    iPhone 8GB - 1.1.4 - Unlocked / T-Mobile


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    Thanks for all your responses

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    Quote Originally Posted by razo168 View Post
    2g sim will not work on the 3g iphone .. this could be because of various reasons .. sometimes.. it may see it was an invalid (locked) sim.. sometimes it may work fully but no 3G for sure..


    3g sim WILL WORK on 2g iphone - Everything works.. just NO 3G
    Are you sure? I have my old 2G sim card in my 3G phone and everything is well...

 

 

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