What do I need to upgrade to 3GS?

Discussion in 'iPhone' started by sugarcanes2004, Mar 7, 2011.

  1. sugarcanes2004 macrumors newbie

    Joined:
    Mar 7, 2011
    #1
    OK sorry I'm late to the party, but I am still using the original 2G Iphone and want to upgrade.

    Problem is, I don't want to upgrade through AT&T and was planning on purchasing an iPhone 3GS from ebay and using that.

    I've read through some threads on here that say that I WILL be able to use my 2G SIM card in the used 3GS I purchase, but I had a few questions.

    Most notably, do I need to purchase an "unlocked" phone off ebay, or will any 3GS work? Most of the auctions I see are for used 3GS's, and I assume I can just put my sim card into this phone and it will work correctly. Is this an accurate assumption? Will I have to activate the phone at all to get it to work, or can I just power it on, put my SIM card in, and it'll work just like my 2G does now?

    Thanks a ton for any info.
     
  2. Reach9 macrumors 68020

    Reach9

    Joined:
    Aug 17, 2010
    Location:
    In America
    #2
    Don't want to upgrade through ATT? Then wait 3 more months for an iPhone 5 and just buy it unlocked?

    I don't see the point buying a 3GS which will soon be obsolete in a few months.

    But if you're set on getting a 3GS, then you can get it from eBay, and unlock it yourself (YouTube it).
     
  3. sugarcanes2004 thread starter macrumors newbie

    Joined:
    Mar 7, 2011
    #3
    Well my reasoning was that I've been hearing the iPhone 5 won't be out until September and I really didn't want to wait that long. My first-gen iphone is on it's last leg. But I was planning on upgrading through AT&T once the 5 comes out, but I wanted something to hold me over in the meantime. The 4 is pretty expensive on ebay, but I can get a 3G or a 3GS for around $175-$200.

    But thanks alot for the response...I just wanted confirmation that the phone actually has to be unlocked BEFORE you put your own SIM card in it. I knew for certain it had to be unlocked to use a different provider's SIM in an iphone, but I wasnt sure since I already have an AT&T SIM card in my 2G phone.

    So if I purchase a phone off ebay, it should be able to be unlocked without activating it or anything like that, then I can use my SIM card in it and it'll work fine?
     
  4. Small White Car macrumors G4

    Small White Car

    Joined:
    Aug 29, 2006
    Location:
    Washington DC
    #4

    Just make sure it's not locked to some carrier in some other country.

    But if it was used as an AT&T phone before then it'll be fine. It won't matter that it's locked to AT&T since you're still using it on AT&T. Just put your SIM card in and then plug it into iTunes and restore it from the backup of your old phone.
     
  5. Bakakage macrumors 6502

    Joined:
    Jun 18, 2009
    #5
    Criagslist is always an option if you wanted to test out your sim before buying it.
     

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