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  1.    #1  
    The Fundamental Questions
    Is there any difference between a GSM Treo 650 purchased unbranded and a branded one that has been unlocked via code? (Other than the stenciled logo above the screen that is )

    And a follow up...
    Will a code-unlocked Treo be able to use the same software and firmware upgrades/flashes as an originally unbranded one?

    Thanks in advance.
    -Mer

    PS Great site here, I tried a search and was unable to find a clear answer to this question.
  2. BrettS's Avatar
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    #2  
    The firmware will be different. Generally (in the US, at least) Cingular seems to be the only carrier that will unlock Treos for their customers, so if you go that way you'll have Cingular firmware on it. As far as I know, however, the actual hardware is identical.

    Theoretically you're not supposed to be able to switch from one firmware 'type' to another, but there are instructions on here about how to switch from the Cingular firmware to the unbranded firmware by first flashing to a beta version of the unbranded firmware, then to the latest unbranded firmware (and apparently you can go the other way too)

    So, you could get a subsidized Cingular phone and have them unlock it, then use the instructions here to put the latest unbranded firmware on it and have (short of the logo) an unbranded unlocked Treo.

    HTH,
    Brett
  3. #3  
    according to the shadomite crew, the antennas are different based on carriers. Each antenna has to be tuned specifically to the frequency that carrier uses. Also, of course, the cases are different colors.

    An unlocked phone will still work on any network that supports it, but not *as well* as a phone native to that carrier.
  4. #4  
    Quote Originally Posted by sam-i-am
    according to the shadomite crew, the antennas are different based on carriers. Each antenna has to be tuned specifically to the frequency that carrier uses. Also, of course, the cases are different colors.

    An unlocked phone will still work on any network that supports it, but not *as well* as a phone native to that carrier.
    So having a Cingular branded Treo and then having it unlocked via code would hypothetically work better than a totally unbranded GSM Treo if either was trying to connect on Cingular GSM. Did I get that right?

    That was my impression, so this is news to me.
    VVVVVVVVV
  5. spiVeyx's Avatar
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    #5  
    Sam, I've never heard about carriers "tuning" a handsets antenna so that it is better suited for their network. Are there any supporting posts/articles you could point me to?

    From what I've been told and read, a GSM handset is never "tuned" for a particular network, but rather may only operate on certain frequencies and locked to a particular carrier.

    Any more info you could provide to support your previous post would be great
  6.    #6  
    So what are the pros and cons of:

    Buying a Cingular branded phone and unlocking it
    Activates DUN, but might have friction getting the unlock code. BTW Cingular just told me that they do not offer these codes.

    Buying an unbranded phone to use on Cingular's network

    Thanks,
    Mer
  7. spiVeyx's Avatar
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    #7  
    ^ Cingular DOES offer unlock codes to individuals that have had service with them more than 3 months (I may be wrong, it may be more than 30 days).

    If you do end up purchasing a Cingular-branded T650, I can provide you with the number to call; I have had THREE handsets unlocked by Cingular so far.
    Last edited by spiVeyx; 09/09/2005 at 04:22 PM.
  8. #8  
    If and when you sell your 650, will an unbranded 650 be worth more than an unlocked Cingular 650?
    Apple iPhone 8GB
    Apple 15" Macbook Pro 2.33 Ghz C2D
    Retired Treo 650
  9. #9  
    If ebay is a guide, then an unbranded phone will fetch the most, with an unlocked Branded one less and at the bottom a Locked Branded phone the least (even thogh you can unlock a branded 600 for 2-3 & a little time. This is based on my experience of buying & selling Treo 600's in the UK - with Orange UK being the only branded supplier.
  10. #10  
    Try this thread:

    http://shadowmite.com/forum/viewtopi...er=asc&start=0

    The reason is that different frequencies are different physical lengths. If I understand correctly, a 1800Mhz signal has a certain length, and the best antenna must be the exact length, or a common denominator of two frequencies that are used. Any of the different antennas will work, just the ones tuned for specific carriers will not work as well for some different carrier.
  11. #11  
    Guys, I want to get a Treo 650 in the next few days.

    Is there a difference between these two phones besides the unbranded one

    being unlocked? More or less software on one or the other, etc?



    Thanks in advance;

    Guillermo Pico-Munoz
  12. #12  
    <merged>
    V > Vx > m505 > m515 > T/T > T3 > TC > 650 > 680
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    <a href="skype:wwgamble?call"><img src="http://mystatus.skype.com/balloon/wwgamble" style="border: none;" width="150" height="60" alt="My Skype status" /></a>
  13. #13  
    So no software difference at all?

    Guillermo
  14. #14  
    Quote Originally Posted by lospico
    So no software difference at all?

    Guillermo
    Read post #2...
    V > Vx > m505 > m515 > T/T > T3 > TC > 650 > 680
    <script type="text/javascript" src="http://download.skype.com/share/skypebuttons/js/skypeCheck.js"></script>
    <a href="skype:wwgamble?call"><img src="http://mystatus.skype.com/balloon/wwgamble" style="border: none;" width="150" height="60" alt="My Skype status" /></a>
  15. Camel's Avatar
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    #15  
    Cingular uses T-mobile towers here in new york . i Might be in luck after all.
  16. #16  
    Quote Originally Posted by sam-i-am
    The reason is that different frequencies are different physical lengths. If I understand correctly, a 1800Mhz signal has a certain length, and the best antenna must be the exact length, or a common denominator of two frequencies that are used. Any of the different antennas will work, just the ones tuned for specific carriers will not work as well for some different carrier.
    Actually, the thread you referenced is wrong - CDMA *does* use 1900 in the US. We can't use 1800Mhz for cellular (I forget who is squatting on the spectrum.) Futhermore, Cingular Treo and Unbranded Treo are both marketed as quad-band so they can use 850/900/1800/1900Mhz. (For what it's worth, my Treo worked way better in the UK than it ever has here.) I suppose it's possible for the CDMA and GSM Treos to have different antennas, but I'd be willing to bet that the Cingular/ATT Treo and the Unbranded Treo are identical.
  17. #17  
    Quote Originally Posted by spiVeyx
    ^ Cingular DOES offer unlock codes to individuals that have had service with them more than 3 months (I may be wrong, it may be more than 30 days).

    If you do end up purchasing a Cingular-branded T650, I can provide you with the number to call; I have had THREE handsets unlocked by Cingular so far.
    I think its 2 months, but i could be wrong. I also had mine unlocked. Cingular does offer these codes.
    iPhone in the Washington DC area.
  18. #18  
    how do you get a code out of them? I asked and they said they couldn't give the codes out.
  19. #19  
    Quote Originally Posted by sam-i-am
    how do you get a code out of them? I asked and they said they couldn't give the codes out.
    They're nasty liars.

    http://discussion.treocentral.com/sh...ad.php?t=72603
  20. #20  
    Quote Originally Posted by sam-i-am
    how do you get a code out of them? I asked and they said they couldn't give the codes out.
    I just called them and asked for it. I did have a minor complaint about how international roaming wasnt working right away while I was in China, but I dont think that had much to do with it. They actually seemed like it was no big deal. Just tell them you are going to be traveling internationally and you need to use a foreign SIM.
    iPhone in the Washington DC area.
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