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  1. bajajoe's Avatar
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       #1  
    I bought an unlocked Cingular gsm Treo 650 and want to update firmware. I want to know if I do this will it revert back to locked.I have the unlock code .Any one done this my carrier is Tmo and they are pretty good for the $20.00 bucks unlimited data and email. I dont want to change things , if I'll screw up the phone.
  2. #2  
    If it's truly unlocked then it will stay unlocked
    Palm III > HS Visor > Treo 600 > Treo 650 > Treo 750 > Treo Pro > PrePlus GSM

    "95% of all software issues are due to USER ERROR."
  3. #3  
    Mine was unlocked, prior to the upgrade. And it remains unlocked. Worst case, just call them up and get them to send you another unlock code - though the original one they sent would probably work again.

    Dunc
  4. bajajoe's Avatar
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       #4  
    Cingular will not unlock my phones they are d..ks. Did you buy a treo from a private party like me. I bought it from ebay as tmo still does not have them. ps in my area t mo is as good as or better than cingular /att. I wish I bought it unblocked from palm direct but at the time it was $150.00 more.then I got a 20% discount coupon from palm the next day after I bought it on ebay, oh well.

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