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  1.    #1  
    I read this on Treonauts:
    I have a report from a customer that this key sequence:

    *#*#1234#

    Will unlock an ATT/Cingular Treo 650. Can anybody confirm?


    Posted by: David L. West | February 4, 2005 02:40 PM
    At least one person said that he tried it on a Treo 600 and it unlocked it!

    Try at your own risk; I'm only a messenger.
  2. #2  
    No, it is not. This is the SIM lock status code.

    GSM phones have two locks: SIM lock and subsidy lock
  3. #3  
    no. that's the default SIM unlock code, also known as the PUKcode. to unlock the treo 650, a subsidy unlock code is required.

    for more info check the GSM 650: unlocking - SIM vs subsidy sticky.
    Nokia 3585 > Moto i60c > Moto i90c > SK Color > Nokia 6820 > Nokia 6230 > Treo 600 > Treo 650 > BB 7100 > BB 7105 > BB Pearl > Treo 755p > Treo 800w
  4.    #4  
    Ah... good to know in case one locks their SIM when entering the wrong PIN 3 times.
  5. #5  
    Quote Originally Posted by silverado
    Ah... good to know in case one locks their SIM when entering the wrong PIN 3 times.
    once the wrong pin is entered in enough times, the SIM is burned, and would need to be replaced out.
    Nokia 3585 > Moto i60c > Moto i90c > SK Color > Nokia 6820 > Nokia 6230 > Treo 600 > Treo 650 > BB 7100 > BB 7105 > BB Pearl > Treo 755p > Treo 800w
  6.    #6  
    Quote Originally Posted by b0tes
    once the wrong pin is entered in enough times, the SIM is burned, and would need to be replaced out.
    Well, I have entered the wrong PIN 3 times in a SIM of mine and it was locked. I then obtained the PUK code and unlocked it for use again.
  7. #7  
    Quote Originally Posted by silverado
    Well, I have entered the wrong code 3 times in a SIM of mine and it was locked. I then obtained the PUK code and unlocked it for use again.
    i think six is the lucky number. once you've put in the wrong code six times, it will no longer request a pin or puk, but will instead read "invalid sim card".
    Nokia 3585 > Moto i60c > Moto i90c > SK Color > Nokia 6820 > Nokia 6230 > Treo 600 > Treo 650 > BB 7100 > BB 7105 > BB Pearl > Treo 755p > Treo 800w

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