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Free Trial

Try our unlocker free of charge by following these instructions.

We will tell you if your Treo 650 is unlockable and you can purchase your unlock code right away!

If you have any problems with the instructions or program, email us for free support, even if you haven't paid for an unlock yet.

Before You Begin

Make sure you have downloaded our unlocking program from here:

If you don't have Palm Desktop installed, install it from the CD that came with your phone, or download it from here:

Instructions for Treo 650


Video Click here to view our animated step-by-step instructions (requires Macromedia flash).

Please note that Treo 650 screenshots may vary from those pictured here.

  1. Locate your Hotsync cable. This cable plugs into the bottom of your phone and has a USB plug on the other side.

    If you don't have a Hotsync or USB cable or prefer to use a Secure Digital card, please click here to view our alternate instructions.
  2. Download the unlocking program for the Treo 650 from the link below. If your browser asks you open or save the file, pick "Open".

    Download from here (

  3. If you saved the file to your desktop, find the ZIP file (named and open it by double-clicking the file.
  4. Install the unlocking program using Palm Desktop by double-clicking on the PRC file in the ZIP file. Pick the one in the language you are most comfortable using.

    If you double-click the PRC file and you don't see "Palm Quick Install" or another Palm file install window, you may need to install Palm Desktop from the link at the top of this page.

    If you get a message that indicates you need to create a new user through Palm Desktop, launch the Palm Desktop program and create a user with your name, then try again.

    When the program comes up asking you what you want to do with the file, click OK.

  5. Ensure that you have "Local USB" selected as a Hotsync option by right-clicking on the hotsync icon in your system tray.
  6. Connect your Hotsync cable to the bottom on your phone
  7. Push the button on your Hotsync cable to start a Hotsync operation and wait for it to complete
  8. If you get the message that the connection cannot be established with the desktop computer, you may need to reinstall Palm Desktop or switch to a different USB port
  9. (Treo 650/680 only) Remove the battery from the phone, count to 10 and place it back in. (Treo 600 only) Push the reset button on the back of the phone with a paperclip or other instrument. The phone will now reboot back to PalmOS
  10. Run the program "Treo Unlock" that you installed on your phone. If you don't see the program listed, ensure that you have selected the "all" category from the top of the home screen.

    IMPORTANT: If your phone locks up or resets each time you run the program, you will need to "hard reset" the phone to clear any programs or settings that might be interfering with the unlocking process:

    → Click here for hard reset instructions

    A hard reset WILL CLEAR ALL YOUR DATA, make sure that you have a Hotsync backup or another copy of everything!

  11. Once the program has finished running, you will see your "unlock data" listed on the screen
  12. Type the unlock data into our unlocking page here and click the button to continue:

    Click here to open our unlocking page in a new window

  13. The webpage will now indicate whether you have an unlock code available. If it does not, please contact our support line
  14. If you need to purchase a registration code, you can purchase one here:

    Product no longer available.

  15. When you have verified that your phone is unlockable, purchase a registration key and enter it into the webpage
  16. Write down your unlock code and double-check that you have written it down correctly
  17. (Treo 650/680 only) Remove the battery from the phone, count to 10 and place it back in. (Treo 600 only) Push the reset button on the back of the phone with a paperclip or other instrument. The phone will now reboot back to PalmOS
  18. Turn the phone radio on by holding the red power button down for a few seconds.
  19. After turning the phone on you will either see no message, or get the message "Your phone cannot be used with this SIM card".

    If you do not have a SIM card inserted or you have inserted an invalid SIM card, you will get the message that the SIM card was not found, and the phone will not accept your unlock code until you insert a valid SIM card.
  20. Open the dial pad. It should say "No service - SOS only" or list your phone carrier's name. If it says "Check SIM card", your SIM card is missing or invalid (please see the note above).
  21. Enter your unlock code in the dial pad of phone screen exactly as shown, then press the dial button on the screen. The code should be of the form "*#*#xxxxxxxx#".
  22. The phone will then say that the SIM lock has been removed. If the phone says that the SIM lock has not been removed, ensure that the phone radio is on.
  23. Test the phone with a SIM card from another carrier to verify the unlock process.
  24. If the phone still says "No service - SOS only", use the network selection option to ensure that your frequency selection is set to "Auto":
  25. If your phone is not unlocked at this point, please contact our support line.

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