2) Install the unlocking program using Palm Desktop by double-clicking on the PRC file

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 download and install Palm Desktop. Click here to Download Palm Desktop 4.1.4e. 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.

3) Ensure that you have "Local USB" selected as a Hotsync option by right-clicking on the hotsync icon in your system tray.

4) Connect your Hotsync cable to the bottom on your Treo. Push the button on your Hotsync cable to start a Hotsync operation and wait for it to complete

5) 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.

6) Turn your phone radio off by holding the red power key for a few seconds

7) 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 "unfiled" category from the top of the home screen (or ensure that you have selected the "all" category from the top of the home screen).

9 - Once the program has finished running, you will see a memo named "Unlock Data" in your memos application

10) Hotsync your phone with your PC or Mac

11) Locate the memo named "Unlock Data" in Palm Desktop

12) Copy the unlock data from between the markers (they will appear as "--8<--") and submit it along with the other requested info using this online form: http://www.unlockmotorolas.com/treoform.html

13) You will be able to retrieve your unlock on the website when it's ready. All orders are always processed within 24 hours

14) We will email you back your unlock code

15) Once you have received your unlock code, remove the battery from the phone, count to 10 and place it back in. The phone will now reboot back to PalmOS. If you have a Treo 600, push the reset button on the back of the phone with a paperclip or other instrument. The phone will now reboot back to PalmOS

16) Turn the phone radio on by holding the red power button down for a few seconds.

17) If you have your SIM card inserted, you will then get the message that the SIM card is not allowed and you may continue.

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.

18 - Open the dial pad. It should say "No service - SOS only". If it says "Check SIM card", your SIM card is missing or invalid (please see the note above).

19 - 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#"

20 - 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.

21 - Test the phone with a SIM card from another carrier to verify the unlock process

22 - If the phone still says "No service - SOS only", use the network selection option to ensure that your frequency selection is set to "Auto"