Unlock: How to unlock Palm Treo, Unlock instructions Palm treo all models

How to Enter Unlock Codes on Treo 180, 270, 750:

Switch ON your phone without SIM Card.
Compose : *#*#CODE# (substitute the word "code" with the unlock code we gave you).
or

Switch ON your phone with a not allowed SIM card.
Enter the unlock code.
Important Note: On some models the Num Lock is not automatically enabled so make sure it is ON before entering the unlock code.


How to Enter Unlock Codes on Treo 750: (alternative instructions):

Please insert a not allowed SIM card.
Place the battery and the cover, windows will boot automatically.
Turn on the phone by pressing the front upper-right red button on the keypad.
The phone will ask for the unlock code.
Pull out the stylus at the back of the phone, tap the keyboard icon at the center-bottom of the screen.
Enter the unlock code by tapping your stylus on the screen keyboard. Then tap OK.
Your Palm Treo phone should be unlocked by now.
or

Switch ON your phone with allowed SIM card.
Go to menu and select "Phone Tool" or "Phone Application"
Type on virtual keyboard *#*#CODE# (substitute the word "code" with the unlock code we gave you).
Select with PEN "Number" and phone will show that it's unlocked.



How to Enter Unlock Codes on Treo 650, 680, Centro:

Remove Treo battery, unplug cable
Insert incorrect, a not allowed SIM card (one the phone does not accept)
Power on your Treo, “Sim not allowed” is displayed, click “ok”
Go to the dial pad, and use the stylus to enter code *#*#CODE#. Then press “Dial”. (substitute the word "code" with the unlock code we gave you).
Phone will reset and display “sim lock removed”



Ensure you enter the codes in this manner *#*#CODE# (e.g. *#*#12345678#)


Troubleshooting:

Error Message: "The SIM Lock has NOT been removed from this phone"

Solution 1: Please make sure you are entering the correct code and enter it using this method *#*#CODE# dial

Solution 2: If the phone says that the SIM lock has not been removed, ensure that the phone radio (wireless mode) is on.


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