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UNLOCKING INSTRUCTION

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Model : Treo 650/680 / Centro

 

1. Remove Treo battery, unplug cable
2. Insert incorrect SIM card (1 the phone does not accept )
3. Power on your Treo, Sim not allowed is displayed, click ok
4. Go to the dial pad, and use the stylus to enter code *#*#CODE#. Then press Dial
5. 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.