Hello Johny,
Please try to contact your Sales manager to help you with our Technical support engineers unlock your device.
If you don't have any contacts with our Sales Managers, please contact with them on our official website https://teltonika-iot-group.com/
and click on "Contact Us" button. When you will click, please fill form and submit it.
Note: as topic, please choose "Vehicle telematics".
Sorry for any inconveniences.
Best regards,
Teltonika Support