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Thank you very much for contacting us.


You can send the (“cpureset” and) “sdformat” SMS commands to the device. Ref.: FMB920 SMS/GPRS Commands

If the issue persists – please contact your sales manager so we can better analyze the issue and provide a solution.

If you do not have any connection with our sales managers, please contact us via our official website:

- Go to,

- click the "CONTACT US" button at the bottom right of the page,

- fill the online form

- and submit it.

Please select "Telematics" as the topic.

Alternatively, you can send an e-mail with a detailed description of your situation to

When contacting us, please follow these recommendations:


Best Regards,