Hello Barbercia,
Good day. Thank you for your question.
For FM5300, you may click the link at the bottom of the page here -
https://teltonika-gps.com/product/fm5300/
As for FMB202, we would like to inform you that we do not share firmware files/updater and other files in the community forum.
To receive firmware files, updater, and documentation on devices, please contact your sales manager or reach out to us via the VIP Helpdesk. If you don't have any contacts with our Sales managers, please contact them on our official website
https://teltonika-gps.com/ and click on the "Contact Us" button. When you will click, please fill out the form and submit it.
Note: as a topic, please choose "Vehicle Telematics" or you can send an e-mail with the description of your situation to info@teltonika.lt
Thank you in advance.
Kind regards.