Configuration file schould be prepared with apriopriate configurator version for your device. Please check firmware version of each device (getver command). If config file has been prepared with configurator that is suitable for newer firmware then your device has, it may be not accepted.
Current firmware version for FM11YX and FMA1YX is 01.27.32.Rev.00
Configurator version 220.127.116.11
If you don't have current configurator and firmware versions please contact with your Sales Manager. If you don't have any contacts with our Sale managers, please contact with them on our official website https://teltonika-gps.com/
and click on the "Contact Us" button. When you will click, please fill the form and submit it.
Note: as a topic, please choose "Vehicle telematics".
Or you can send an e-mail with description of your situation to firstname.lastname@example.org