FM 5300 update error

I have a FM 5300 tracker
After updating it, the device does not start and the status light flashes constantly and quickly
What should I do?


Good day, I believe that the device needs to be flashed, in this case kindly contact your sales to get support from us.

If you don’t have any contact with our Sales managers, please contact them on our official website and click on the “Contact Us” button. When you 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 us: Teltonika - IoT, Internet of Things When contacting Us, please provide: IMEI/Logs/Configuration file/Intenational GSM number/Firmware version/ect , please follow