FMC650 Firmware Changelog

Introduction

We are always improving our devices performance, stability and reliability. That’s why Teltonika is one of the leading GNSS trackers manufacturers in the world.
This document describes FMC650 devices firmware improvements, changes, new features implementations as well as current firmware release version.
Important: Please visit Product Maintenance Policy for detailed firmware update policy.

Firmware versioning

• Structure

FMX[##].VER.[XX].[YY].[ZZ].Rev.[##] _[ID###]

Syntax description

• FMX[##] – Specifies the device model compatible with the firmware version.
• XX – major FW version.
• YY – branch number, shows major changes in firmware, i.e. new module support added or new major feature added.
• ZZ – major changes like bigger fixes, improvements and new features addition.
• ## – minor changes like small fixes and improvements.
• ID[###] – Spec ID KEY – Specific clients FW changes.

Firmware versions

FIRMWARE VERSION	RELEASE DATE	CHANGES
03.01.00.Rev.14	2025.05.27	Features Improvement: Enhanced MQTT functionality for reliable data transmission to AWS over RS232/RS485 TCP/UDP link modes. Improved MQTT command handling for sending and receiving GPRS commands via AWS servers Resolved issue with the tracker not sending beacon data to Azure IoT. Fixed an issue where the tracker failed to send beacon records exceeding 1024 bytes over UDP. Updated odometer logic for more accurate total distance tracking. CAN/Tachograph Improvements: Stability improvements for handling CAN bus message overflow. Enhanced accuracy of FMS Eco-Driving metrics: total distance and fuel usage. Improved detection of driver state change events from the tachograph during sleep mode. Fixed issues where FMS and Manual CAN functions were not operating as intended. Corrected logic for Manual CAN command timing: Commands now respect the configured timeouts. Removed extra transmissions beyond the configured count. Ensured correct data transmission even with data masks < 8 bytes. General Improvements: Fixed incorrect handling of spaces in APN usernames and passwords. Fixed an issue with FOTA Web configuration downloads being unsuccessful. Resolved issue where data link was closed after 30 seconds unexpectedly. New Implementation Added new SMS/GPRS commands for accessing FMS Eco-Driving accumulator data. Introduced support for Codec 14 GPRS commands.
03.01.00.Rev.09	2025.03.15	New Features: Added FMS ECO Driving functionality Added DM1/DM2 reading functionality Added Manual CAN Requests functionality Added Manual CAN Commands functionality Added NMEA2000 functionality Added for electrical vehciles (EV) FMS parameters Added ISOBUS agricultural vehicle reading functionality Added MQTT support for IoT Azure and AWS Added TLS functionality General Improvements: Stability improvements Connectivity improvements
03.00.17.Rev.06	2024.12.09	New Features: Introduced a new filter to accept only DDD messages. Added DOUT pre-activation for the Immobilizer feature. Implemented a tachograph auto baud rate detection feature. Reworked accelerometer calibration and recalibration algorithms. Added new IO Elements: Tachograph IO element: Border crossing info Kline d8 privacy mode Vehicle load type info Driver1 last load unload operation time info Driver2 last load unload operation time info Driver private data consent Tall Tale 4 IO element. IMEI IO element. No SIM counter IO element; Detailed LTE signal IO element. Added a new SMS command "klinecheck" Connectivity Improvements: Improved network connectivity algorithm. Improved SIM detection algorithm. Improved operator search algorithm. Resolved slow execution of GPRS/SMS commands. Added APN checks to identify IPv6 or IPv4. DDD Download Improvements: Improved DDD files downloading from EFAS GEN2 tachographs. Improved tachograph message buffering for stable communication. Improved auto tachograph address selection algorithm. General improvements to DDD download stability. General Improvements: Data Handling: Improved DATA reading via J1708. Improved CAN data reading stability. Stability improvements for CAN adapter communication. Improved tacho data reading from the K-line. Record Management: The last known location when the GPS is lost will be saved, ensuring record continuity when configured to save after the position fix. Improved record handling and transmission to duplicate servers. Improved periodic record-sending logic. GNSS and Tracking: Improved GNSS packet validation for better tracking quality. Improved static navigation filter activation after restarts. Additional Improvements: Updated fuel-level multiplier for CAN adapter. Improved manual geofence feature. Improved FMS data validation and auto baud rate detection algorithms. Improved BLE feature performance. Improved tachocheck response by including the following: The tacho address, CAN speed, and ignition status are included in the tacho check response. CAN_x:100 will be returned when incorrect tacho addresses are configured. The device will respond to the tachocheck command during DDD download tasks. Stability improvements
03.00.15.rev.09	2023.12.14	*NEW! ALL-CAN300 support added via RS232 Configuration saving to memory algorithms improvements Track (static navigation) stability improvements Home mode with Roaming/Global operator connection algorithm improvements GPRS activation status information improvements Data socket opening algorithms improvements Data sending improvements GPRS PAP/CHAP algorithms improvements Tachograph data source priority algorithms changes Tachograph data receiving/reading improvements DDD download stability improvements K-Line data receiving improvements CAN termination parameter configuration via SMS BLE records sending improvements Crash functionalities algorithms improvements WEB FOTA stability improvements Stability improvements
03.00.14.rev.11	2023.08.22	*NEW! Smart Tachograph Generation 2 Version 2 support added CHANGED! FM65 Record size increased to 1004B Live IO shown in configurator for Stoneridge tachograph Euroscan thermographs communication improvements Data socket opening improvements 1wire features stability improvements FMC650 PAP/CHAP GPRS authentication improvements J1708 functionality stability improvements Modem working stability improvements Communication with FOTA WEB improvements on device startup and receiving configuration
03.00.14.rev.01	2023.05.30	*FMC650 High frequency on DIN inputs improvements FMC650 record counting for getinfo SMS command GNSS dual band mode improvements RPM calibration on low frequencies improvements 1-Wire temperature stability improvements Configuration saving improvements
03.00.13.rev.05	2023.03.13	*Initial release