Template:FTX Firmware Changelog

Introduction

We are always improving our device's performance, stability, and reliability. That’s why Teltonika is one of the leading GNSS trackers manufacturers in the world.
This document describes FT platform 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

[XX].[YY].[ZZ]

• Syntax description
  • XX – shows major backward incompatible changes in firmware, i.e. security feature.
  • YY – shows major changes like new features or module support additions.
  • ZZ – shows changes like critical issue fixes.

Firmware versions

Note: The list of supported hardware versions shown below indicates compatibility from firmware side only and does not imply that the firmware version is recommended for device update or factory use. To verify the currently recommended and factory firmware versions for your device, please refer to the Firmware Versions page

FIRMWARE VERSION	SUPPORTED HARDWARE
3.7.1	ATC700_21, ATM700_21, FTC305_31, FTC305_41, FTM305_41, FTC308_41, FTM308_41, FTC880_12, FTC880_24, FTC880_41. FTC881_23, FTM880_02. FTM880_12, FTM880_24, FTM880_41, FTC887_21, FTM887_21, FTC920_22, FTC921_26, FTC921_43, FTC924_22, FTC927_22, FTM927_22, FTC961_23, FTC961_32, FTC965_32, FTC134_32, FTM134_32, FTC164_24, FTM164_24
3.7.0	ATC700_21, ATM700_21, FTC305_31, FTC305_41, FTM305_41, FTC308_41, FTM308_41, FTC880_12, FTC880_24, FTC880_41. FTC881_23, FTM880_02. FTM880_12, FTM880_24, FTM880_41, FTC887_21, FTM887_21, FTC920_22, FTC921_26, FTC921_43, FTC924_22, FTC927_22, FTM927_22, FTC961_23, FTC961_32, FTC965_32, FTC134_32, FTM134_32, FTC164_24, FTM164_24
3.7.0.rc-25	ATC700_21, ATM700_21, FTC305_31, FTC305_41, FTM305_41, FTC880_12, FTC880_24, FTC881_23, FTM880_12, FTM880_24, FTM880_02, FTC887_21, FTM887_21, FTC920_22, FTC921_26, FTC921_43, FTC924_22, FTC927_22, FTM927_22, FTC961_23, FTC961_32, FTC965_32, FTC134_32, FTM134_32
3.7.0.rc-22	FTC305_31, FTC305_41, FTM305_41, FTC880_12, FTC880_24, FTC881_23, FTM880_12, FTM880_24, FTM880_02, FTC887_21, FTM887_21, FTC920_22, FTC921_26, FTC921_43, FTC924_22, FTC927_22, FTM927_22, FTC961_23, FTC961_32, FTC965_32, FTC134_32, FTM134_32
3.7.0.rc-19	ATC700_21, ATM700_21, FTC305_31, FTC305_41, FTM305_41, FTC880_12, FTC880_24, FTC881_23, FTM880_12, FTM880_24, FTM880_02, FTC887_21, FTM887_21, FTC920_22, FTC921_26, FTC921_43, FTC924_22, FTC927_22, FTM927_22, FTC961_23, FTC961_32, FTC965_32, FTC134_32, FTM134_32
3.0.10	FTC305_31, FTC305_41, FTM305_41, FTC880_12, FTC880_24, FTC881_23, FTM880_12, FTM880_24, FTM880_02, FTC887_21, FTM887_21, FTC920_22, FTC921_26, FTC921_43, FTC924_22, FTC927_22, FTM927_22 FTC961_23, FTC961_32, FTC965_32, FTC134_32, FTM134_32
3.0.8	FTC305_31, FTC305_41, FTM305_41, FTC880_12, FTC880_24, FTC881_23, FTM880_12, FTM880_24, FTM880_02, FTC887_21, FTM887_21, FTC920_22, FTC921_26, FTC921_43, FTC924_22, FTC927_22, FTC961_23, FTC961_32, FTC965_32, FTC134_32, FTM134_32
3.0.7	FTC305_31, FTC305_41, FTM305_41, FTC880_12, FTC880_24, FTC881_23, FTM880_12, FTM880_24, FTM880_02, FTC887_21, FTM887_21, FTC920_22, FTC921_26, FTC921_43, FTC924_22, FTC927_22, FTC961_23, FTC961_32, FTC965_32
2.4.3	FTC921_26, FTC961_23, FTC881_23, FTC880_12, FTC880_24, FTM880_12, FTM880_24, FTM880_02, FTC305_31, FTM305_31
2.4.0	FTC921_26, FTC961_23, FTC881_23, FTC880_12, FTC880_24, FTM880_12, FTM880_24, FTM880_02, FTC305_31, FTM305_31
2.1.4	FTC921_26, FTC961_23, FTC881_23, FTC880_12, FTC880_24, FTM880_12, FTM880_24, FTM880_02
2.1.1	FTC921_26, FTC961_23, FTC880_12
1.5.1	FTC921_26, FTC961_12, FTC881_12
0.40.3	FTC921_26, FTC961_12, FTC881_12
0.26.2	FTC921_26, FTC961_12, FTC881_12

FIRMWARE VERSION	RELEASE DATE	CHANGES
3.7.1	2026-05-12	FIXES/IMPROVEMENTS Resolved issue where Modem status LED remained active when transitioning from Online Sleep to Critical Sleep Resolved an issue where BG95-based devices would sometimes could stop sending records during operation in Deep Sleep due to incorrect state handling
3.7.0	2026-04-27	HARDWARE SUPPORT NEW Added support for FTC164_24 hardware modification NEW Added support for FTCM64_24 hardware modification NEW Added support for FTC308_41 hardware modification NEW Added support for FTM308_41 hardware modification NEW Added support for FTC880_41 hardware modification NEW Added support for FTM880_41 hardware modification NEW FEATURES NEW Dead Reckoning | Standby Mode support for [FTXXX7], [FTXXX8] devices NEW Manual Geofence | Polygon zones support added NEW Manual Geofence | Configurable DOUT control support added NEW Immobilizer | Authorized Beacon list support added NEW FTMFC (Firmware Bundle Container) support added NEW Added SMS Events functionality NEW QZSS Satellite system support added NEW Added BASIC MQTT functionality NEW Added SECO (Secure Engine Cut Off) functionality NEW [TLS/DTLS Encryption support added NEW Added Private/Business mode functionality NEW Added On Demand Tracking functionality NEW Added Faulty Device Mounting functionality NEW Added GNSS Fuel counter functionality NEW Added "Faulty Device Mounting" I/O element NEW Added "Fuel used GNSS" I/O element FIXES/IMPROVEMENTS Refined Dead Reckoning behavior by fixing calibration inconsistencies, incorrect DR state changes during driving, and improper handling after sleep cycles. Reduced track jumps (e.g., underground parking), eliminated false movement after stop, and improved consistency between devices under identical conditions. An empty mask is now used by default and functions as a pass-through, allowing unfiltered CAN data to be returned Resolved an issue where devices could fail to send records in Deep Sleep mode due to premature GPRS task initialization Changed default CAN baudrate setting to "Auto" Resolved issues with DOUT control behavior when switching between different Output Control configurations for the immobilizer Improved validation logic for domain names and IPv4/IPv6 addresses Resolved an issue where PDP activation attempts were triggered despite no valid operator being selected APN cycling is now performed even when the device is not registered to the network. Previously, APN switching was only triggered after successful operator registration, which could prevent connection to certain operators if an incorrect APN was used. Corrected MCAN service initialization failure caused by commands configured with Send type = “Response” without assigned Manual CAN IO. Such misconfigurations previously caused the entire MCAN service to stop, making all commands unreachable. Resolved an issue where the MAC address was inverted when configured via command Resolved an issue where GPS log output format could change intermittently Changed CAN Bitmask type to string and length to 64 bytes Resolved an issue where DOUT1 could remain stuck if authorization occurred before ignition was turned on Resolved an issue where the M2M SIM home network was identified as “unknown” in operator selection logic, causing it to be treated as a non-home network. This could lead to unintended behavior such as applying ban lists or prioritizing roaming operators over the actual home network. Resolved an issue where operators could remain stuck on weak signal conditions without being properly banned. This has been corrected, and such failures now contribute to the PDP failure count, allowing the operator to be banned after the configured limit is reached Resolved an issue where I/O elements for features with Eventual Records set to “Disabled” were not included in records while their state remained unchanged Resolved an issue where modem status LED could incorrectly indicate active modem operation after external voltage or battery was disconnected. Modem status LED now correctly reflects modem state after power loss. Resolved an issue where, after performing a configuration change, the device continued sending records to the previously configured server Resolved an issue where lower priority scenarios did not take over DOUT control after a higher priority scenario ended Resolved an issue where Auto Geofence “On Entrance” records were not generated while the device was powered by an external power source Resolved an issue where DIN could trigger wake-up from Deep Sleep even when not configured as an Ignition or Movement source Resolved an issue where eventual I/O records were generated even when Events were not configured in the I/O section. BLE Sensors configured for Temperature/Humidity monitoring could trigger unintended eventual records (e.g., on visibility changes), ignoring the “monitoring” operand. Resolved an issue where duplicate Immobilizer Eventual records could be generated when authorization occurred before ignition transition (0 → 1) Resolved an issue where scheduled records set to a 1-minute interval where not saved Resolved an issue where DOUT control remained active after disabling Manual Geofence or performing a device configuration reset. DOUT now correctly stops being controlled when the feature is disabled or configuration is reset Corrected connection handling after Online Sleep wake-up, where multiple small data packets triggered repeated connect–send–disconnect cycles instead of being transmitted in a single continuous session Resolved an issue where a modem reset after FPLMN write cleared the FPLMN list, causing the device to repeatedly reconnect to the same banned operator, preventing stable data connection. I/O elements accelerometer axis data is now displayed with ground vector being included
3.0.10	2026-03-02	HARDWARE SUPPORT NEW Added support for FTM927_22 hardware modification FIXES/IMPROVEMENTS Resolved issue where devices with BG95-M3/M6 modems would fail to connect to the network when using roaming SIM cards due to insufficient network registration timeout Updated network scan order to CAT-M1 → GSM → NB-IoT for devices with BG95-M3/M6 modems Implemented special operator handling when EFad file does not provide MCC length information on the SIM card
3.7.0-rc.25	2026-02-05	FIXES/IMPROVEMENTS Improved LED brightness control for [ATC700, ATM700] devices with the latest assembly revision
3.7.0-rc.22	2025-01-16	FIXES/IMPROVEMENTS Resolved issue where operator would be incorrectly banned after several attempts to open session Resolved issue where DOUT2 or DOUT3 control would not work correctly after receiving setdigout or setdigout commands
3.7.0-rc.19	2025-12-19	HARDWARE SUPPORT NEW Added support for ATC700_21, ATM700_21 hardware modifications NEW FEATURES NEW Bluetooth MCU shutdown logic in sleep modes implemented NEW CAN MCU shutdown logic in sleep modes implemented NEW Authorized iButton list for Immobilizer feature NEW Added Software Defined Pins feature NEW Added Manual CAN option for Ignition and Movement Sources NEW Added "Current LTE Band" I/O element NEW Added logic to reconnect to the server immediately after server configuration change NEW Added User Button functionality for [ATC700, ATM700] devices NEW Added Power Bank functionality for [ATC700, ATM700] devices NEW Added Power Off via Button functionality for [ATC700, ATM700] devices NEW Added GNSS fix search timeout parameter used after waking up from sleep for [ATC700, ATM700] devices NEW Added support for IMSI and ICCID reporting to FOTA NEW Major version updated to 3.7.0 and downgrade protection added NEW Conditions when device operation is prohibited updated, for more information please refer to Country Blocking Service FIXES/IMPROVEMENTS Improved Instant Movement detection algorithm to more accurately represent status Dynamic ground is now subtracted from IMU data used for Crash/Crash Trace scenarios Implemented continuous parking vector updating using EMA filter to improve towing detection Default Dead Reckoning alignment mode set to "Swift" mode Resolved issue where operator would be incorrectly banned after several attempts to open session Resolved issue where sleep timeout would not reset after receiving SMS Resolved issue where movement would be detected for a short period of time after periodic wake-ups to send data in Power-Off Sleep mode Resolved issue where DOUT2 and DOUT3 states would not be retained after waking up from Power-Off Sleep mode Resolved issue where "Authorization persist duration" option could not be disabled via TCT Resolved issue where device would sometimes wake up from Power-Off Sleep without valid wake-up reasons Fixed status display of Immobilizer I/O element in TCT Resolved issue where SIM card presence status would not update correctly in TCT Network status is now updated immediately when SIM is removed Resolved issue where Digital Output would not be disabled after timeout if device resets Resolved issue where changing Charge Mode configuration would not take effect immediately Resolved issue where removing SIM and inserting it back would prevent device from connecting to the network Resolved issue where devices would not send High Priority records to server immediately when operating in Deep Sleep mode Digital Output state is now saved in memory and retained after device restart Improved Digital Output state control stability Resolved issue where firmware update status was shown as failed in TCT even when update was successful Improved battery detection algorithm for [FTX88X, FTC96X, FTX134] devices Improved ban list functionality where operator-specific operator codes were not banned after 3 attempts as expected Speed Jump filter implemented Altitude Jump filter implemented GNSS data filtering improvements Resolved issue where advanced unplug detection generated an event without movement source for the first external voltage disconnection Resolved issue where device in Online Sleep mode with Incoming Call feature failed to report last known position even though GNSS fix was available before entering sleep mode Resolved issue where device goes to Power Off Sleep mode when connected to TCT via USB
3.0.8	2025-12-08	HARDWARE SUPPORT NEW Added support for FTC134_32, FTM134_32 hardware modifications FIXES/IMPROVEMENTS Fixed a compatibility issue for [FTX305, FTX134] devices where software-defined pins (switch between DIN/AIN/1-Wire) were not initialized correctly after upgrading to newer firmware versions that support this feature Fixed an issue where device current consumption increased when operating without cellular connectivity
3.0.7	2025-10-29	HARDWARE SUPPORT NEW Removed support for FTM305_31 hardware modification NEW FEATURES NEW Dead-Reckoning functionality support for [FTXXX7] devices NEW Teltonika EYE Sensors and Beacon support for [FTXXX4, FTXXX5, FTXXX7] devices NEW Added Record Scheduler functionality NEW Added "Time from last fix" I/O element NEW Added accelerometer: "Axis X", "Axis Y", "Axis Z" I/O elements NEW Added "Beacon Presence" I/O element NEW Added Second Server funtionality NEW Added Smart Ignition Detection functionality NEW Added Ignition ON counter functionality NEW Two-wheeler fall down detection functionality NEW Added Inverted DOUT functionality NEW Added DOUT extension for Network Jamming functionality NEW Added DOUT recovery after overcurrent NEW Added Location Based Service functionality NEW Added eSIM Chip support NEW Added Manual Geofence functionality FIXES/IMPROVEMENTS Enhanced modem stability by ensuring recovery mechanism is triggered correctly after PDP context activation failure Resolved issue where records stored in Retained RAM would get corrupted after firmware update, preventing the device from sending data Improved handling of ambiguous PDP context states to ensure stable modem operation Resolved issue with PDP context activation when the device had no AutoAPN file and the configured APN was not applied Improved reliability of ExtMCU firmware updates Improved deep sleep power consumption Trip odometer IO initialization improvements Fixed delays beetween server connections Fixed authorized number input, by improving behaviour, when second digit is 0 Resolved an issue that caused the sender task to hang during socket disconnection when the TCP/IP Server confirmation method was active and the open link timeout was reached after sending records Improved modem update via FOTA WEB flow General stability, connectivity and GNSS related improvements
2.4.3	2025-04-15	FIXES/IMPROVEMENTS Manufacturing testing improvements
2.4.0	2025-03-14	HARDWARE SUPPORT NEW Added support for FTC305_31, FTM305_31 hardware modifications
2.1.4	2025-07-21	HARDWARE SUPPORT NEW Added support for FTC880_24, FTM880_12, FTM880_24, FTM880_02, hardware modifications FIXES/IMPROVEMENTS AutoAPN file upload in the factory Added possibility to upload customer configuration files in factory Manufacturing testing improvements Fixed reversed logic in unplug detection feature
2.1.1	2025-06-04	HARDWARE SUPPORT NEW Added support for FTC880_12 and FTC961_23 hardware modifications NEW Hardware modifications FTC961_12, FTC881_12 no longer supported due to component change NEW FEATURES NEW IPv6 protocol support NEW Towing detection feature NEW Quectel BG95-M1 modem support NEW Quectel BG95-M3 modem support NEW Custom scenarios feature NEW Permanent link feature NEW GSM/LTE operator white & block list feature NEW Auto Geofence – Deactivate by Digital Input NEW Crash Trace NEW Odometer feature FIXES/IMPROVEMENTS Fixed auto geofence deactivation via SMS Fixed AVL ID data sending (Sleep mode – ID 200, PCB temperature – ID 70, Current active log file – ID 13266, Max log file count – ID 13267) to ensure values are always visible, update as expected, and are correctly displayed on the server Fixed DOUT ON and OFF durations to match documentation Improved ban list handling Improved modem stability Fixed DOUT control via setdigout command Improved deep sleep behavior, reducing power consumption by 0.5 mA Fixed getver SMS command response – device now replies with full version info regardless of sleep mode Improved average vector magnitude calculation method Improved auto geofence functionality Fixed setdigout and setigndigout SMS responses to align with documentation Fixed towing detection DOUT OFF time limits – now properly restricted to 0–5000 ms
1.5.1	2024-12-16	NEW FEATURES NEW added TCT Terminal NEW added Online Sleep NEW added Power Off Sleep NEW added Advanced Crash Detection NEW added Modem firmware update via TCT & FOTA WEB NEW added Network Settings with mode selection NEW added Gravity filtering from accelerometer NEW added Accelerometer Calibration NEW added Calibration status I/O NEW added PCB temperature I/O NEW added Auto Geofence scenario FIXES/IMPROVEMENTS Record manager improvements. Resolved file corruption issues Battery charging current indication improvements Adjusted priority management for setigndigout and setdigout. Now setdigout is not ignored and correctly controls Digital Output Resolved intermittent turn-offs of battery charging Resolved inaccuracies in sleep mode timing algorithms Corrected modem reactivation process following sleep exit event Addressed an issue where the getgps command incorrectly reported the GNSS power status Resolved issue were device would have high consumption is sleep after USB cable was disconnected Digital Output recovery after overcurrent mechanism implemented Fixed setdigout command response information prints Fixed issue were records were being sent not according to configured priority and operand Allow to turn on modem when USB cable and battery are connected
0.40.3	2024-08-01	NEW FEATURES NEW added Unplug Detection Advanced mode NEW added Instant & Delayed movement scenario NEW added Eco Driving scenario NEW added SMS Number authorization feature NEW added Simple Crash Detection scenario NEW added Excessive Idling scenario NEW added Jamming Detection scenario NEW added Digital Output On/Off duration feature NEW added Server Records confirmation options feature NEW added Deep Sleep power saving mode feature NEW added Codec12 feature NEW added AutoAPN feature NEW added TCT Configuration Password protection feature NEW added SIM Cards with PIN support NEW added Log file download via FOTA Web feature NEW added Device Live Status information feature FIXES/IMPROVEMENTS Record manager improvements. Record saving no longer stops during frequent record saving. Digital Output state improvements. Incorrect battery charging current indication improvements. SMS message parsing improvements. Last known GNSS position utilization for records improved. FOTA task execution improved. Device correctly awaits for TCP ACK when sending data. Record manager improvements. Record I/O correctly copied to different records. Trip AVL ID size fixed to match documentation. Improved record sending retry timeout calculation. "setigndigout" command format and logic issues resolved. Total odometer value saving improvements. PDP context management improvements. Correctly deactive PDP context after pdpdeact URC message. Modem IMEI recognition in roaming mode fixed Record manager improvements. Corrected FIFO functionaltiy to overwrite records correctly. "geimeiccid" command response issue resovled. Instant movement detection improvements. Resolved issue when movement state was lost during trip. Record sending improvements Resolved issue where records were generated even if I/O priority is set to "None". Modem init improved corrected when using roaming SIM. IMEI is now detected correctly.
0.26.2	2024-02-13	NEW FEATURES NEW added the SMS "deleterecords" NEW added the SMS "getgps" NEW added the SMS "getio" NEW added the SMS "allver" NEW added the SMS "getstatus" NEW added the SMS "setdigout" NEW added the SMS "setparam" NEW added the SMS "getparam" NEW added the SMS "readavl" NEW added the SMS "cpureset" NEW added sent SMS counter NEW added sent records counter NEW added network ping timeout feature NEW added min max values of NTP resync period NEW added live satellite info NEW added battery charging modes NEW added critical sleep mode NEW added configurable APN settings and ability to disable mobile data NEW UDP protocol implemented NEW added the SMS "getrecord" NEW added the SMS "web_connect" NEW added the SMS "getinfo" NEW added accelerometer test command NEW added roaming mode change event NEW added SMS password NEW added the SMS "extformat" NEW added the SMS "getver" FIXES/IMPROVEMENTS Record loading speed improvement Record manager improvements. Records are sent immediately after generation when link is already open Record generation period reconfiguration corrected, the device starts generating new records based on newly configured timeout Open link timeout functionality correction. Link is closed accordingly to open link timeout configuration Corrected records send triggering after movement status change Corrected data acquisition records generation by speed units Conversion coefficient for AIN measurement corrected Odometer max value saving corrected Odometer value is saved in kilometers instead of meters Instant movement detection corrected to be detected from first move Wrong ignition source for data acquisition detection instead of movement source fixed SMS sending timeout fix Modem IMEI recognition in roaming mode fixed SMS command "setparam" stability improvements Accelerometer initialization improvements Modem stability improvements Accelerometer data validation improvements Record sending improvements Ignition check data spam without time synchronization fixed Power management (sleep) improvements Subsequent connection to server failure timeout increase feature added DOUT stability improvements