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==2026.02.01: Base firmware update==
 
We would like to inform you about the base firmware update for FMB140 starting from February, 2026. New production firmware version will be '''04.02.00.Rev.05'''
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! style="width: 20%; border: 1px solid white; border-bottom: 2px solid #0054A6; background: white; color: #0054A6; text-align: center;" |FIRMWARE VERSION
! colspan="3" style="text-align: left; background: white;" |Change description
! style="width: 20%; border: 1px solid white; border-bottom: 2px solid #0054A6; background: white; color: #0054A6; text-align: center;" |RELEASE DATE
! style="width: 60%; border: 1px solid white; border-bottom: 2px solid #0054A6; background: white; color: #0054A6; text-align: left;" |CHANGES
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| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: center; vertical-align: center; background: white;" |<span class="mw-headline" id="04.01.00.Rev.08">{{{fw|'''04.02.00.Rev.05'''}}}</span><br />
| style="text-align: left; background: white;" |Change type
| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: center; vertical-align: center; background: white;" |{{{release_date| 2026-04-02}}}
| colspan="2" style="text-align: left; background: white;" |Firmware update
| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: center; background: white;" |
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'''New Features:'''
| rowspan="2" style="width: 221px; text-align: left; background: white;" |Detailed description
*'''NEW!''' Added BLE sensor error codes.
| colspan="2" style="width: 908px; text-align: left; background: white;" |Key improvements from last production firmware are listed in errata: [[FMB140 Firmware Changelog]]
*'''NEW!''' GNSS Augmentation and PAP+CHAP GPRS authentication added.
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*'''NEW!''' Added possibility to configure saving/not saving last known coordinate into flash.
| style="text-align: left; background: white;" |Old version: <br> 04.00.00.Rev.13
*'''NEW!'''  Added PCB Temperature IO.
| style="text-align: left; background: white;" |New version: <br> 04.02.00.Rev.05
*'''NEW!'''  Added new GNSS IO - Status Value.
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'''Improvements:'''
| style="text-align: left; background: white;" |Change reasons
*Improved CAN Odometer reading and sending.
| colspan="2" style="text-align: left; background: white;" |FMB140 base firmware version update
*Improved modem initiation after restart.
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*Improved Manual Geofence handling in low speed.
| style="text-align: left; background: white;" | Product release date
*Improved restoring coordinates from flash algorithm.
| colspan="2" style="text-align: left; background: white;" |2026 February
*Improved ''fwstats'' command response restart section.
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*Improved Total Mileage maximum value, which now can be more than 1 million.
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*Improved BLE communication with iOS over GATT.
 
*Improved Accelerometer analysis methods.
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*Improved maximum DOUT off duration on idling event.
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*Improved internal file management for faster operation.
! colspan="3" style="text-align: left; background: white;" |Affected products
*Improved CAN adapter connection state detection.
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*Improved validation for the range of “Distance Since Refuel” values.
| style="width: 221px; text-align: left; background: white;" |Model
*Improved calculation logic for distance-based parameters.
| style="width: 448px; text-align: left; background: white;" |Affected order codes
*Improved fluctuations in “Distance Since Refuel” readings.
| style="width: 448px; text-align: left; background: white;" |Order code changes
*improved Operator Ban List.
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*Improved GNSS Jamming.
| style="text-align: left; background: white;" |FMB140
*Stability improvements.
| style="text-align: left; background: white;" |All order codes with base firmware
'''Resolved issues:'''
| style="text-align: left; background: white;" |New firmware version
*Resolved Trip Odometer on startup showing Total Odometer value.
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*Resolved Func WD no send not working for backup server.
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*Resolved immobilizer authorization status after restart.
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*Resolved DOUT/DOUT3 control via ignition feature.
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*Resolved keyword setting over BT for configurator.
! colspan="3" style="text-align: left; background: white;" |Change impact
*Resolved issue with GNSS reconfiguration to QZSS.
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*Resolved issue with BLE Hidden mode visibility.
| style="width: 221px; text-align: left; background: white;" |Risk assessment
*Resolved program number reset via major FW update.
| colspan="2" style="width: 908px; text-align: left; background: white;" |
*Resolved [LVCAN] Presence flagging trace spamming in log.
* Client's special firmware versions or order codes with special firmware will not be updated to latest base firmware automatically.
*Resolved issue with misleading firmware status after update.
* During the transition period clients might receive devices with previous firmware version used in manufacture.  
*Resolved issue when "Beacon Presence" parameter did not show value.
* It is not possible to downgrade devices from '''04.00.00''' to older version special or standard firmware.  
*Resolved issue with duplicate GSM status update after device restart.
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'''Fixes:'''
| style="text-align: left; background: white;" |Suggested implementation plan
*Fixed reset conditions for Total Odometer calculations.
| colspan="2" style="text-align: left; background: white;" |If you are using special firmware version and would like an upgrade to new features of latest base firmware, please contact your Teltonika sales manager.
*Fixed incorrect handling of “Distance Since Refuel” in non-OBD compliant modes.
*Fixed signed integer issue in HV Battery Lifetime Energy data.
*Fixed modem initialization issue when SIM PIN is required.
*Fixed time synchronization issue.
*Fixed NTP ''timesync'' getting stuck.
*Fixed Abnormal altitude spam when GPS is not stable.
*Fixed Vehicle speed always being 255.
*Fixed Advanced beacon names appear incorrectly in configurator.
*Fixed RFID, BLE RFID IOs operand value.
*Fixed HV battery parameter unit conversion.
*General Fixes
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Latest revision as of 13:07, 3 April 2026

2026.02.01: Base firmware update

We would like to inform you about the base firmware update for FMB140 starting from February, 2026. New production firmware version will be 04.02.00.Rev.05

Change description
Change type Firmware update
Detailed description Key improvements from last production firmware are listed in errata: FMB140 Firmware Changelog
Old version:
04.00.00.Rev.13 		New version:
04.02.00.Rev.05
Change reasons FMB140 base firmware version update
Product release date 2026 February
Affected products
Model Affected order codes Order code changes
FMB140 All order codes with base firmware New firmware version
Change impact
Risk assessment
  • Client's special firmware versions or order codes with special firmware will not be updated to latest base firmware automatically.
  • During the transition period clients might receive devices with previous firmware version used in manufacture.
  • It is not possible to downgrade devices from 04.00.00 to older version special or standard firmware.
Suggested implementation plan If you are using special firmware version and would like an upgrade to new features of latest base firmware, please contact your Teltonika sales manager.
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