TMT250 Firmware Errata

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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 TMT250 devices firmware improvements, changes, new features implementations as well as current firmware release version.


Firmware versioning

  • Structure
 FMB.VER.[XX].[YY].[ZZ].Rev.[##] _ID[###]
  • Syntax description
    • 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 ID.


Firmware versions

FIRMWARE VERSION RELEASE DATE CHANGES
03.21.03.Rev.00
(Current firmware release version for TMT250)
2018.11.05
  • Improved battery percentage calculation algorithm.
  • Alarm functionality enabled by default.
  • BLE stability improvements.
  • Other minor working stability improvements.
03.21.01.Rev.01 2018.10.26
  • Implemented configurable sleep exit sources
  • Implemented “performance” and “low power” saving modes
  • Implemented movement/no movement feature
  • Implemented trip/odometer functionality
  • Implemented BLE 4.0 functionalities
  • Overall firmware stability improvements
  • Improved user interface section
  • Improved battery charging logic
  • Implemented low battery notification
  • Improved records saving
  • Implemented configurable order priority for alarm feature
  • Implemented tracking turn on/off by button
  • Fixed data sending from flash issue
  • Fixed "getgps", "getgnss" and incoming call action report position problems
  • Fixed wake up from sleep by Alarm button
  • Fixed LED indication issue
  • Changed movement detection thresholds for TMT250
03.16.02. Rev.55 2018.07.13
  • Implemented automatic power on by USB/charger
  • Implemented FOTA WEB support
  • Updated GNSS module firmware
  • Battery charging improvements
  • Implemented Battery level (%), Charger connected IO elements
  • Implemented Codec8E support for TMT250
  • Increased amount of options for incoming call settings
  • Implemented Alarm, Man-Down and Overspeeding features
  • Implemented different Auto Geofencing logic for TMT250
  • Implemented LED indication configuration for different events
  • Implemented keyboard configuration
  • Improved SMS sending
  • Improved call stability