Firmware Updates for OBDLink EX

Here you will find short summaries of changes between the different firmware revisions. Developers should read the detailed changelog found inside the respective update archive.

To install an update via the OBDLink app, navigate to 'Settings' > 'Firmware Updates', then click 'Check For Updates'
To install an update via a Windows PC, download and extract the archive, then run StnFirmwareUpdater.exe.



Latest Version 5.1.3

Release Date: January 24, 2020
Level of Importance: Recommended

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This release included several changes:

  • Set max UART baudrate of EX and SX to 2000000
  • Increased UART RX buffer size to accomadate large transfers @ 2Mbps baudrate
  • Made default sleep functionality consistent with SX

See obdlink_mx-changelog.txt inside the archive for detailed descriptions of the changes.




Version 5.1.1

Release Date: October 10, 2019

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Initial Release




Previous Releases