Stromer OMNI Interface

Release Notes Stromer Firmware

Below you will find an overview of the most important firmware versions for the Stromer OMNI Interface. The firmware version currently installed can be displayed using the menu: MENU/SYSTEM/ABOUT

SUI FW = touchscreen firmware

Firmware updates are sent automatically to your Stromer. To enable your Stromer to receive a firmware update, switch it on. The Stromer will need good mobile network reception for at least ten minutes. If an update is ready for installation, this is displayed by an indicator in the status bar.
As soon as you switch the Stromer off or on, you can choose whether to install the update immediately (YES) or later (NO).

OMNI Interface C



17. June 2019

Theft Protection:

  • PIN minimum length set at 5 digits
  • If the PIN has been entered incorrectly three times, the input field is blocked for 1 minute
  • In the locked state, the motor already blocks at very slow speed

New Features:

  • It can be selected whether a dynamic remaining range should be displayed instead of the battery charge Level
  • If there is no GPS connection, the bike will be located via the GSM connection

Various Optimization

  • Improved installation of updates
  • When charging the battery, the charge level is transmitted to the app at regular intervals.




6. November 2018

Theft protection

  • PIN query can be activated when switching on. New setting allows a PIN to be requested after each power on
  • Stabilizing measures in the Bluetooth module for Seamlessride function

GPS Localization

  • Interference from Seamlessride to GPS reduced
    optimizations Assisted GPS

Optimizations  ST5

  • Sport Modus: Revised user guidance and improved temperature and voltage management

Various optimizations

  • Electromechanical battery door can be ejected by clicking on the battery symbol when vehicle is connected to the charger.
  • Control element on the handlebar is switched off in standby mode
  • Improved error handling



27. June 2018

Optimized motor parameter for ST5

  • Reduction of vibrations

  • Smoothens ride between 41 and 44 km/h


Improvement of Seamlessride Function

  • Changed threshold to detect pedal pressure

  • Bike locks more reliable using Seamlessride function 



20. June 2018

Compatibility with OMNI Interface C Upgrade Kit

  • Compatible with previous bike types (<2018)

  • Boost Function for previous bike types


Various bug fixes

  • Corrections in module for time zone detection

  • Corrections in GPS application



18. Mai 2018

ST5 compatibility

  • Keylessride – electromechanical battery box

  • Sport Mode S


Software update of peripheral components

  • Battery Firmware

  • Controller Firmware

  • M99 pro Firmware


Various improvements

  • Standard tuning removes Underline in Mode 2

  • Motor Type selection in Service



14. March 2018

Quick fix:

  • Retroactive correction of bike configuration during production



5. March 2018

Contains the following optimizations:

  • Ensures compatibility of ST2 and ST2 S with additional motor types

  • ST2 bike type configuration during production



26. February 2018

The following features are new:

  • New languages: German, French, Dutch, Italian

  • Time setting: Automatic setting for all time zones

  • Seamless Ride: Your bike will be automatically locked / unlocked when you walk away / approach with your smartphone. Setting for Seamless Ride sensitivity. We recommend to use Seamless Ride in combination with Autolock.

  •  Display background – Day / Night mode: Drive screen and menu can be displayed in front of dark or bright background based on user selection. Automatic: Display background automatically adjusts itself to the ambient light.

  • New indicators in status bar: Low beam, high beam, position light. Bluetooth, Seamless Ride

  • Various other bug fixes and optimizations



17. January 2018

The first release for OMNI Interface C contains basic functions for the following Stromer models from model year 2018: ST1 X, ST2 and ST2 S


The following functions are among the new ones:

  • Support of new components: 3G mobile communication standard, Color display, Horn

  • New design: Ride screen, Menu, User interface

  • New status bar: GPS indicator is shown if a GPS position is available

  • Simplified menu navigation

  • Available language: English

  • Time setting: Automatic setting (CET)


The following functions will follow in later releases:

  • Additional languages: German, French, Dutch, Italian

  • Time setting: Automatic setting of all time zones

  • Seamless Ride: Your bike is automatically locked/unlocked when you walk away/approach with your smartphone.

OMNI Interface B



New Features

  • ST1 Compatibility
  • Updates can now be installed via Bluetooth (ST1 only).
  • Among the settings, you can now set, if the horn should be used as an additional alarm in case of theft.

Various Optimisations

  • The Bluetooth menu has been revised to make it easier to use.
  • A bug that caused the power supply not to lock during charging has been fixed.
  • Fixed a bug where the headlight did not work in ST1X theft mode.
  • Added support for new components.