ePowerfun.de app functions: - Immobilizer (electrical blockage)- Setting the maximum achievable top speed- Display of: battery level in %, speed, battery voltage in V, temperature of the control board, trip mileage, total mileage, current current (in amps), current input power (in watts)- for ePF-PULSE: gas and brake response- for ePF-PULSE: Acoustic indicator signal on/off - Firmware updates (Note: The "Zero Start" option is deactivated. The eScooter can only move off with kick-start. This increases the safety of the eScooter when starting off.)The code for the first use is 888888 - six times the 8.The code can then be changed.Full compatibility requires at least Android 9.