Home › Display settings › S866 / S830 / S861 LCD (generic hub-motor e-bikes, Fiido, Engwe, Himiway etc.) › S866 / S830: language

Language on an S866 / S830 / S861 display (there is none to change)

S866 / S830 / S861 LCD (generic hub-motor e-bikes, Fiido, Engwe, Himiway etc.)

The S866 family shows numbers, icons and a few fixed English abbreviations. There is no language setting on any firmware we have seen.

Step by step

  1. Enter the settings (hold + and −, password 1919) and scroll P01 to P20: no language item exists.
  2. What looks like text (TRIP, ODO, PAS, MPH) is fixed.
  3. Use P02 for km/h if that was the actual goal.
  4. Exit with + and − held together.
Tip: Brand apps (Fiido, Engwe, Himiway) that pair with the bike over Bluetooth do have language settings; those change the app, not the display.

Can't find it?

Chinese characters on the screen: a grey-import S830 colour variant. Hold + and −, enter 1919, the first sub-menu's last item toggles 中文/English on that firmware.

Frequently asked

German or Dutch available?

No.

Is P20 a language?

No, P20 is the communication protocol (0/1/2) between display and controller. Changing it makes the display show error 30 or nothing at all; leave it.

Error text in English?

Codes are numeric (E004, E007…); look them up here.

Other S866 / S830 / S861 LCD (generic hub-motor e-bikes, Fiido, Engwe, Himiway etc.) guides

S866 / S830: change mph to km/hS866 / S830: wheel diameter (P06) and speed magnets (P07)S866 / S830: assist levels (P05) and PAS parametersS866 / S830: speed limit (P08)S866 / S830: settings password (1919, 0512)S866 / S830: backlight (P01) and auto-off (P04)S866 / S830: walk assist and cruise (P17)S866 / S830: set battery voltage (P03)S866 / S830: throttle on/off (P10, P09)S866 / S830: trip and ODO reset (P16)
Still stuck? Take a photo of the display and show it to a local e-bike workshop. Bring the bike's system name (e.g. Bosch Performance Line CX) and the exact code; that saves diagnostic time and money.