Unlock the Limit of the Speed


  1. Press “+”, “-” and “i”  at the same time for 2 seconds. Then the display will be changed.
  2.  Press “-” and “i” at the same time for 2 seconds. Then the display will be changed again.
  3. Enter the password 0510.
  4. Press “i” to confirm your password. Then the display will be changed.
  5. Press “i” again. Release the button until the display entered the speed setting page.
  6. Press “+” or “-” to adjust your speed.
  7. Switch the speed unit from mph to km/h.
  8. Press “i” to confirm your setting.