The Max. speed of the A10 and H6 scooter is 40km/h (25mph). But due to local laws in some where, there is a speed limit on scooter that the speed cannot exceed 25km/h, it need to free the speed limit first to reach the Max. speed 40km/h.
It’s only 2 steps to turn on/ off the speed limit:
Turn on the scooter;
8 clicks on the power button, check the if the speed changes