Why is my hiboy scooter sudden braking?

There could be several reasons why your Hiboy Scooter is experiencing sudden braking. One possible cause could be a malfunction or glitch in the Scooter's braking system itself, such as worn brake pads or a faulty brake sensor. Another potential cause could be from a user error, such as accidentally hitting the brake lever or throttle too hard, or attempting to ride the Scooter on unstable or uneven terrain. It's recommended to check the manual for troubleshooting tips or to contact the manufacturer or a certified technician for assistance in diagnosing and fixing the issue.