Hold both breaks and throttle for 10sec and tune the bike on while doing it. This will give you a 5mph boost. Don’t expect more then that That is the absolute max
Hold the plus and minus buttons together until the screen shows P01, then press the power button 8 times to get to P08. Press the plus button until you reach 067. That’s it! That’s the fastest this e-bike can go. and to set it back set the P08 settings to any other number.