1. The controller has already opened the code with out getting into any serial number. The immediate for entering the serial quantity will be the password you set you've got forgotten your password, please contact your native dealer. If you simply replace the meter password, it is going to not be eliminated. 2. Before changing the controller, confirm the battery voltage and discuss with a multimeter. If it's larger than 35V, it may be grew to become on. 3. Each sign line corresponding to the picture proven should be securely wired, and the substitute of the controller mustn't ever weigh down any signal traces the signal line is crushed, it's going to not be repaired (crushing the signal line or the motor phase isn't always coated by way of the warranty) 4. The controller cannot be changed at will, that could set off extreme damage. 5. Do no longer use this controller when you modify the battery or motor privately. 6. This controller or software can solely be used interchangeably with for Xiaomi's products. It is precisely forbidden to be utilized in cottage vehicles or counterfeit vehicles. The look of a few elements could also be diverse thanks to different factory batches. Colour:Photo Color Material:PCB Package Contents: 1 x M365 Pro Electric Scooter Dashboard 1 x Cover 1 x Double Sided Tape Only the above equipment content, different item will not be included. Note: Light reflection and diverse exhibits can cause the color of the object within the picture slightly diversified from the real thing. The dimension allowed error is +/- 1-3cm.