Please keep the following in mind during the replacement process:

1. Please carefully follow the step-by-step instructions in the video during installation, and let us know if you have any questions during the process.

2. Make sure the battery is removed before starting any work, and pay close attention to the order in which you replace the controller and display.

3. Ensure that each connector is securely connected during installation. For connectors with arrows, align the arrows accurately.

4. During the repair process and once the issue is resolved, please do not attempt to reinstall the original display, controller, or main cable onto the e-bike.