USB debugging must be enabled on the mobile phone for the adapter cable to work. No need to set any output settings; the product will automatically output after restarting the mobile phone. Connect the HDMI-compatible TV first, then connect the USB power cable, and finally connect the product to the mobile phone. The mobile phone must be restarted. The product requires an external power supply of at least 5V 1A to output to HDMI-compatible devices. After connecting the product, the mobile phone will display the HDMI-compatible logo (some mobile phones may not display it) and indicate that it is charging. Remember to plug the product into the mobile phone and restart it for the first use; otherwise, there will be no HDMI-compatible output.Introducing our adapter cable, the perfect solution for connecting your mobile phone to an HDMI-compatible TV. With this cable, you can enjoy your favorite videos, photos, and games on a larger screen with stunning clarity. To ensure a seamless connection, follow these simple steps: First, connect the HDMI-compatible TV to the cable. Then, connect the USB power cable to provide the necessary power supply. Finally, connect the product to your mobile phone. It is important to restart your mobile phone after connecting for the first time to enable HDMI-compatible output. Once connected, you will see the HDMI-compatible logo displayed on your mobile phone (please note that some mobile phones may not display it). Additionally, your mobile phone will indicate that it is charging while connected to the cable. Please make sure that your mobile phone has USB debugging turned on before using this product. The product's output does not require any additional settings. After restarting your mobile phone, it will automatically output to the HDMI-compatible TV. For optimal performance, please ensure that the product is powered by an external power supply with a minimum rating of 5V 1A. This ensures a stable and reliable HDMI-compatible output.Item Name: Adapter Cable Material: ABS Features: Plug and Play, Flexible, Portable Transmission Speed: 500 MB/s Size Details: Length: 183cm / 72.05" (Approx.)Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.Package Includes: 1 x Adapter Cable