- Remote control compatible with Onn UHD Streaming Device models: 100024646 and 100026240. Not compatible with Mecool TV boxes. Check button layout before purchasing to ensure compatibility with your device. - Note: This remote cannot be used simultaneously with the original remote control. If prompted to upgrade your software, disable the upgrade option for streaming media. - If the remote control is unresponsive, test the connection by turning on Bluetooth on your phone and pairing it with the remote (look for "onn remote"). If successful, proceed to TV settings to add the remote, disconnect the original remote, and start using the new one. - To pair the remote, press the Auto pairing button on the device. When the TV displays "Start pairing," press and hold the RETURN and HOME buttons on the remote until the LED light begins flashing, then release. If pairing fails, press the button on the side of the streaming box for a few seconds to initiate pairing. - If you cannot control your TV remotely, navigate to "Settings" → "Set Button" → "Add Device." If your TV is recognized automatically, no further action is needed. If not, manually select your TV brand and model. - Note: This remote is compatible with Google Chromecast with TV 4K; however, the Disney+ and HBOMAX buttons do not function. - Package includes: 1 remote control, 1 user manual. - For optimal performance, use alkaline batteries; do not use rechargeable batteries.