Hi Yas01, We appreciate your feedback regarding response time. For optimal performance, please ensure your U8000F TV is running the latest firmware. You can check this by going to: Home > left directional key > Settings > Support > Software Update. To further optimize performance, try running Device Care, which checks memory, clears unused cached data, and closes background apps: Home > left directional key > Settings > Support > Device Care > Start Device Care If issues continue, please reach Samsung Support at 1-800-SAMSUNG, available 8AM – 9PM EST Mon – Fri, 8AM – 6PM Sat – Sun. LiveChat is also available via the ‘Support’ link on our website. ~ Samsung Advisor

Hi Doc Wizard, We're sorry to hear you are having trouble navigating the U8000FD TV. To help you get the most from your TV, you can download the full e-Manual and more by visiting Samsung’s website then navigating to: Support > Manual & Software > TVs & Home Theater. From there, you can search for and select your U8000F TV model to view or download the available guides. The e-Manual and Remote Control Guide are also conveniently built into your TV: Settings > Support > Tips and User Guides If you need additional help, please contact Samsung Support at 1-800-SAMSUNG, 8AM – 9PM EST Mon – Fri, 8AM – 6PM Sat – Sun. You can also visit the Samsung website and click on ‘Support’ for: • Live Chat • Manuals, Software, & Warranty Info ~ Samsung Advisor