REZphoto: If your TV is flickering or dimming sporadically, you may need to disable some of the energy efficiency features. Disable Ambient Light Detection, Power Saving Mode, Motion Lighting, or Contrast Enhancer. Settings > General> Eco Solution> Ambient Light Detection Settings > General> Eco Solution> Power Saving Mode Settings > General> Eco Solution> Motion Lighting Settings > Picture > Expert Settings > Contrast Enhancer Run Picture Test. When the tested image quality is normal, check the signal of the connected device. Settings > Support > Device Care > Self Diagnosis > Picture Test I hope this helps. If your issue persists, please reach out to Samsung Customer Support, and a representative will gladly assist you. 1-800-SAMSUNG (8AM -12AM EST, 7 days a week) Or visit us on the Samsung website and click on the SUPPORT link in the upper right corner for: 1) Contact Us Options (LiveChat, Remote Support, Facebook, Twitter) 2) Product Support 3) Manuals and Downloads 4) Warranty Info 5) Product Registration: Registering your product gives you access to easy warranty support, convenient opt-in to special promos and offers, faster troubleshooting and service, and quick notification of system updates 6) Samsung Community: A great resource for getting help from Samsung moderators and customers and more 7) …and more product, repair, order, and care options Again, thank you for taking the time to share your thoughts on this product. Your feedback helps us continuously deliver best-in-class products and service. ~ Samsung Solutions

meggy, I am sorry that you experienced a volume issue with Netflix app. Our engineer team has tested it in the lab but could not reproduce the issue. If you the volume issue is still present, please reach out to us at: 1) Phone: 1-800-SAMSUNG Available 8AM – 9PM EST (Mon-Fri) 2) LiveChat: https://www.samsung.com/us/support/#contact_us_for_support 3) Facebook Messenger: https://www.facebook.com/samsungsupport 4) Twitter: https://twitter.com/SamsungSupport 5) The Samsung Members Community is also a great resource for getting help from Samsung moderators and customers: https://us.community.samsung.com If you have not already done so, we invite you to register your new Samsung product at: https://www.samsung.com/us/account/signin/?redirect=https%3A%2F%2Fwww.samsung.com%2Fus%2Fsupport%2Fregister%2F Registering your product gives you access to easy warranty support, convenient opt-in to special promos and offers, faster troubleshooting and service, and quick notification of system updates -Samsung Ambassador

Srys, I apologize for the App issues you had with your TU7000 TV. It may be related to your network connection and quality. We thus suggest you try the following: 1. Use 5G WiFi if possible 2. Try wired LAN if available 3. Try repositioning the router so there are no obstacles between your TV and the router If the issues persist, please reach out to Samsung Customer Support at: 1) Phone: 1-800-SAMSUNG (ask for TVs) Available 8AM - 12AM EST (Mon-Fri) / 9AM - 11PM EST (Sat-Sun) 2) LiveChat: https://www.samsung.com/us/support/#contact_us_for_support 3) Facebook Messenger: https://www.facebook.com/samsungsupport 4) Twitter: https://twitter.com/SamsungSupport Have you registered your new Samsung TV with us? If not, we invite you to do so at: https://www.samsung.com/us/account/signin/?redirect=https%3A%2F%2Fwww.samsung.com%2Fus%2Fsupport%2Fregister%2F, and gain access to easy warranty support, convenient opt-in to special promos & offers, faster troubleshooting & service, and quick notification of system updates. -Samsung Ambassador

JackZ23, I am sorry that you are experiencing stalling and freezing with your TU7000 TV. To optimize smart TV performance, please try the Device Care option under the Support Menu. Go to Settings > Support > Device Care > Start Device Care This checks memory and frees up unused cached memory and closes background apps. If you need further troubleshooting with this issue or have any other questions, please reach out to Samsung Customer Support via any of the following options: 1) Phone: 1-800-SAMSUNG (ask for TVs) -- Available 8AM - 12AM EST (Mon-Fri) / 9AM - 11PM EST (Sat-Sun) 2) LiveChat or Email: https://www.samsung.com/us/support/#contact_us_for_support 3) Facebook Messenger: https://www.facebook.com/samsungsupport 4) Twitter: https://twitter.com/SamsungSupport I hope the above tip resolves your issue. Otherwise, we hope to hear from you and assist with step-by-step troubleshooting in the context of your specific setup.