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

Manny L, I am sorry to hear that you are experiencing green screen with your TU7000 Crystal UHD TV. Please give us the opportunity to assist you by contacting 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 If you have not already done so, we invite you to register your new Samsung TV at: https://www.samsung.com/us/support/register/. Registering your product gives you access to easy warranty support, convenient opt-in to special promos & offers, faster troubleshooting & service, and quick notification of system updates. Again, I am very sorry for the inconveniences you have had, and hope that we will hear from you soon. -Samsung Ambassador

JAMES WHITAKER: Thank you for sharing your user experience with this TV. I am sorry that you are not completely satisfied with its sound performance. You may select from several Sound Modes and advanced settings to meet your personal preferences. Press the Home button on your remote, and then navigate to Settings > Sound > Sound Mode You can also customize the sound with Expert Settings. Home > Settings > Sound > Expert Settings. For assistance with these features or choosing a Samsung Soundbar to complement your viewing enjoyment, please reach out to us at: 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

Thank you, LuvUSenpal! We love to hear positive feedback and we hope you enjoy your new Samsung TV. 

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

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.