Hi Gonzalo, thanks for writing in. Does the TV show the "HDR" logo on the source when you press the home button? The set should notify you when HDR information is being received by the set. Secondly, what picture mode did you select say, "Movie", or "Natural" etc. These have an important part in customizing the image to your taste. Thank you for your review and for bringing this to our attention. We would like to look into this for you. Please contact us at 1-800-SAMSUNG or via live chat on our website (www.samsung.com/ca/support). A.C

Onelove: Thank you for choosing the TU7000 Smart 4K TV and taking the time to share your experience. I am very sorry to hear that your Hulu app is not working as expected. Please check your network connection. When the network speed is slow, the app may not work, or its image quality may be poor. Other troubleshooting steps you can try are: 1) Cold boot your TV by holding down the power button on your remote for 5+ sec until the TV turns off and on again 2) Deleting and download the app 3) Or complete full reset of Smart Hub to correct the issue. Please also check that your TV is running the latest firmware version. If you need further assistance, please know that Samsung Customer Support is here to help. 1-800-SAMSUNG (ask for TVs), available 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 of the homepage 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 ~ Samsung Solutions