Ifyou want to change what RGB Range the TV uses, you have to use the Expert Picture Settings option in the Roku app on your phone or other android or ioS device. Scroll down in Expert Picture Settings until you see Color Space option. On my TCL 55S405 it Color Space defaults to Native. The options in the drop-down are Native, Auto, and Custom. UnderPicture, go to Advanced settings. With Contrast highlighted, press 1 9 5 0 on your remote. This will bring up the hidden menu in top left of your screen. Using your remote, press down until Param Setting is highlighted, then press OK. Navigate to DBC > press OK > DBC Enable = off. The4-Series 4K TCL Android TV delivers stunning Ultra HD picture quality with four times the resolution of Full HD for enhanced clarity and detail, as well as endless entertainment with thousands of streaming apps. Watch your entertainment favorites in one place, with seamless access to over 700,000 movies and TV episodes, your cable box Step4: Link your Roku account and activate your device. You'll need a Roku account to be able to use your new Roku. The accounts are free, but you will need to create one if you don't have one Whitehat hacker finds a critical flaw in TCL smart TVs. Millions of TCL Android smart TVs are at risk for hacking thanks to a flaw found by a security researcher from Sick.Codes. The flaw Theremote is a Bluetooth-enabled device that pairs with your smartphone or tablet. You can control the TV, adjust the volume, and even change inputs with it. It also includes a USB port for charging your phone or tablet. TCL also offers a few smart features, including a game mode, a night vision feature, and a voice control feature. ShopTCL 55" Class 4-Series LED 4K UHD Smart Google TV at Best Buy. Find low everyday prices and buy online for delivery or in-store pick-up. Cell Phone Services; Apple Authorized Repair; Smart Home Services; My TV is the Best, I love it !!!! I caught a great deal. Read More. Rated 5 out of 5 stars. Reliable TV. Worth every penny! Owned Re How to fix TV that keeps turning on by itself. I discovered three solutions. 1. After turning off tv with TCL remote I unplug the tv briefly. (Not a good solution) 2. After turning off tv with TCL remote I remove the batteries from remote, briefly. (Better, but not good solution) Scanthe QR code on your TV to mirror. TCL built-in Chromecast. If you own the latest model of TCL TV, your TV is equipped with a built-in Chromecast. This way, as long you install a Chromecast-enabled app on your Android phone you can screen mirror Android to TCL TV. Make sure you install a Chromecast-enabled app on your phone. Thismeans you can use your Bluetooth headphones with any Google TV-powered Hisense, Sony, or TCL model, or a Chromecast With Google TV. The process is the same for both Android TV and Google TV. ZS4OBlC.