Reddit reviews Monoprice Certified Premium HDMI Cable - Black - 10 Feet | 4K@60Hz, HDR, 18Gbps, 28AWG, YUV 4

You need 18Gbps cables. Look for that specific spec in the description, then the brand doesn't really matter. Monoprice is gonna be your best value, I.e. https://www.amazon.com/Monoprice-Certified-Premium-Speed-Cable/dp/B01GCGKK82/ref=sr_1_2_sspa?ie=UTF8&qid=1509914782&sr=8-2-spons&keywords=Monoprice+hdr&psc=1

I had this issue. It turns out it was my hdmi cables. They were older, but still shouldn’t have been a problem I thought. They were 4K ready and all that. Then I bought some monoprice cables off Amazon and the flickering went away. They weren’t that much, maybe 7 bucks a cable. I know I’ll here from someone saying “cables don’t matter mannnnnn”. Whatever, buy one and try it out.

Here’s a link:

https://www.amazon.com/gp/product/B01GCGKK82/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

A word of caution, I just had to replace a similar Amazon Basic (full disclosure not the one rated for in the wall use) cable because it would not carry the HDR signal from my Apple TV 4K. Replaced with the monoprice version and now all is good. Looks for the words “Premium Certified”.
Link:
Monoprice Certified Premium High Speed HDMI Cable, HDR, 10ft - Black https://www.amazon.com/dp/B01GCGKK82/ref=cm_sw_r_cp_api_KZxYzbR242QDT

Yeah I’d love it if it was just a cable issue and I may just buy 1 more to test, but I’ve gone through multiple high speed 18gbps cables and purchased these monoprice hdmi cables but the issue still occurs.

Suggest you get a good Ethernet cable to hook up to TV. And some of the following...

For hooking up external hard drives to TV:
UGREEN Micro USB 3.0 Cable USB 3.0 Type A Male to Micro B Cord for Samsung Galaxy S5, Note 3, Camera, Hard Drive and More 1.5ft Black https://www.amazon.com/dp/B00P0C4M3Y/ref=cm_sw_r_cp_apa_XmB0BbWDV1P80

For sound bar/home theater receiver:
Cable Matters Gold Plated Toslink Digital Optical Audio Cable with Metal Connectors and Braided Jacket 10 Feet https://www.amazon.com/dp/B0099UWHH6/ref=cm_sw_r_cp_apa_xoB0BbRBVJDTY

For HDMI cables:
Monoprice 115429 Certified Premium High Speed HDMI Cable, 4K @ 60Hz, HDR, 18Gbps, 28AWG, YUV 4:4:4, 10ft, Black https://www.amazon.com/dp/B01GCGKK82/ref=cm_sw_r_cp_apa_4nB0BbPYT4BVJ

I have the 65 inch model of this Sony model and I'm very happy with it but I'm still somewhat confused with the HDMI ports capabilities. Like you, I was informed that I wouldn't be able to run HDR content via ports 1 or 4 but as of right now I have my standard (not Pro) PS4 connected to HDMI 4 and I'm running Got of War in HDR10, which I didn't think I would be able to do. So, it is confusing.

Also, I was having issues with my Apple 4K TV once I switched it to Dolby Vision output (via HDMI 2). The screen flicked on and off continually. I tried various fixes without success so ended up buying new HDMI leads (the ones I already had were good quality). After doing some research I purchased two of these (10 feet) ... https://www.amazon.com/gp/product/B01GCGKK82/ ... and (touch wood!) haven't had an issue since, with a perfect picture.

One other issue I am having is that the TV states that its software is up-to-date (it's running Android 7) yet I know that Android 8 is available for it. Strange and I'm not the only owner who has experienced this issue. I am considering doing a manual update via USB but would rather have the television do it automatically.

All that said, I am more than happy with my purchase. It is a superb piece of entertainment equipment.

Did the same, I got this cable from amazon and ran it from the receiver to the C9. MonoPrice HDMI https://www.amazon.com/gp/product/B01GCGKK82/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1

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I needed another one to go from my ATV4k to my receiver. Went to menards and picked up a RCA 6 ft HDMI 4k rated to 18gbs. So far everything looks great.

If you check the Wiki for extension, there is the monoprice one.

Also you could go with a HDMI coupler + HDMI cable route. Like this one from monoprice and a quality HDMI cable like this one from Monoprice too.

Something like this would be great:

Speakers

Recommended Receiver or Budget Reciever

Speaker Wire

HDMI

> Splurge

$10 for 10ft.

You want “Certified Premium”. In the future, if you want eARC and other features, you’d need “48G” HDMI, but that’s not out yet.

Very well could be your HDMI cable. Get one of these and it very well may solve your problems!

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• For in-wall installation or if you just want a thicker cable
  
• For everything else or if you just want a thinner cable

So my whole installation process was the first diy project I ever did. If you knew me, you'd know if I can do it, you can do it.

Issues I had: studs closer than expected (and metal), tons of insulation I had to rip out, cable connecting.

Studs closer together - I think universal standard is 16" apart where these were like 8 or 9. So when you get the powerbridge soundbar unit, you will notice it's like 11 or 12" long. Fortunately the main plug area is relatively small and the rest is to hold slack for cables. If you have the space, I highly suggest utilizing the whole piece. I had to tuck cable into the wall vertically to make it work after sawing off a big chunk to get it to fit.

Insulation - not everyone will have this issue. My wall was packed with this stuff and when it came time to fish the cables through the wall, it was a pain in the ass. I kept thinking i got it all only to find myself hitting more of it.

Cable connecting - this part was relatively easy and the issue I had is basically the insulation.

Just make sure that your top outlet (behind tv), mid outlet (soundbar) and bottom outlet (power) are all aligned vertically or close to it so you're within the same two studs. Other than that, it's pretty easy.

I do want to give a tip that will save you a headache in the long run and this cannot be overstated: IF you plan on using Apple TV 4k, arguably the best box for 4k content, with your OLED TV and you plan to mount your tv, go to Amazon and get this cable Monoprice 115429 Certified... https://www.amazon.com/dp/B01GCGKK82?ref=yo_pop_ma_swf

I know many people say HDMI cables are all the same. They're not. That logic applied to old HDMI cables. New ones are designed for 4k which requires a lot more bandwidth. Also when you run through the wall, you're bound to encounter interference.

We had a great HDMI cable but because it was old, the frequency would get distorted and the tv would flicker before going black. It's a known issue. If you Google it, you'll find many people with the issue.

At the time I installed, one cable proved to work but the largest one was 6ft. I needed 10ft. This cable came out shortly after. I read reviews and people who had same issue ordered this. We took tv off, fished the new cable down, plugged it all in, and we haven't had an issue since. I can't recommend this cable enough. It fucking sucks having to turn off Apple TV blind because of no picture and turning it off again. This would happen several times a day for weeks.

Have you tried swapping HDMI cables? If you have a spare, try replacing one run at a time, and see if there's any improvement. Doesn't have to be fancy; an AmazonBasics or Monoprice cable ought to be fine.

You mention a basement - How long are your HDMI cable runs? Are you using active cables? Some people run into issues with those.

Also: Have you tried using different HDMI ports on the TV? It could be that one particular port is causing issues.

ding ding ding. NEED CERTIFIED CABLES . No QR code = NOT CERTIFIED

https://smile.amazon.com/gp/product/B01GCGKK82/ref=oh_aui_search_detailpage?ie=UTF8&psc=1