To enter service menu:
For movie purists watching in a dark room, this seems to be a net positive, bringing the processing closer to the step-up QN95B model.
Gamers note that the Samsung QN90B feels much more responsive in Game Mode, lowering overall latency for competitive play.
The discussion on the AVForums and HiFi forums illustrates this nuance. One user described their 43" QN90B as being "very hot" after an hour of Xbox gaming. Another, with a 50" model, confirmed that the same area is "warmer than skin temp, but not 'very hot'". The subjective experience of "hot" versus "very hot" is a major factor here. samsung qn90b firmware 1710 hot
Manually disable eARC or turn off Q-Symphony settings temporarily to stabilize the digital audio stream.
This is the million-dollar question for any QN90B owner experiencing high heat. The line between "normal operation" and "dangerous defect" is blurred, but the consensus from users and repair guides is that .
: Many users report a noticeably "snappier" interface. It appears to address long-standing sluggishness in the Tizen OS, reducing input lag when navigating menus. To enter service menu: For movie purists watching
If your TV has not automatically updated, you can check for it manually: Navigate to Software Update Update Now to check for version 1710.
. While Samsung often releases updates with generic "system optimization" notes, user reports and technical summaries highlight several "hot" topics regarding this specific version: Key Improvements & Changes System Stability:
Sometimes, old settings conflict with new firmware algorithms. Go to . Go to Settings > Sound > Expert Settings > Reset Sound . 3. Resolve Soundbar Issues (eARC) If your soundbar is behaving erratically: Unplug the HDMI cable from the eARC port. Turn off both the TV and soundbar. One user described their 43" QN90B as being
While unplugged, hold the physical power button on the TV itself for 30 seconds. Plug the TV back in and turn it on. 2. Reset Picture and Sound Settings
The Samsung QN90B uses a backlight. This technology allows for extreme brightness, which naturally produces heat. However, if the firmware manages the power distribution to the LED array poorly, the backlight might run at maximum intensity even when not needed, leading to the panel feeling hotter than usual. 2. Random Power Cycling
: Some users have experienced a critical bug where the TV randomly disconnects from WiFi every 20–30 minutes or loses connection to 5G bands. HDMI Signal Loss