| Action | Effect | |--------|--------| | to 25–30 (Standard mode) | Significant heat drop | | Disable Intelligent Mode (Settings → General → Intelligent Mode → Off) | Reduces background AI processing | | Turn off Peak Brightness (Settings → Picture → Expert Settings → Peak Brightness → Off) | Lowers backlight power | | Switch to Movie / Filmmaker Mode | Less aggressive local dimming & power | | Disable Contrast Enhancer | Reduces voltage to panel | | Lower Power Saving → Maximum (Settings → General → Power and Energy Saving) | Software-throttles heat |
Audio integration has taken a hit. Multiple bug reports on the Samsung Support Forums show that when using standard soundbars or Samsung Q-Symphony, the audio will randomly pop or crackle, occasionally making the soundbar entirely unresponsive or causing Apple TV remotes to lose volume sync. 4. Disappearing Wi-Fi Connections
The most extreme reports (approximately 2% of users on AVSForum) describe the TV shutting down entirely with a pop-up message: “TV temperature is too high. The TV will turn off automatically to prevent damage.” This occurs after 3-4 hours of SDR sports viewing in warm ambient rooms (27°C+).
Updating to firmware 1710 is a relatively straightforward process: samsung qn90b firmware 1710 hot
Given the widespread and significant reports of picture quality degradation and audio issues, the smart move for most users is to wait . Do not update automatically. If you are currently happy with your TV's performance on an older firmware (like 1661 or 1610), there is little compelling reason to risk moving to 1710 based on current user feedback.
: The single biggest improvement is the elimination of UI lag. Navigating the Smart Hub, launching native applications, and responding to remote control inputs are significantly faster, solving one of the most frustrating aspects of the QN90B's stock software.
Firmware updates typically address various issues, including: | Action | Effect | |--------|--------| | to
: Users on Reddit's S95B Community report a significant reduction in menu navigation latency, resolving the sluggish behavior common to earlier builds.
Users across various forums have highlighted several positive changes after updating: Enhanced UI Responsiveness
| Symptom | Frequency | |--------|-----------| | Back panel noticeably hotter to touch | High | | Increased fan activity (where present) | Moderate | | Thermal shutdown after 4-6 hours of HDR gaming | Low | | Plastic creaking sounds from thermal expansion | Moderate | | Panel brightness auto-dimming more aggressively (not ABL but thermal throttling) | Low–Moderate | Do not update automatically
If your soundbar loses connection via eARC or Wi-Fi drops, unplug the TV's power cord from the wall for two full minutes. This drains the residual power from the mainboard chips and resolves device conflicts. Verdict: Should You Install It?
Network stability is another critical point of contention. Multiple users report that after the 1710 update dropped, their QN90B units began dropping their local Wi-Fi connections entirely every 20 to 30 minutes, severely disrupting movie streaming sessions. 4. Changes to Image Clarity and Dimming
The Samsung QN90B has long been hailed as one of the best Neo QLED TVs on the market, offering OLED-like blacks with the high peak brightness only a Mini-LED panel can provide. However, in the world of smart TVs, a piece of hardware is only as good as the software running it.
: A significant number of users have reported a bug where the TV randomly disconnects from Wi-Fi every 20–30 minutes. Peripheral Control (CEC)
: Some PS5 users experienced signal loss when switching between games. A potential workaround involves using 8K-certified HDMI cables or adjusting the video transfer rate to -1 on the console. Audio Glitches :
