The central concern, as voiced by users on AVForums and other communities, is that the back of the television can become very hot to the touch after the TV has been running for an hour or more. This heating is not uniform across the entire panel but tends to concentrate in specific hotspots on the back. In the 43" model, for instance, users have identified that the area over the CI module adapter and near the HDMI and USB ports can become particularly warm when the TV is operating under load, such as when gaming at 4K resolution and 120Hz with HDR enabled.
As is customary with Samsung, detailed changelogs are rare. It is primarily a bug-fix and optimization update. samsung qn90b firmware 1710 hot
As of late 2025, the 1710 firmware was rolled out as a major update intended to improve system stability and correct errors from previous, buggy versions (such as the skipped or revoked 1705 update). The central concern, as voiced by users on
User measurements (IR thermometer, back panel center, 2 hours of HDR content): As is customary with Samsung, detailed changelogs are rare