As of the last official support period, the for the U9-H is:
Open the case (warranty void) and attach small copper heatsinks to the top of the existing aluminum plate using thermal adhesive. This increases surface area. minix neo u9h firmware update hot
A corrupted or incomplete firmware update can cause the system to enter a soft kernel panic. The device restarts the failing process repeatedly, cycling the CPU at 100% usage non-stop. This is a primary cause of the “hot” complaint within hours of an update. As of the last official support period, the
The latest stable firmware for the Minix NEO U9-H is generally considered to be the Android 7.1.2 Community Edition (CE) FW001 , which was released by the Minix Forum Dev Team . This update is not available via Over-the-Air (OTA) The device restarts the failing process repeatedly, cycling
The most discussed firmware currently is the build (and its iterations).
If you recently updated to FW008 , your overheating issue is almost certainly firmware-related.