If your UMS9117 device is getting physically hot, it's a sign that it is working hard. Understanding its thermal design power (TDP) is key. Documentation for the UMS9117 indicates a . This is a very low amount of heat, which is why these devices don't typically have active cooling like fans.
A user reported constant “device too hot” warnings on an Alcatel 1 (UMS9117). Logs showed: unisoc ums9117 driver hot
Note: It is highly recommended to temporarily disable Windows' "Driver Signature Enforcement" before starting, especially on Windows 8, 10, and 11, as many SPD drivers are not digitally signed . If your UMS9117 device is getting physically hot,
The Unisoc (formerly Spreadtrum) UMS9117 is a widely utilized chipset powering a variety of affordable feature phones, smartwatches, and entry-level IoT devices. It is designed to be efficient and cost-effective, offering 4G LTE connectivity for entry-level devices. However, many users have reported issues with their devices becoming unusually warm, often accompanied by the error or observation: "." This is a very low amount of heat,