Sometimes a hidden, corrupted driver remains in the system and keeps reapplying the Exynos USB Device label.
If your device is getting hot while being recognized as this USB device, it is typically due to one of the following reasons: exynos usb device4000 hot
If your computer is showing this device and failing to recognize your phone properly: Sometimes a hidden, corrupted driver remains in the
However, when the temperature climbs beyond 50 °C and the back of the device feels uncomfortably hot to the touch for more than a few minutes, you are looking at an overheating scenario. In such a state, the phone may automatically begin thermal throttling (reducing clock speeds) to cool itself down. If the temperature continues to rise, the phone might shut down entirely to protect its internal components. A “hot” USB device that feels searingly hot rather than merely warm should be treated as a potential emergency—especially when the heat is localised around the USB port or the battery area. If the temperature continues to rise, the phone
Follow these steps to resolve the “Exynos USB Device4000 hot” error. The methods are ordered from simplest to most advanced.