: Lower your screen resolution to FHD+ and set motion smoothness to Standard (60Hz) if the device consistently runs hot during basic tasks. Hardware Verification
The label typically indicates that your smartphone's processor (SoC) is in Exynos Download Mode or Emergency Download Mode (EDL) . This is a state where the phone's primary operating system is not loading, and the hardware is waiting for a low-level firmware flash via a tool like Odin . exynos usb device4000 hot
The overheating of a specific subsystem like the USB controller is rarely caused by a single factor. Common causes include: : Lower your screen resolution to FHD+ and
: This feature pushes the CPU to its limits, which is a major heat source for Exynos chips. Go to Settings > Battery and device care > Battery > More battery settings and turn it off. The overheating of a specific subsystem like the
sudo sh -c 'echo -1 > /sys/module/usbcore/parameters/autosuspend'