Or for a specific bus (check lsusb to find your Exynos device’s bus number):
If your phone is currently overheating or displaying this message, try these steps immediately: exynos usb device4000 hot
Use a dedicated power supply for the Exynos device (not just USB power). For Odroid XU4, use the 5V/4A barrel jack. For Galaxy phones in download mode, ensure the battery is at least 30% charged or use a “download mode jig” with external power. Or for a specific bus (check lsusb to