Exynos Usb Device4000 Hot -

| Cause | Mechanism | Observable Symptoms | |-------|-----------|----------------------| | | Faulty charger or sinking >1.5A over VBUS for extended time | Connector pin 1 (VBUS) >55°C, PMIC overcurrent alarm | | PHY impedance mismatch | Degraded PCB trace or connector corrosion → reflected power → increased PHY bias current | SoC hot spot near USB region, packet CRC errors | | Continuous SuperSpeed operation | Exynos USB 3.0 PHY in P3 (U0) state for hours without LPM (Link Power Management) | Temperature rise from 30°C to 65°C within 15 mins | | Driver lockup | Kernel USB driver enters infinite polling loop → DMA engine stuck in active state → PHY never sleeps | usb 4-4000: reset high-speed USB device repeated every 2s | | Overvoltage on DP/DM | Moisture or short on USB data lines feeding 5V back into PHY's 3.3V domain | Burnt smell, charred resistor near USBLC6-2 protection IC |

If the message persists, it may be a physical hardware issue: Samsung Phone overheating? How to fix it (2025) | 6 Steps exynos usb device4000 hot

: If this is a phone connectivity issue, you can sometimes resolve "connected/disconnected" loops (which cause heat) by going to Settings > Apps > Show System Apps > Android System and managing USB notification categories. Are you seeing this "hot" error message on a computer physical hardware actually overheating? Exynos USB Device(4.0.0.0) (COM11) Driver for Intel | Cause | Mechanism | Observable Symptoms |

This typically happens when the device cannot boot into the Android system due to a critical hardware or software failure, and the heat suggests the processor is drawing excessive power while trying to initialize. 1. Identify the Cause Software Glitch: Exynos USB Device(4

If this message is appearing in logs or the device is physically overheating near the USB port, the following steps are recommended:

, find the "Exynos USB Device" under "Universal Serial Bus controllers" or "Ports (COM & LPT)", right-click to uninstall, and restart your computer to let Windows reinstall the driver. Check Hardware