The unique hardware identifier string is a critical sequence used by operating systems to identify legacy Android and HTC hardware. When you see this identifier "verified" on a system, it means your computer has successfully detected an early-generation Android device—most famously the Go to product viewer dialog for this item.
Modern operating systems (Windows 10/11, modern Linux kernels, macOS) generally have generic drivers for Android devices (MTP/PTP). However, because 0C01 is a legacy diagnostic interface:
If the automatic installation fails, you can force Windows to recognize the device. Connect your HTC phone to the computer. Right-click the Start button and select .
Open the (Press Win + X and select Device Manager). usb vid0bb4 amppid0c01 verified
Select . Click Have Disk... and click Browse .
Modern Windows and Linux systems often include generic drivers that handle this ID. For older systems, you may need the Google USB Driver or specific legacy HTC sync software.
The string is composed of two primary components used by operating systems to identify hardware: The unique hardware identifier string is a critical
While modern Android phones use a standardized interface protocol, the 0C01 ID represents the "Wild West" era of Android connectivity.
Before installing any software, confirm that your host machine recognizes the device hardware accurately. On Microsoft Windows
Once installed, open a command prompt or terminal window and execute the following deployment test: adb devices Use code with caution. However, because 0C01 is a legacy diagnostic interface:
These devices share a common bootloader and recovery mode behavior. In fact, 0c01 is the USB ID used by many HTC-based devices when booted into , recovery mode , or ADB sideload mode .
If your computer shows an "Unknown Device" or "Error Code 43" with this ID, you should: Download official drivers Google USB Driver from the Android Developer site. Manual Installation Device Manager Right-click the device and select Update Driver Browse my computer Let me pick from a list and point to the downloaded driver folder. Android Developers HTC (High Tech Computer Corp.) — USB Vendor 0BB4
If you are encountering this error while trying to , you might want to try: