Working with hardware test points requires patience and precision. Slipups with tweezers can easily scratch the motherboard traces or short-circuit the wrong components, causing permanent electrical damage. Never apply force when touching test points, and always ensure the battery is fully disconnected before shorting any contacts to prevent short circuits.
: You can use the HUAWEI One-click Driver Download Tool or HUAWEI PC Manager to manage standard drivers.
: Choose HUAWEI USB COM 1.0 from the list and click Next to install. 3. Verification
Download a trusted version of the Huawei USB COM 1.0 Driver package (often bundled with the HiSuite connectivity suite or standalone technician packs like Huawei Driver v1.0.0.2 or similar). Extract the ZIP or RAR archive to an accessible folder on your desktop. Step 3: Install the Drivers Manually via Device Manager test point driver huawei
Without this specific driver installed, your computer will display the device as an "Unknown Device" or flag it with a yellow exclamation mark in Device Manager. Once properly installed, the driver maps the phone to a functional virtual COM port, allowing service software to send raw flashing commands directly to the Kirin processor. Prerequisites Before Installation
: This is the critical driver that allows the PC to see the device after the test point is triggered.
If the device changes names or fails to show up as a COM port, the computer cannot read the hardware identity. Working with hardware test points requires patience and
When a Huawei phone is powered on normally, it loads the bootloader, then the kernel, then Android. If the software is corrupt (wrong flash, locked FRP, erased boot), the phone cannot enter fastboot or system.
This forces the phone into USB COM 1.0 Mode (also known as Huawei USB COM 1.0).
This state is commonly called Huawei USB COM 1.0 mode. : You can use the HUAWEI One-click Driver
Look for an item labeled Unknown Device or SER-USB under ports or other devices.
: To pull diagnostic reports from a functioning device, use the dialer code *#9900# .
Some driver packages come bundled with a automated setup wizard (e.g., DriverSetup.exe ). For these packages, simply right-click the executable, select , and follow the on-screen prompts. Restart your computer after the installer finishes to ensure the changes take effect. Verifying a Successful Connection
The hardware connection failed during the handshake process, or the USB cable is faulty.
Once the installation is complete, the device should appear in Device Manager under as "Huawei USB COM 1.0" or similar. If the driver fails to install, try the following: