This is usually a driver issue. Try a different USB port or reinstall the Broadcom drivers.
Select the correct that matches what you saw in Device Manager. 4. The Flashing Process fastgsm bcm flasher 1.0.0.33 pour Windows
Locate a verified download source for the FastGSM BCM Flasher 1.0.0.33. Ensure your antivirus is temporarily disabled, as these types of tools are often flagged as "False Positives" due to their deep-level hardware access. This is usually a driver issue
Connect your phone using a high-quality micro-USB cable. Once connected, check your Windows . You should see a "Broadcom USB Port" listed under "Ports (COM & LPT)." 3. Selecting Files In the software interface: Select the correct Model from the dropdown menu. fastgsm bcm flasher 1.0.0.33 pour Windows