The phone replies: 0xFE 0x01 0x02 (I am alive. I am Qualcomm. I am waiting for a programmer).
The driver that enables Windows to recognize a Qualcomm-based device, particularly when it's in specialized modes like EDL (Emergency Download Mode) or fastboot mode.
A specialized driver required for Windows to recognize Qualcomm devices in EDL (Emergency Download) Mode qualcomm adb fastboot driver
A device driver installation wizard will pop up. Click and then Finish to complete the setup.
Before attempting driver installation, the Android device must be configured to communicate with the PC: Enable Developer Options : Navigate to Settings > About Phone Build Number seven times until "Developer mode" is active. Enable USB Debugging Developer Options USB Debugging USB Configuration The phone replies: 0xFE 0x01 0x02 (I am alive
Without these drivers, your computer might not recognize your device in adb devices or fastboot devices commands, resulting in errors like "waiting for device." Why You Need These Drivers
This tool operates when your device is in bootloader mode. It works before the Android operating system loads. Fastboot allows you to rewrite internal device partitions, change filesystems, and flash recovery images. The driver that enables Windows to recognize a
The screen flickered. The logo appeared. Android booted.
Method B — Manual via Device Manager (when Windows picks unknown device):
While your device is booted into the normal Android operating system or recovery mode.