If your command prompt hangs on "waiting for device" in Fastboot mode, your PC is missing the Fastboot interface driver. Open Device Manager while the phone is in Fastboot, locate the Android entry with the yellow triangle, click Update Driver > Let me pick from a list , select Android Device , and choose Android Bootloader Interface .
Go back to the main Settings menu and find or Additional Settings . Open Developer Options .
When your phone is booted into its bootloader interface (usually showing a clean text menu or a brand logo).
This indicates a driver conflict or failure:
Setting up your Qualcomm ADB and Fastboot drivers correctly is the foundational step required before attempting any advanced Android software modifications. By installing the standard ADB/Fastboot toolkit alongside the dedicated Qualcomm QDLoader 9008 framework, your PC gains complete communication capability with your device—regardless of whether it is booted into Android, locked in the bootloader interface, or sitting completely black in EDL recovery mode.
Go back to > System (or Additional Settings) > Developer Options . Toggle on USB Debugging and OEM Unlocking . 2. Prepare Your Windows PC