Look for the active line labeled: Qualcomm HS-USB QDLoader 9008 (COMX) (where X indicates a specific port assignment number).
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When key combinations fail, you must physically short specific test points on the motherboard. This hardware-level trigger is often required for: Look for the active line labeled: Qualcomm HS-USB
If you see this entry without a yellow warning exclamation mark, your device is ready. You can now use tools like QPST, MSM Download Tool, or Miracle Box to flash firmware. MSM Download Tool