While continuing to hold Volume Up, plug the USB cable into your phone.
Right-click the Start button > Device Manager . Look under "Ports (COM & LPT)" or "Unknown Devices." It should show as QHUSB_BULK or Qualcomm HS-USB QDLoader 9008 . 4. Running the MSM Download Tool oneplus 3t unbrick tool
Follow these steps precisely. If you miss one, the tool will freeze at "Param Preprocessing" or "Sahara Communication Failed." While continuing to hold Volume Up, plug the
If it shows as "Unknown Device" in Device Manager, right-click it, select "Update Driver," and manually point to the driver folder you extracted earlier. If it boots but stays on a logo,
If it boots but stays on a logo, try a Hard Reset by holding Power + Volume Down to enter recovery and wiping data/cache.
Saving Your OnePlus 3T : The Ultimate Unbrick Guide OnePlus 3T
Press and hold the Power button for at least 40 seconds to ensure the device is completely off.