You can skip this step, as driver signature enforcement is not an issue.
Restart your computer to ensure the driver installation is fully registered by the system. Step 2: Extract the Unbrick Tool Package
Click in the upper-left corner to begin the flashing process. Step 5: Wait for Completion
Initializing communication and sending the firehose programmer file.
Power off the device completely (hold the Power button down for 20 seconds just to be absolutely sure it is off). oneplus 3t unbrick tool
The progress bar will change colors as it moves through different stages:
Leave the target settings at their default values. Do not change any configuration checkboxes unless specified by your package instructions. Click the button in the top-left corner of the tool. Step 6: Wait for the Flash to Complete
Press and hold both the and Volume Down buttons simultaneously for at least 10 seconds.
The software UI will open. You should see one of the lines in the device table change to . You can skip this step, as driver signature
When the progress bar shows green text indicating or "SUCCESS," the phone will automatically reboot. Step 5: Finalization
The Ultimate Guide to the OnePlus 3T Unbrick Tool: How to Fix a Dead Device
A: Officially, no. The MsmDownloadTool.exe is a Windows-only application. You would need to use a Windows virtual machine, which is a risky method due to low-level USB access issues.
Release the buttons after 5 seconds. The phone screen will remain completely black; this is normal behavior for EDL mode. Step 4: Verify the Connection in Device Manager Right-click the Windows Start Menu and open . Expand the Ports (COM & LPT) section. Step 5: Wait for Completion Initializing communication and
Go to Settings > System Updates to download and install successive over-the-air updates until your device is fully up to date.
When the recovery process completes successfully, the status text will turn green and display a confirmation message such as "Download Complete".
. If it appears as "Unknown Device" or "QHUSB_BULK," right-click and manually update the driver using the files you downloaded. Run the Tool : Open the MsmDownloadTool V3 as an administrator. Flash Firmware
Navigate to > Advanced Options > Startup Settings > Restart .