Use an official OnePlus Dash Type-C cable or a high-quality data syncing cable. Avoid loose USB ports or external USB hubs; plug directly into the computer motherboard. Step-by-Step OnePlus 3T Unbrick Guide
If you encounter issues while using the unbrick tool, look over these common error codes and troubleshooting steps. Device Not Detected / SMT Download Environment Error oneplus 3t unbrick tool
Leave the default settings intact. Do not modify the target or project configurations unless explicitly instructed by the package README file. Use an official OnePlus Dash Type-C cable or
Use an official OnePlus Dash Type-C cable or a high-quality data syncing cable. Avoid loose USB ports or external USB hubs; plug directly into the computer motherboard. Step-by-Step OnePlus 3T Unbrick Guide
If you encounter issues while using the unbrick tool, look over these common error codes and troubleshooting steps. Device Not Detected / SMT Download Environment Error
Leave the default settings intact. Do not modify the target or project configurations unless explicitly instructed by the package README file.