The package also includes the MSMDownload tool, so you don’t have to download it separately. Step 1: Download Decrypted Stock OxygenOS Firmwareīelow, you will find the links to download decrypted OxygenOS firmware for your OnePlus 6 and OnePlus 6T. The tool will automatically unlock the phone’s bootloader before flashing the firmware and relock it later after the unbricking process finishes. The best part about using this tool and this method is that it also works even if your phone has a locked bootloader. So, even if your phone’s secondary bootloader (the one that is normally responsible for booting) is inaccessible, you can boot your OnePlus 6/6T into EDL mode, connect it to the PC, and use the MSMDownload tool to unbrick the phone. This special boot-mode is a feature available only for devices equipped with Qualcomm SoCs and is controlled by the primary bootloader. MSMDownload Tool basically communicates with your phone over Qualcomm’s EDL mode (Emergency Download Mode) to flash the stock OxygenOS firmware.
However, the tool was leaked for every OnePlus device in the past and is now available for the OnePlus 6 and OnePlus 6T as well. It is a low-level flashing utility that is used by OnePlus (and its parent company Oppo) to carry out flashing on their devices internally. Now, if you have found yourself landed in this ordeal, you can easily unbrick your OnePlus 6/6T using the MSMDownload tool.
And if you cannot boot into Fastboot/Recovery mode either, it means that you cannot install the stock firmware using Fastboot or Recovery Mode to unbrick it easily.
If your OnePlus 6/6T ticks any of the signs listed above, then it’s probably hard-bricked.
When connected to a Windows PC using a USB, the phone is detected as a ‘ QUSB_BULK‘ interface under Windows Device Manager.A simple way to check this is by holding the Volume Up and Power buttons together while the phone is switched off. Your phone doesn’t boot into Fastboot and Recovery modes even after pressing the proper button combination.That’s because the secondary bootloader is inaccessible. Your phone shows a black screen and might just vibrate when connected to the wall charger.Your phone shows the ‘ Your Device is corrupt‘ message while booting.So how do you differentiate if your phone has been soft-bricked or hard-bricked? Below are some of the signs that could help you figure this out.
Soft-brick or Hard-brick), your OnePlus 6/6T may bootloop or stay stuck at the OnePlus boot screen. Step 4: Flash Decrypted OxygenOS Firmware on OnePlus 6/6T using MSMDownload Tool.