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.Step 3: Install Qualcomm USB Drivers on the PC.Step 2: Launch MSMDownload Tool and Boot OnePlus 6/6T into EDL Mode.Step 1: Download Decrypted Stock OxygenOS Firmware.