The (or similar .ofp-based MSM tools) is the ultimate, low-level unbricking utility for specific Qualcomm-based OnePlus devices (notably used for the OnePlus 7T Pro 5G McLaren [tmo] or similar 2019-2020 devices). It flashes the stock OxygenOS factory image directly to the device via Qualcomm Emergency Download Mode (EDL).
: The "RCSM" variant is designed to allow users to flash firmware without an authorized service center account. msmdownloadtoolv2071rcsm full
It is designed to work with .ofp (Oppo Flash Package) files. Prerequisites Before You Begin MSMDownloadTool v2071rcsm The (or similar