Using MSMDownloadTool v1.8.6 on a device not owned by you is illegal in most jurisdictions regarding repair rights. Furthermore:
: If the phone exits EDL mode within seconds, ensure the Start button was pressed in the tool beforehand. msmdownloadtool v1.8.6
: Resolving instances where the phone is stuck on the logo screen. Reverting to Stock Using MSMDownloadTool v1
: Works on devices with locked bootloaders. msmdownloadtool v1.8.6