Do not download EXE files claiming to be emergency tools—these are often malware.
Resurrecting the Lumia 650: A Guide to Emergency Files and "Unbricking" Your Device Microsoft Lumia 650 ---- Lumia 650 Emergency Files
No direct links – emergency files are copyright Microsoft/Nokia. Obtain from: Do not download EXE files claiming to be
Execute the emergency flash command (adjust COM port and file paths): ---- Lumia 650 Emergency Files
: Ensure you have the Windows Device Recovery Tool installed to get the necessary thor2.exe and drivers.
A well-known repository for Lumia Emergency Files .