How to Unbrick a Lumia 520 in Dead Black Screen or Red Screen Bug - Microsoft Community
How to Unbrick a Lumia 520 in Dead Black Screen or Red Screen Bug - Microsoft Community
Making FFU firmwares for Lumia devices – Gustave's hut
How to Flash Windows Phone (LUMIA & OTHER-OEM) - YouTube
Fix: Lumia Icon can't roll back to Windows 8.1
Lumia 535 Bricked, screen doesn't turn on at all (no microsoft logo), and when it's plugged in, it makes a vibration and restarts every 15 seconds. : r/windowsphone
Tutorial: How to De-Brand your AT&T Lumia 640 LTE & Flash another ROM - Nokiapoweruser