How to solve the red Nokia logo problem on Lumia 520, Lumia 521, Lumia 525 and Lumia 526
Microsoft has released an update to their Windows Phone Reset Tool that intends to allow some phones to recover from the red Nokia logo screen (or a blank screen and nothing else in some models).
This new update on their reset tool will also allow Lumia 520 and Lumia 521 phones to get the Windows 10 Technical Preview updates on “Insider Fast”.
Recover from the red Nokia Logo
Microsoft has recommended the following steps:
Details of this method has been posted here.
Does it work for you?