I want to go back to Windows 8 Black from Cyan. Is it possible and how?

[Windows Central Question]

i want to go back to windows 8 black from cyan. is it possible and how?

Cyan s slowing down my lumia 620.

 

[FAHMI BASSEM]

Re: i want to go back to windows 8 black from cyan. is it possible and how?

You're right, black is the best update every, my 720 worked great