DESCRIPTION

open reasrch tools

select stock rom

(open file (image file

copy and paste file (boot.img)  in your dvice

install magisk manager in your dviece

open magisk maneger and select install 

select install

select patch boot image file

select path for the boot.img

rename the file boot image to  boot.img 

copy  and replace the boot.img in stock rom 

and

※Please make a backup of your device before installing or updating ROM