How To Fixed Samsung S7, S7Edge DRK & Root Solution

Samsung S7, S7Edge DRK & Root Solution Free

Samsung S7, S7Edge DRK & Root Solution

What's DRK?
       Device Root Key This Happen with Rooted Device, like S6/S6 Edge, S6 Edge plus, Note 5, S7/S7 Edge etc.
Afetr flash rooted Device it will stuck on start up with "dm-verity verification failed..." ..need to check DRK first... picture above.
 is a device-unique asymmetric key pair that is signed by Samsung’s root key through an X.509 certificate. This certificate proves that the DRK was produced by Samsung.

G930F

G930FD 

G930X

G935

G935FD 

G935X 

G935W8 

G930W8 

HOW TO FIX.
1st Download twrp of you Model from above Link
Flash twrp using odin Learn how to Use Odin From Here
wipe data Factory reset
install Samsung S7 DRK Fix download from here
again wipe reboot again twrp recovery mode
install BETA-SuperSU-v2.71 download from here
DRK Fixed
Also Root Successful