Sm-a510f 6.0.1 latest bulid downgrade problem

Hi
I wanna downgrade my A510FXXS3BPI1
Android 6.0.1
Every 4 file 5.1.1 failed please help
Is any solution?
combination file is compatible?

Tags:

  • a510f downgrade 6 0 1 to 5 1 1
  • how to downgrade a510f from 6 0 1 to 5 1 1