Thanks to xtreme music
2.Cwm or Twrp
Make a backup of your rom before flashing
1.First install this app and choose permissive option in this app
2.Go to recovery mode
Select install from sdcard
flash this file xtreme music
3.Wipe cache and delvic cache
4.Reboot the system
5.At last flash dolby
Don't forget to wipe delvic cache
Credits:xda forum and developers of above posted links
Ganesh Naik for suggesting above method
All group mebers of CPN3 Facebook group
1.what to do with selinux mode changer app after installing dolby?
A: Open app grant it supersu access , then set it to permissive.
2. Selinux have to set permissve all time or should I uninstall that app now?
A: Yes u can.
3. And what about other 2 xtreme and viper4 android?
A: No,don't uninstall extreme and viper.
4. Can I uninstall nu player?
A: Yes,you can.
5. It require su permission?