People who are facing low sound issues on their phone can use it…. It will give you a very good quality of sound & clear bass as well… It should work on any ROM running Android version 4.1.X or above.
Download Link- DOLBY
Flashing Instruction
Reboot into recovery mode
Now select DOLBY.zip & flash it.
Reboot Now
Open Dolby from menu & activate any mode you like… DONE!!!
CREDITS
Snigdho Hasan
Vipul Verma
Dolby Team
That doesn't work with Techno g9 tablet for some reasons am yet to figure out!