1 - Check Root Device!
2 - Download ES File Explorer (Google Play)
3 - Open ES File Explorer and accept permissions Root.
4 - Open Tools and mark Root Explorer.
5 - Come Back Local, and / Device next Open System after etc
6 - Paste file mixer_paths.xml (include link end post) and Replace existing File. (if you do not understand look at the attached images in the post.)
7 - Restart your Device
8 - Finish!
if by chance, your phone is muted after restart, follow These steps.
Open ES File Explorer, browse by location> / Device> System> etc and select mixer_paths.xml on file, go to properties, rw-rw-rw Then permissions and click change and tick all the boxes in Read and Write click ok and restart your device.
to better understand, look at the steps in the last images attached in the post.
DOWNLOAD MOD > https://mega.nz/#!5hkCVLBb!bJZqhuukE...w7zWPXGKaBzjpo