Here's the link of "Dolby speaker fix". Just got it from another website. Tried it myself.https://mega.nz/#!2ZFk3DiQ!42jS184GgtCoUkI0O0SFgkctxmx9t2SnE3NHlNcTDQk
If you just install over the rom you have i am not sure if xposed will work anymore, by the other hand there is another software out 14.6.A.1.236 but for some reason i fail updating my phone and i flash it clean. The choice is yours to flash or no...