NOT GOOD - an acoustic problem

[benalvino]

you should check for hyper acoustic that might be better, but check for compactibility

[BoyZzYKJ]

May be you can use Black_Ice_WOW,its not bad~~
I have been using this for quite a long time d...^^

[vlax]

Your acoustics didnt work well because you needed closed .apfs such as farfield play closed.apf or farfield ring closed .apf. I had the same problem in my Z550i and after I put these closed .apfs in my phone, drivers worked well.

[amitmula]

i want z550i FS(APAC)

[amitmula]

i urgently need it ..can anyone help