Here are some vkp patches for w660i:
Hyper:
Hyper bass, removes the voice equalizer to hyperbass
miniv2:
Minimizes bluetooth window
radio:
Radio without headsets
Faster file name:
Scrolls the file names faster.
Illumination patch:
Use full to get walkman work when patched from k610i/v6xx/k618i to w660i
set display to 50/60 % to get it work.