Step 1:
Prepare your ROFS2
Dolby Option Files (Only Dolby) --> I use this one because my Music Player default is Taylor leaked version v17.1.13
Download Link
Step 2:
Extract it, put and replace to the ROFS2 using NokiaCooker v2.8 and save.
Step 3:
Use Phoenix with this ROFS2 and .core, rofs3 and others together to refurbish your phone
Finish~ Enjoy
Dobly headphone sound is awesome It is not Stereo Widening, It is real Dobly Headphone