use farmanager+JDFlasher
Connect your phone with FAR
+JDFlasher . In the Script section
choose DB2012, in the port
section choose DCU-60, in the speed
section select 921600. Press "jump
down into the large rabbit-hole".
When you see this image:
choose "ofs", go to "ifs/settings/acoustics" and copy apf files from
the right pannel to the left.