Libraries ||Library location||Function||Replacement|| ||/system/lib/libhtc_ril.so || Radio Interface library || reference ril (works well out of the box) ||
Firmwares ||Firmware location||Function|| ||/system/etc/firmware/*.acdb || Audio "card" firmware ||
References * http://github.com/CyanogenMod/android_device_htc_passion/raw/froyo/extract-files.sh