FM 屏道默認設置爲歐洲

路徑： vendor/qcom/opensource/fm

FmSharedPreferences.java

Settings.java

setCountry(sp.getInt(FMCONFIG_COUNTRY, REGIONAL_BAND_EUROPE));

            mFMConfiguration.setLowerLimit(87500);
            mFMConfiguration.setUpperLimit(108000);

 FmSharedPreferences.setCountry(FmSharedPreferences.REGIONAL_BAND_EUROPE);