/vendor/firmware_mnt 独立分区

/vendor/firmware_mnt/image
vsimapp
voicepri
modem

/vendor/firmware_mnt/image/modem_pr/mcfg/configs/mcfg_sw
SEA 东南亚 下面有泰国的 AIS, 菲律宾 Globe, 马来 UMobile

UMobile/Commercial/Malaysia/mcfg_sw.mbn
Globe/Commercial/PH/mcfg_sw.mbn
AIS/Commercial/Thailand/mcfg_sw.mbn

China/CU/Commercial/OpenMkt/mcfg_sw.mbn
China/CU/Commercial/VoLTE/mcfg_sw.mbn
China/CMCC/Commercial/Volte_OpenMkt/mcfg_sw.mbn