qingpingguo:/usr/share/firmware/wifi root# ls -l
total 8
drwxr-xr-x 37 root wheel 1184 Jan 1 2020 C-4357__s-B1/
drwxr-xr-x 19 root wheel 608 Jan 1 2020 C-4378__s-A0/
drwxr-xr-x 185 root wheel 5920 Jan 1 2020 C-4378__s-A1/
drwxr-xr-x 57 root wheel 1824 Jan 1 2020 C-4378__s-B0/
drwxr-xr-x 49 root wheel 1568 Jan 1 2020 C-4378__s-B1/
-rw-r--r-- 1 root wheel 639 Jan 1 2020 moana-PlatformConfig.plist
-rw-r--r-- 1 root wheel 354 Jan 1 2020 yodak-PlatformConfig.plist
qingpingguo:/usr/share/firmware/wifi root# find ./ | grep .trx
./C-4357__s-B1/yodak.trx
./C-4357__s-B1/yodak-R.trx
./C-4357__s-B1/yodak-NA.trx
./C-4357__s-B1/yodak-US.trx
./C-4357__s-B1/yodak-JP.trx
./C-4378__s-B1/moana.trx
./C-4378__s-A0/nan/moana.trx
./C-4378__s-A0/nan/moana-R.trx
./C-4378__s-A0/nan/moana-US.trx
./C-4378__s-A0/moana.trx
./C-4378__s-A0/moana-R.trx
./C-4378__s-A0/moana-US.trx
./C-4378__s-A0/perf/moana.trx
./C-4378__s-A0/perf/moana-R.trx
./C-4378__s-A0/perf/moana-US.trx
./C-4378__s-A1/nan/moana.trx
./C-4378__s-A1/moana.trx
./C-4378__s-A1/perf/moana.trx
./C-4378__s-B0/moana.trx
It's my iPhone 11 device. What's the usage of the directory '/usr/share/firmware/wifi'? Why there are so many sub-directories?
Plzzzzzzzzz help me!