You need to add a new message and change device entry of 12d1:1f01.
Thanks to woec at OpenWrt forum, https://forum.openwrt.org/t/huawei-e3372h-320-in-ncm-mode/126018/12
You need to add a new message and change device entry of 12d1:1f01.\
Thanks to to used `woec` at OpenWrt forum who provided the informtion, https://forum.openwrt.org/t/huawei-e3372h-320-in-ncm-mode/126018/12
Add mmessage `"55534243123456780000000000000011063000000000010000000000000000"` at the end of the message block, in the begining of `/etc/usb-mode.json`.
Add message `"55534243123456780000000000000011063000000000010000000000000000"` at the end of the message block, in the begining of `/etc/usb-mode.json`.\