Device tracker for router model HUAWEI WiFi AX3 WS7200-20

This router model is being used in Switzerland by Salt (provider). It comes together with an LTE 5G modem. But the available device tracker huawei_router does not succeed in contacting the router. The message sequence below keeps being repeated.
As the device doesn’t have a user name but only an admin password, I cannot write a username in the configuration.yaml, but this is not accepted. It seems to me that the present solution (apparently written for devices used in Portugal) is not applicable to the model I have.
Can anyone help?

Logger: homeassistant
Source: components/huawei_router/device_tracker.py:123
First occurred: 11:44:28 (183 occurrences)
Last logged: 12:20:53

Error doing job: Task exception was never retrieved
Traceback (most recent call last):
File “/usr/src/homeassistant/homeassistant/components/device_tracker/legacy.py”, line 329, in async_device_tracker_scan
found_devices = await scanner.async_scan_devices()
File “/usr/src/homeassistant/homeassistant/components/device_tracker/legacy.py”, line 795, in async_scan_devices
return await self.hass.async_add_executor_job(self.scan_devices)
File “/usr/local/lib/python3.8/concurrent/futures/thread.py”, line 57, in run
result = self.fn(*self.args, **self.kwargs)
File “/usr/src/homeassistant/homeassistant/components/huawei_router/device_tracker.py”, line 65, in scan_devices
self._update_info()
File “/usr/src/homeassistant/homeassistant/components/huawei_router/device_tracker.py”, line 82, in _update_info
data = self._get_data()
File “/usr/src/homeassistant/homeassistant/components/huawei_router/device_tracker.py”, line 100, in _get_data
array_regex_res = self.ARRAY_REGEX.search(self._get_devices_response())
File “/usr/src/homeassistant/homeassistant/components/huawei_router/device_tracker.py”, line 123, in _get_devices_response
cnt_str = str(cnt.content, cnt.apparent_encoding, errors=“replace”)
TypeError: str() argument 2 must be str, not None

hit exactly the same issue, I suspect this router might be not supported yet, but unsure
any help appreciated

Really interested as well, just got this router to upgrade my wifi speed while my last router was compatible with HA…

Maybe this component will be compatible with your router? GitHub - vmakeev/huawei_mesh_router: Huawei Mesh 3 router component for Home Assistant