diff --git a/homeassistant/components/huawei_lte/config_flow.py b/homeassistant/components/huawei_lte/config_flow.py
index 9d5ce40074d..c70b96297b7 100644
--- a/homeassistant/components/huawei_lte/config_flow.py
+++ b/homeassistant/components/huawei_lte/config_flow.py
@@ -189,7 +189,7 @@ class ConfigFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
         except LoginErrorPasswordWrongException:
             errors[CONF_PASSWORD] = "incorrect_password"
         except LoginErrorUsernamePasswordWrongException:
-            errors[CONF_USERNAME] = "incorrect_username_or_password"
+            errors[CONF_USERNAME] = "invalid_auth"
         except LoginErrorUsernamePasswordOverrunException:
             errors["base"] = "login_attempts_exceeded"
         except ResponseErrorException:
@@ -200,7 +200,7 @@ class ConfigFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
             errors[CONF_URL] = "connection_timeout"
         except Exception:  # pylint: disable=broad-except
             _LOGGER.warning("Unknown error connecting to device", exc_info=True)
-            errors[CONF_URL] = "unknown_connection_error"
+            errors[CONF_URL] = "unknown"
         if errors:
             await self.hass.async_add_executor_job(logout)
             return await self._async_show_user_form(
diff --git a/homeassistant/components/huawei_lte/strings.json b/homeassistant/components/huawei_lte/strings.json
index 8435d0a5347..a19d7e8de05 100644
--- a/homeassistant/components/huawei_lte/strings.json
+++ b/homeassistant/components/huawei_lte/strings.json
@@ -1,20 +1,19 @@
 {
   "config": {
     "abort": {
-      "already_configured": "This device has already been configured",
+      "already_configured": "[%key:common::config_flow::abort::already_configured_device%]",
       "already_in_progress": "This device is already being configured",
       "not_huawei_lte": "Not a Huawei LTE device"
     },
     "error": {
-      "connection_failed": "Connection failed",
       "connection_timeout": "Connection timeout",
       "incorrect_password": "Incorrect password",
       "incorrect_username": "Incorrect username",
-      "incorrect_username_or_password": "Incorrect username or password",
+      "invalid_auth": "[%key:common::config_flow::error::invalid_auth%]",
       "invalid_url": "Invalid URL",
       "login_attempts_exceeded": "Maximum login attempts exceeded, please try again later",
       "response_error": "Unknown error from device",
-      "unknown_connection_error": "Unknown error connecting to device"
+      "unknown": "[%key:common::config_flow::error::unknown%]"
     },
     "flow_title": "Huawei LTE: {name}",
     "step": {
diff --git a/tests/components/huawei_lte/test_config_flow.py b/tests/components/huawei_lte/test_config_flow.py
index ae1e8184727..48a3d287b43 100644
--- a/tests/components/huawei_lte/test_config_flow.py
+++ b/tests/components/huawei_lte/test_config_flow.py
@@ -84,7 +84,7 @@ async def test_connection_error(hass, requests_mock):
 
     assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
     assert result["step_id"] == "user"
-    assert result["errors"] == {CONF_URL: "unknown_connection_error"}
+    assert result["errors"] == {CONF_URL: "unknown"}
 
 
 @pytest.fixture
@@ -111,7 +111,7 @@ def login_requests_mock(requests_mock):
         (LoginErrorEnum.PASSWORD_WRONG, {CONF_PASSWORD: "incorrect_password"}),
         (
             LoginErrorEnum.USERNAME_PWD_WRONG,
-            {CONF_USERNAME: "incorrect_username_or_password"},
+            {CONF_USERNAME: "invalid_auth"},
         ),
         (LoginErrorEnum.USERNAME_PWD_ORERRUN, {"base": "login_attempts_exceeded"}),
         (ResponseCodeEnum.ERROR_SYSTEM_UNKNOWN, {"base": "response_error"}),