diff --git a/homeassistant/components/huawei_lte/__init__.py b/homeassistant/components/huawei_lte/__init__.py
index 29db6026cc4..c0db281d768 100644
--- a/homeassistant/components/huawei_lte/__init__.py
+++ b/homeassistant/components/huawei_lte/__init__.py
@@ -63,6 +63,7 @@ from .const import (
     KEY_DEVICE_INFORMATION,
     KEY_DEVICE_SIGNAL,
     KEY_DIALUP_MOBILE_DATASWITCH,
+    KEY_MONITORING_CHECK_NOTIFICATIONS,
     KEY_MONITORING_MONTH_STATISTICS,
     KEY_MONITORING_STATUS,
     KEY_MONITORING_TRAFFIC_STATISTICS,
@@ -243,6 +244,10 @@ class Router:
         self._get_data(
             KEY_MONITORING_MONTH_STATISTICS, self.client.monitoring.month_statistics
         )
+        self._get_data(
+            KEY_MONITORING_CHECK_NOTIFICATIONS,
+            self.client.monitoring.check_notifications,
+        )
         self._get_data(KEY_MONITORING_STATUS, self.client.monitoring.status)
         self._get_data(
             KEY_MONITORING_TRAFFIC_STATISTICS, self.client.monitoring.traffic_statistics
diff --git a/homeassistant/components/huawei_lte/binary_sensor.py b/homeassistant/components/huawei_lte/binary_sensor.py
index 575cc9789ca..2b55245719b 100644
--- a/homeassistant/components/huawei_lte/binary_sensor.py
+++ b/homeassistant/components/huawei_lte/binary_sensor.py
@@ -13,7 +13,12 @@ from homeassistant.components.binary_sensor import (
 from homeassistant.const import CONF_URL
 
 from . import HuaweiLteBaseEntity
-from .const import DOMAIN, KEY_MONITORING_STATUS, KEY_WLAN_WIFI_FEATURE_SWITCH
+from .const import (
+    DOMAIN,
+    KEY_MONITORING_CHECK_NOTIFICATIONS,
+    KEY_MONITORING_STATUS,
+    KEY_WLAN_WIFI_FEATURE_SWITCH,
+)
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -29,6 +34,9 @@ async def async_setup_entry(hass, config_entry, async_add_entities):
         entities.append(HuaweiLteWifi24ghzStatusBinarySensor(router))
         entities.append(HuaweiLteWifi5ghzStatusBinarySensor(router))
 
+    if router.data.get(KEY_MONITORING_CHECK_NOTIFICATIONS):
+        entities.append(HuaweiLteSmsStorageFullBinarySensor(router))
+
     async_add_entities(entities, True)
 
 
@@ -194,3 +202,32 @@ class HuaweiLteWifi5ghzStatusBinarySensor(HuaweiLteBaseWifiStatusBinarySensor):
     @property
     def _entity_name(self) -> str:
         return "5GHz WiFi status"
+
+
+@attr.s
+class HuaweiLteSmsStorageFullBinarySensor(HuaweiLteBaseBinarySensor):
+    """Huawei LTE SMS storage full binary sensor."""
+
+    def __attrs_post_init__(self):
+        """Initialize identifiers."""
+        self.key = KEY_MONITORING_CHECK_NOTIFICATIONS
+        self.item = "SmsStorageFull"
+
+    @property
+    def _entity_name(self) -> str:
+        return "SMS storage full"
+
+    @property
+    def is_on(self) -> bool:
+        """Return whether the binary sensor is on."""
+        return self._raw_state is not None and int(self._raw_state) != 0
+
+    @property
+    def assumed_state(self) -> bool:
+        """Return True if real state is assumed, not known."""
+        return self._raw_state is None
+
+    @property
+    def icon(self):
+        """Return WiFi status sensor icon."""
+        return "mdi:email-alert" if self.is_on else "mdi:email-off"
diff --git a/homeassistant/components/huawei_lte/const.py b/homeassistant/components/huawei_lte/const.py
index 2c5a3f8a9f6..039bab10fb9 100644
--- a/homeassistant/components/huawei_lte/const.py
+++ b/homeassistant/components/huawei_lte/const.py
@@ -27,6 +27,7 @@ KEY_DEVICE_BASIC_INFORMATION = "device_basic_information"
 KEY_DEVICE_INFORMATION = "device_information"
 KEY_DEVICE_SIGNAL = "device_signal"
 KEY_DIALUP_MOBILE_DATASWITCH = "dialup_mobile_dataswitch"
+KEY_MONITORING_CHECK_NOTIFICATIONS = "monitoring_check_notifications"
 KEY_MONITORING_MONTH_STATISTICS = "monitoring_month_statistics"
 KEY_MONITORING_STATUS = "monitoring_status"
 KEY_MONITORING_TRAFFIC_STATISTICS = "monitoring_traffic_statistics"
@@ -36,13 +37,18 @@ KEY_SMS_SMS_COUNT = "sms_sms_count"
 KEY_WLAN_HOST_LIST = "wlan_host_list"
 KEY_WLAN_WIFI_FEATURE_SWITCH = "wlan_wifi_feature_switch"
 
-BINARY_SENSOR_KEYS = {KEY_MONITORING_STATUS, KEY_WLAN_WIFI_FEATURE_SWITCH}
+BINARY_SENSOR_KEYS = {
+    KEY_MONITORING_CHECK_NOTIFICATIONS,
+    KEY_MONITORING_STATUS,
+    KEY_WLAN_WIFI_FEATURE_SWITCH,
+}
 
 DEVICE_TRACKER_KEYS = {KEY_WLAN_HOST_LIST}
 
 SENSOR_KEYS = {
     KEY_DEVICE_INFORMATION,
     KEY_DEVICE_SIGNAL,
+    KEY_MONITORING_CHECK_NOTIFICATIONS,
     KEY_MONITORING_MONTH_STATISTICS,
     KEY_MONITORING_STATUS,
     KEY_MONITORING_TRAFFIC_STATISTICS,
diff --git a/homeassistant/components/huawei_lte/sensor.py b/homeassistant/components/huawei_lte/sensor.py
index cf05ef04c1a..ccdeb47ee88 100644
--- a/homeassistant/components/huawei_lte/sensor.py
+++ b/homeassistant/components/huawei_lte/sensor.py
@@ -23,6 +23,7 @@ from .const import (
     DOMAIN,
     KEY_DEVICE_INFORMATION,
     KEY_DEVICE_SIGNAL,
+    KEY_MONITORING_CHECK_NOTIFICATIONS,
     KEY_MONITORING_MONTH_STATISTICS,
     KEY_MONITORING_STATUS,
     KEY_MONITORING_TRAFFIC_STATISTICS,
@@ -157,6 +158,15 @@ SENSOR_META = {
         and "mdi:signal-cellular-2"
         or "mdi:signal-cellular-3",
     ),
+    KEY_MONITORING_CHECK_NOTIFICATIONS: dict(
+        exclude=re.compile(
+            r"^(onlineupdatestatus|smsstoragefull)$",
+            re.IGNORECASE,
+        )
+    ),
+    (KEY_MONITORING_CHECK_NOTIFICATIONS, "UnreadMessage"): dict(
+        name="SMS unread", icon="mdi:email-receive"
+    ),
     KEY_MONITORING_MONTH_STATISTICS: dict(
         exclude=re.compile(r"^month(duration|lastcleartime)$", re.IGNORECASE)
     ),