diff --git a/homeassistant/components/samsungtv/entity.py b/homeassistant/components/samsungtv/entity.py
index 030eaf98d9b..1af7495d78e 100644
--- a/homeassistant/components/samsungtv/entity.py
+++ b/homeassistant/components/samsungtv/entity.py
@@ -42,6 +42,7 @@ class SamsungTVEntity(CoordinatorEntity[SamsungTVDataUpdateCoordinator], Entity)
             name=config_entry.data.get(CONF_NAME),
             manufacturer=config_entry.data.get(CONF_MANUFACTURER),
             model=config_entry.data.get(CONF_MODEL),
+            model_id=config_entry.data.get(CONF_MODEL),
         )
         if self.unique_id:
             self._attr_device_info[ATTR_IDENTIFIERS] = {(DOMAIN, self.unique_id)}
diff --git a/tests/components/samsungtv/snapshots/test_init.ambr b/tests/components/samsungtv/snapshots/test_init.ambr
index 061b5bc1836..017a2bc3e60 100644
--- a/tests/components/samsungtv/snapshots/test_init.ambr
+++ b/tests/components/samsungtv/snapshots/test_init.ambr
@@ -72,7 +72,7 @@
       }),
       'manufacturer': None,
       'model': '82GXARRS',
-      'model_id': None,
+      'model_id': '82GXARRS',
       'name': 'fake',
       'name_by_user': None,
       'primary_config_entry': <ANY>,