diff --git a/homeassistant/components/samsungtv/__init__.py b/homeassistant/components/samsungtv/__init__.py
index 5647b407bfb..bc49dc3156d 100644
--- a/homeassistant/components/samsungtv/__init__.py
+++ b/homeassistant/components/samsungtv/__init__.py
@@ -3,6 +3,7 @@ import socket
 
 import voluptuous as vol
 
+from homeassistant.components.media_player.const import DOMAIN as MP_DOMAIN
 from homeassistant.const import CONF_HOST, CONF_NAME, CONF_PORT
 import homeassistant.helpers.config_validation as cv
 
@@ -41,7 +42,14 @@ CONFIG_SCHEMA = vol.Schema(
 async def async_setup(hass, config):
     """Set up the Samsung TV integration."""
     if DOMAIN in config:
+        hass.data[DOMAIN] = {}
         for entry_config in config[DOMAIN]:
+            ip_address = await hass.async_add_executor_job(
+                socket.gethostbyname, entry_config[CONF_HOST]
+            )
+            hass.data[DOMAIN][ip_address] = {
+                CONF_ON_ACTION: entry_config.get(CONF_ON_ACTION)
+            }
             hass.async_create_task(
                 hass.config_entries.flow.async_init(
                     DOMAIN, context={"source": "import"}, data=entry_config
@@ -54,7 +62,7 @@ async def async_setup(hass, config):
 async def async_setup_entry(hass, entry):
     """Set up the Samsung TV platform."""
     hass.async_create_task(
-        hass.config_entries.async_forward_entry_setup(entry, "media_player")
+        hass.config_entries.async_forward_entry_setup(entry, MP_DOMAIN)
     )
 
     return True
diff --git a/homeassistant/components/samsungtv/config_flow.py b/homeassistant/components/samsungtv/config_flow.py
index 0bf39cc248b..debe7349b6c 100644
--- a/homeassistant/components/samsungtv/config_flow.py
+++ b/homeassistant/components/samsungtv/config_flow.py
@@ -9,7 +9,6 @@ import voluptuous as vol
 from homeassistant import config_entries
 from homeassistant.components.ssdp import (
     ATTR_SSDP_LOCATION,
-    ATTR_UPNP_FRIENDLY_NAME,
     ATTR_UPNP_MANUFACTURER,
     ATTR_UPNP_MODEL_NAME,
     ATTR_UPNP_UDN,
@@ -24,20 +23,13 @@ from homeassistant.const import (
 )
 
 # pylint:disable=unused-import
-from .const import (
-    CONF_MANUFACTURER,
-    CONF_MODEL,
-    CONF_ON_ACTION,
-    DOMAIN,
-    LOGGER,
-    METHODS,
-)
+from .const import CONF_MANUFACTURER, CONF_MODEL, DOMAIN, LOGGER, METHODS
 
 DATA_SCHEMA = vol.Schema({vol.Required(CONF_HOST): str, vol.Required(CONF_NAME): str})
 
 RESULT_AUTH_MISSING = "auth_missing"
 RESULT_SUCCESS = "success"
-RESULT_NOT_FOUND = "not_found"
+RESULT_NOT_SUCCESSFUL = "not_successful"
 RESULT_NOT_SUPPORTED = "not_supported"
 
 
@@ -63,23 +55,21 @@ class SamsungTVConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
         self._method = None
         self._model = None
         self._name = None
-        self._on_script = None
         self._port = None
         self._title = None
-        self._uuid = None
+        self._id = None
 
     def _get_entry(self):
         return self.async_create_entry(
             title=self._title,
             data={
                 CONF_HOST: self._host,
-                CONF_ID: self._uuid,
+                CONF_ID: self._id,
                 CONF_IP_ADDRESS: self._ip,
                 CONF_MANUFACTURER: self._manufacturer,
                 CONF_METHOD: self._method,
                 CONF_MODEL: self._model,
                 CONF_NAME: self._name,
-                CONF_ON_ACTION: self._on_script,
                 CONF_PORT: self._port,
             },
         )
@@ -94,7 +84,8 @@ class SamsungTVConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
                 "host": self._host,
                 "method": method,
                 "port": self._port,
-                "timeout": 1,
+                # We need this high timeout because waiting for auth popup is just an open socket
+                "timeout": 31,
             }
             try:
                 LOGGER.debug("Try config: %s", config)
@@ -108,15 +99,14 @@ class SamsungTVConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
             except UnhandledResponse:
                 LOGGER.debug("Working but unsupported config: %s", config)
                 return RESULT_NOT_SUPPORTED
-            except (OSError):
-                LOGGER.debug("Failing config: %s", config)
+            except OSError as err:
+                LOGGER.debug("Failing config: %s, error: %s", config, err)
 
         LOGGER.debug("No working config found")
-        return RESULT_NOT_FOUND
+        return RESULT_NOT_SUCCESSFUL
 
     async def async_step_import(self, user_input=None):
         """Handle configuration by yaml file."""
-        self._on_script = user_input.get(CONF_ON_ACTION)
         self._port = user_input.get(CONF_PORT)
 
         return await self.async_step_user(user_input)
@@ -133,7 +123,8 @@ class SamsungTVConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
 
             self._host = user_input.get(CONF_HOST)
             self._ip = self.context[CONF_IP_ADDRESS] = ip_address
-            self._title = user_input.get(CONF_NAME)
+            self._name = user_input.get(CONF_NAME)
+            self._title = self._name
 
             result = await self.hass.async_add_executor_job(self._try_connect)
 
@@ -150,24 +141,27 @@ class SamsungTVConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
 
         self._host = host
         self._ip = self.context[CONF_IP_ADDRESS] = ip_address
-        self._manufacturer = user_input[ATTR_UPNP_MANUFACTURER]
-        self._model = user_input[ATTR_UPNP_MODEL_NAME]
-        self._name = user_input[ATTR_UPNP_FRIENDLY_NAME]
-        if self._name.startswith("[TV]"):
-            self._name = self._name[4:]
-        self._title = f"{self._name} ({self._model})"
-        self._uuid = user_input[ATTR_UPNP_UDN]
-        if self._uuid.startswith("uuid:"):
-            self._uuid = self._uuid[5:]
+        self._manufacturer = user_input.get(ATTR_UPNP_MANUFACTURER)
+        self._model = user_input.get(ATTR_UPNP_MODEL_NAME)
+        self._name = f"Samsung {self._model}"
+        self._id = user_input.get(ATTR_UPNP_UDN)
+        self._title = self._model
+
+        # probably access denied
+        if self._id is None:
+            return self.async_abort(reason=RESULT_AUTH_MISSING)
+        if self._id.startswith("uuid:"):
+            self._id = self._id[5:]
 
         config_entry = await self.async_set_unique_id(ip_address)
         if config_entry:
-            config_entry.data[CONF_ID] = self._uuid
+            config_entry.data[CONF_ID] = self._id
             config_entry.data[CONF_MANUFACTURER] = self._manufacturer
             config_entry.data[CONF_MODEL] = self._model
             self.hass.config_entries.async_update_entry(config_entry)
             return self.async_abort(reason="already_configured")
 
+        self.context["title_placeholders"] = {"model": self._model}
         return await self.async_step_confirm()
 
     async def async_step_confirm(self, user_input=None):
@@ -182,3 +176,19 @@ class SamsungTVConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
         return self.async_show_form(
             step_id="confirm", description_placeholders={"model": self._model}
         )
+
+    async def async_step_reauth(self, user_input=None):
+        """Handle configuration by re-auth."""
+        self._host = user_input[CONF_HOST]
+        self._id = user_input.get(CONF_ID)
+        self._ip = user_input[CONF_IP_ADDRESS]
+        self._manufacturer = user_input.get(CONF_MANUFACTURER)
+        self._model = user_input.get(CONF_MODEL)
+        self._name = user_input.get(CONF_NAME)
+        self._port = user_input.get(CONF_PORT)
+        self._title = self._model or self._name
+
+        await self.async_set_unique_id(self._ip)
+        self.context["title_placeholders"] = {"model": self._title}
+
+        return await self.async_step_confirm()
diff --git a/homeassistant/components/samsungtv/const.py b/homeassistant/components/samsungtv/const.py
index 7cf71e406cb..ea893390a5b 100644
--- a/homeassistant/components/samsungtv/const.py
+++ b/homeassistant/components/samsungtv/const.py
@@ -4,7 +4,7 @@ import logging
 LOGGER = logging.getLogger(__package__)
 DOMAIN = "samsungtv"
 
-DEFAULT_NAME = "Samsung TV Remote"
+DEFAULT_NAME = "Samsung TV"
 
 CONF_MANUFACTURER = "manufacturer"
 CONF_MODEL = "model"
diff --git a/homeassistant/components/samsungtv/manifest.json b/homeassistant/components/samsungtv/manifest.json
index 0d0a360fc20..3adc3b52eb3 100644
--- a/homeassistant/components/samsungtv/manifest.json
+++ b/homeassistant/components/samsungtv/manifest.json
@@ -7,7 +7,7 @@
   ],
   "ssdp": [
     {
-      "deviceType": "urn:samsung.com:device:RemoteControlReceiver:1"
+      "st": "urn:samsung.com:device:RemoteControlReceiver:1"
     }
   ],
   "dependencies": [],
diff --git a/homeassistant/components/samsungtv/media_player.py b/homeassistant/components/samsungtv/media_player.py
index aca54838a99..8de42d157b7 100644
--- a/homeassistant/components/samsungtv/media_player.py
+++ b/homeassistant/components/samsungtv/media_player.py
@@ -23,7 +23,9 @@ from homeassistant.components.media_player.const import (
 from homeassistant.const import (
     CONF_HOST,
     CONF_ID,
+    CONF_IP_ADDRESS,
     CONF_METHOD,
+    CONF_NAME,
     CONF_PORT,
     STATE_OFF,
     STATE_ON,
@@ -59,8 +61,16 @@ async def async_setup_platform(
 
 async def async_setup_entry(hass, config_entry, async_add_entities):
     """Set up the Samsung TV from a config entry."""
-    turn_on_action = config_entry.data.get(CONF_ON_ACTION)
-    on_script = Script(hass, turn_on_action) if turn_on_action else None
+    ip_address = config_entry.data[CONF_IP_ADDRESS]
+    on_script = None
+    if (
+        DOMAIN in hass.data
+        and ip_address in hass.data[DOMAIN]
+        and CONF_ON_ACTION in hass.data[DOMAIN][ip_address]
+        and hass.data[DOMAIN][ip_address][CONF_ON_ACTION]
+    ):
+        turn_on_action = hass.data[DOMAIN][ip_address][CONF_ON_ACTION]
+        on_script = Script(hass, turn_on_action)
     async_add_entities([SamsungTVDevice(config_entry, on_script)])
 
 
@@ -70,12 +80,11 @@ class SamsungTVDevice(MediaPlayerDevice):
     def __init__(self, config_entry, on_script):
         """Initialize the Samsung device."""
         self._config_entry = config_entry
-        self._name = config_entry.title
-        self._uuid = config_entry.data.get(CONF_ID)
         self._manufacturer = config_entry.data.get(CONF_MANUFACTURER)
         self._model = config_entry.data.get(CONF_MODEL)
+        self._name = config_entry.data.get(CONF_NAME)
         self._on_script = on_script
-        self._update_listener = None
+        self._uuid = config_entry.data.get(CONF_ID)
         # Assume that the TV is not muted
         self._muted = False
         # Assume that the TV is in Play mode
@@ -88,7 +97,7 @@ class SamsungTVDevice(MediaPlayerDevice):
         # Generate a configuration for the Samsung library
         self._config = {
             "name": "HomeAssistant",
-            "description": self._name,
+            "description": "HomeAssistant",
             "id": "ha.component.samsung",
             "method": config_entry.data[CONF_METHOD],
             "port": config_entry.data.get(CONF_PORT),
@@ -124,7 +133,19 @@ class SamsungTVDevice(MediaPlayerDevice):
         """Create or return a remote control instance."""
         if self._remote is None:
             # We need to create a new instance to reconnect.
-            self._remote = SamsungRemote(self._config.copy())
+            try:
+                self._remote = SamsungRemote(self._config.copy())
+            # This is only happening when the auth was switched to DENY
+            # A removed auth will lead to socket timeout because waiting for auth popup is just an open socket
+            except samsung_exceptions.AccessDenied:
+                self.hass.async_create_task(
+                    self.hass.config_entries.flow.async_init(
+                        DOMAIN,
+                        context={"source": "reauth"},
+                        data=self._config_entry.data,
+                    )
+                )
+                raise
 
         return self._remote
 
diff --git a/homeassistant/components/samsungtv/strings.json b/homeassistant/components/samsungtv/strings.json
index ee762503e5c..2e36062669f 100644
--- a/homeassistant/components/samsungtv/strings.json
+++ b/homeassistant/components/samsungtv/strings.json
@@ -1,10 +1,11 @@
 {
   "config": {
+    "flow_title": "Samsung TV: {model}",
     "title": "Samsung TV",
     "step": {
       "user": {
         "title": "Samsung TV",
-        "description": "Enter your Samsung TV information. If you never connected Home Assistant before you should see a popup on your TV asking for authentication.",
+        "description": "Enter your Samsung TV information. If you never connected Home Assistant before you should see a popup on your TV asking for authorization.",
         "data": {
             "host": "Host or IP address",
             "name": "Name"
@@ -12,15 +13,15 @@
       },
       "confirm": {
         "title": "Samsung TV",
-        "description": "Do you want to set up Samsung TV {model}? If you never connected Home Assistant before you should see a popup on your TV asking for authentication. Manual configurations for this TV will be overwritten."
+        "description": "Do you want to set up Samsung TV {model}? If you never connected Home Assistant before you should see a popup on your TV asking for authorization. Manual configurations for this TV will be overwritten."
       }
     },
     "abort": {
       "already_in_progress": "Samsung TV configuration is already in progress.",
       "already_configured": "This Samsung TV is already configured.",
-      "auth_missing": "Home Assistant is not authenticated to connect to this Samsung TV.",
-      "not_found": "No supported Samsung TV devices found on the network.",
-      "not_supported": "This Samsung TV devices is currently not supported."
+      "auth_missing": "Home Assistant is not authorized to connect to this Samsung TV. Please check your TV's settings to authorize Home Assistant.",
+      "not_successful": "Unable to connect to this Samsung TV device.",
+      "not_supported": "This Samsung TV device is currently not supported."
     }
   }
 }
diff --git a/homeassistant/generated/ssdp.py b/homeassistant/generated/ssdp.py
index 83f375f031b..bea04484b11 100644
--- a/homeassistant/generated/ssdp.py
+++ b/homeassistant/generated/ssdp.py
@@ -38,7 +38,7 @@ SSDP = {
     ],
     "samsungtv": [
         {
-            "deviceType": "urn:samsung.com:device:RemoteControlReceiver:1"
+            "st": "urn:samsung.com:device:RemoteControlReceiver:1"
         }
     ],
     "sonos": [
diff --git a/tests/components/samsungtv/test_config_flow.py b/tests/components/samsungtv/test_config_flow.py
index ce6741f0703..9c8ec3a9a09 100644
--- a/tests/components/samsungtv/test_config_flow.py
+++ b/tests/components/samsungtv/test_config_flow.py
@@ -42,7 +42,7 @@ AUTODETECT_WEBSOCKET = {
     "method": "websocket",
     "port": None,
     "host": "fake_host",
-    "timeout": 1,
+    "timeout": 31,
 }
 AUTODETECT_LEGACY = {
     "name": "HomeAssistant",
@@ -51,7 +51,7 @@ AUTODETECT_LEGACY = {
     "method": "legacy",
     "port": None,
     "host": "fake_host",
-    "timeout": 1,
+    "timeout": 31,
 }
 
 
@@ -87,7 +87,7 @@ async def test_user(hass, remote):
     assert result["type"] == "create_entry"
     assert result["title"] == "fake_name"
     assert result["data"][CONF_HOST] == "fake_host"
-    assert result["data"][CONF_NAME] is None
+    assert result["data"][CONF_NAME] == "fake_name"
     assert result["data"][CONF_MANUFACTURER] is None
     assert result["data"][CONF_MODEL] is None
     assert result["data"][CONF_ID] is None
@@ -123,19 +123,19 @@ async def test_user_not_supported(hass):
         assert result["reason"] == "not_supported"
 
 
-async def test_user_not_found(hass):
-    """Test starting a flow by user but no device found."""
+async def test_user_not_successful(hass):
+    """Test starting a flow by user but no connection found."""
     with patch(
         "homeassistant.components.samsungtv.config_flow.Remote",
         side_effect=OSError("Boom"),
     ), patch("homeassistant.components.samsungtv.config_flow.socket"):
 
-        # device not found
+        # device not connectable
         result = await hass.config_entries.flow.async_init(
             DOMAIN, context={"source": "user"}, data=MOCK_USER_DATA
         )
         assert result["type"] == "abort"
-        assert result["reason"] == "not_found"
+        assert result["reason"] == "not_successful"
 
 
 async def test_user_already_configured(hass, remote):
@@ -170,9 +170,9 @@ async def test_ssdp(hass, remote):
         result["flow_id"], user_input="whatever"
     )
     assert result["type"] == "create_entry"
-    assert result["title"] == "fake_name (fake_model)"
+    assert result["title"] == "fake_model"
     assert result["data"][CONF_HOST] == "fake_host"
-    assert result["data"][CONF_NAME] == "fake_name"
+    assert result["data"][CONF_NAME] == "Samsung fake_model"
     assert result["data"][CONF_MANUFACTURER] == "fake_manufacturer"
     assert result["data"][CONF_MODEL] == "fake_model"
     assert result["data"][CONF_ID] == "fake_uuid"
@@ -193,9 +193,9 @@ async def test_ssdp_noprefix(hass, remote):
         result["flow_id"], user_input="whatever"
     )
     assert result["type"] == "create_entry"
-    assert result["title"] == "fake2_name (fake2_model)"
+    assert result["title"] == "fake2_model"
     assert result["data"][CONF_HOST] == "fake2_host"
-    assert result["data"][CONF_NAME] == "fake2_name"
+    assert result["data"][CONF_NAME] == "Samsung fake2_model"
     assert result["data"][CONF_MANUFACTURER] == "fake2_manufacturer"
     assert result["data"][CONF_MODEL] == "fake2_model"
     assert result["data"][CONF_ID] == "fake2_uuid"
@@ -245,7 +245,7 @@ async def test_ssdp_not_supported(hass):
         assert result["reason"] == "not_supported"
 
 
-async def test_ssdp_not_found(hass):
+async def test_ssdp_not_successful(hass):
     """Test starting a flow from discovery but no device found."""
     with patch(
         "homeassistant.components.samsungtv.config_flow.Remote",
@@ -264,7 +264,7 @@ async def test_ssdp_not_found(hass):
             result["flow_id"], user_input="whatever"
         )
         assert result["type"] == "abort"
-        assert result["reason"] == "not_found"
+        assert result["reason"] == "not_successful"
 
 
 async def test_ssdp_already_in_progress(hass, remote):
@@ -380,7 +380,7 @@ async def test_autodetect_none(hass, remote):
             DOMAIN, context={"source": "user"}, data=MOCK_USER_DATA
         )
         assert result["type"] == "abort"
-        assert result["reason"] == "not_found"
+        assert result["reason"] == "not_successful"
         assert remote.call_count == 2
         assert remote.call_args_list == [
             call(AUTODETECT_WEBSOCKET),
diff --git a/tests/components/samsungtv/test_init.py b/tests/components/samsungtv/test_init.py
index 55ec52b56ae..cd31434e6b0 100644
--- a/tests/components/samsungtv/test_init.py
+++ b/tests/components/samsungtv/test_init.py
@@ -32,7 +32,7 @@ MOCK_CONFIG = {
 }
 REMOTE_CALL = {
     "name": "HomeAssistant",
-    "description": MOCK_CONFIG[SAMSUNGTV_DOMAIN][0][CONF_NAME],
+    "description": "HomeAssistant",
     "id": "ha.component.samsung",
     "method": "websocket",
     "port": MOCK_CONFIG[SAMSUNGTV_DOMAIN][0][CONF_PORT],
@@ -44,11 +44,13 @@ REMOTE_CALL = {
 @pytest.fixture(name="remote")
 def remote_fixture():
     """Patch the samsungctl Remote."""
-    with patch("homeassistant.components.samsungtv.socket"), patch(
+    with patch("homeassistant.components.samsungtv.socket") as socket1, patch(
         "homeassistant.components.samsungtv.config_flow.socket"
-    ), patch("homeassistant.components.samsungtv.config_flow.Remote"), patch(
+    ) as socket2, patch("homeassistant.components.samsungtv.config_flow.Remote"), patch(
         "homeassistant.components.samsungtv.media_player.SamsungRemote"
     ) as remote:
+        socket1.gethostbyname.return_value = "FAKE_IP_ADDRESS"
+        socket2.gethostbyname.return_value = "FAKE_IP_ADDRESS"
         yield remote
 
 
diff --git a/tests/components/samsungtv/test_media_player.py b/tests/components/samsungtv/test_media_player.py
index 2b9f379515d..ba245ce7d6f 100644
--- a/tests/components/samsungtv/test_media_player.py
+++ b/tests/components/samsungtv/test_media_player.py
@@ -75,15 +75,17 @@ MOCK_CONFIG_NOTURNON = {
 @pytest.fixture(name="remote")
 def remote_fixture():
     """Patch the samsungctl Remote."""
-    with patch("homeassistant.components.samsungtv.config_flow.socket"), patch(
-        "homeassistant.components.samsungtv.config_flow.Remote"
-    ), patch(
+    with patch("homeassistant.components.samsungtv.config_flow.Remote"), patch(
+        "homeassistant.components.samsungtv.config_flow.socket"
+    ) as socket1, patch(
         "homeassistant.components.samsungtv.media_player.SamsungRemote"
     ) as remote_class, patch(
         "homeassistant.components.samsungtv.socket"
-    ):
+    ) as socket2:
         remote = mock.Mock()
         remote_class.return_value = remote
+        socket1.gethostbyname.return_value = "FAKE_IP_ADDRESS"
+        socket2.gethostbyname.return_value = "FAKE_IP_ADDRESS"
         yield remote
 
 
@@ -135,11 +137,12 @@ async def test_update_on(hass, remote, mock_now):
 
 async def test_update_off(hass, remote, mock_now):
     """Testing update tv off."""
+    await setup_samsungtv(hass, MOCK_CONFIG)
+
     with patch(
         "homeassistant.components.samsungtv.media_player.SamsungRemote",
         side_effect=[OSError("Boom"), mock.DEFAULT],
-    ), patch("homeassistant.components.samsungtv.config_flow.socket"):
-        await setup_samsungtv(hass, MOCK_CONFIG)
+    ):
 
         next_update = mock_now + timedelta(minutes=5)
         with patch("homeassistant.util.dt.utcnow", return_value=next_update):
@@ -150,13 +153,35 @@ async def test_update_off(hass, remote, mock_now):
         assert state.state == STATE_OFF
 
 
+async def test_update_access_denied(hass, remote, mock_now):
+    """Testing update tv unhandled response exception."""
+    await setup_samsungtv(hass, MOCK_CONFIG)
+
+    with patch(
+        "homeassistant.components.samsungtv.media_player.SamsungRemote",
+        side_effect=exceptions.AccessDenied("Boom"),
+    ):
+
+        next_update = mock_now + timedelta(minutes=5)
+        with patch("homeassistant.util.dt.utcnow", return_value=next_update):
+            async_fire_time_changed(hass, next_update)
+            await hass.async_block_till_done()
+
+    assert [
+        flow
+        for flow in hass.config_entries.flow.async_progress()
+        if flow["context"]["source"] == "reauth"
+    ]
+
+
 async def test_update_unhandled_response(hass, remote, mock_now):
     """Testing update tv unhandled response exception."""
+    await setup_samsungtv(hass, MOCK_CONFIG)
+
     with patch(
         "homeassistant.components.samsungtv.media_player.SamsungRemote",
         side_effect=[exceptions.UnhandledResponse("Boom"), mock.DEFAULT],
-    ), patch("homeassistant.components.samsungtv.config_flow.socket"):
-        await setup_samsungtv(hass, MOCK_CONFIG)
+    ):
 
         next_update = mock_now + timedelta(minutes=5)
         with patch("homeassistant.util.dt.utcnow", return_value=next_update):