diff --git a/homeassistant/components/ws66i/__init__.py b/homeassistant/components/ws66i/__init__.py
index 232c4390f19..dea1b470b9e 100644
--- a/homeassistant/components/ws66i/__init__.py
+++ b/homeassistant/components/ws66i/__init__.py
@@ -94,8 +94,9 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
         zones=zones,
     )
 
+    @callback
     def shutdown(event):
-        """Close the WS66i connection to the amplifier and save snapshots."""
+        """Close the WS66i connection to the amplifier."""
         ws66i.close()
 
     entry.async_on_unload(entry.add_update_listener(_update_listener))
@@ -119,6 +120,6 @@ async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     return unload_ok
 
 
-async def _update_listener(hass: HomeAssistant, entry: ConfigEntry):
+async def _update_listener(hass: HomeAssistant, entry: ConfigEntry) -> None:
     """Handle options update."""
     await hass.config_entries.async_reload(entry.entry_id)
diff --git a/homeassistant/components/ws66i/config_flow.py b/homeassistant/components/ws66i/config_flow.py
index a8f098faadd..b84872da036 100644
--- a/homeassistant/components/ws66i/config_flow.py
+++ b/homeassistant/components/ws66i/config_flow.py
@@ -1,5 +1,6 @@
 """Config flow for WS66i 6-Zone Amplifier integration."""
 import logging
+from typing import Any
 
 from pyws66i import WS66i, get_ws66i
 import voluptuous as vol
@@ -50,22 +51,34 @@ def _sources_from_config(data):
     }
 
 
-async def validate_input(hass: core.HomeAssistant, input_data):
-    """Validate the user input allows us to connect.
+def _verify_connection(ws66i: WS66i) -> bool:
+    """Verify a connection can be made to the WS66i."""
+    try:
+        ws66i.open()
+    except ConnectionError as err:
+        raise CannotConnect from err
+
+    # Connection successful. Verify correct port was opened
+    # Test on FIRST_ZONE because this zone will always be valid
+    ret_val = ws66i.zone_status(FIRST_ZONE)
+
+    ws66i.close()
+
+    return bool(ret_val)
+
+
+async def validate_input(
+    hass: core.HomeAssistant, input_data: dict[str, Any]
+) -> dict[str, Any]:
+    """Validate the user input.
 
     Data has the keys from DATA_SCHEMA with values provided by the user.
     """
     ws66i: WS66i = get_ws66i(input_data[CONF_IP_ADDRESS])
-    await hass.async_add_executor_job(ws66i.open)
-    # No exception. run a simple test to make sure we opened correct port
-    # Test on FIRST_ZONE because this zone will always be valid
-    ret_val = await hass.async_add_executor_job(ws66i.zone_status, FIRST_ZONE)
-    if ret_val is None:
-        ws66i.close()
-        raise ConnectionError("Not a valid WS66i connection")
 
-    # Validation done. No issues. Close the connection
-    ws66i.close()
+    is_valid: bool = await hass.async_add_executor_job(_verify_connection, ws66i)
+    if not is_valid:
+        raise CannotConnect("Not a valid WS66i connection")
 
     # Return info that you want to store in the config entry.
     return {CONF_IP_ADDRESS: input_data[CONF_IP_ADDRESS]}
@@ -82,17 +95,18 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
         if user_input is not None:
             try:
                 info = await validate_input(self.hass, user_input)
-                # Data is valid. Add default values for options flow.
+            except CannotConnect:
+                errors["base"] = "cannot_connect"
+            except Exception:  # pylint: disable=broad-except
+                _LOGGER.exception("Unexpected exception")
+                errors["base"] = "unknown"
+            else:
+                # Data is valid. Create a config entry.
                 return self.async_create_entry(
                     title="WS66i Amp",
                     data=info,
                     options={CONF_SOURCES: INIT_OPTIONS_DEFAULT},
                 )
-            except ConnectionError:
-                errors["base"] = "cannot_connect"
-            except Exception:  # pylint: disable=broad-except
-                _LOGGER.exception("Unexpected exception")
-                errors["base"] = "unknown"
 
         return self.async_show_form(
             step_id="user", data_schema=DATA_SCHEMA, errors=errors
diff --git a/homeassistant/components/ws66i/const.py b/homeassistant/components/ws66i/const.py
index ec4439a690d..f824d991c1d 100644
--- a/homeassistant/components/ws66i/const.py
+++ b/homeassistant/components/ws66i/const.py
@@ -1,4 +1,5 @@
 """Constants for the Soundavo WS66i 6-Zone Amplifier Media Player component."""
+from datetime import timedelta
 
 DOMAIN = "ws66i"
 
@@ -20,5 +21,6 @@ INIT_OPTIONS_DEFAULT = {
     "6": "Source 6",
 }
 
-SERVICE_SNAPSHOT = "snapshot"
-SERVICE_RESTORE = "restore"
+POLL_INTERVAL = timedelta(seconds=30)
+
+MAX_VOL = 38
diff --git a/homeassistant/components/ws66i/coordinator.py b/homeassistant/components/ws66i/coordinator.py
index a9a274756b5..be8ae3aad38 100644
--- a/homeassistant/components/ws66i/coordinator.py
+++ b/homeassistant/components/ws66i/coordinator.py
@@ -1,7 +1,6 @@
 """Coordinator for WS66i."""
 from __future__ import annotations
 
-from datetime import timedelta
 import logging
 
 from pyws66i import WS66i, ZoneStatus
@@ -9,12 +8,12 @@ from pyws66i import WS66i, ZoneStatus
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
 
+from .const import POLL_INTERVAL
+
 _LOGGER = logging.getLogger(__name__)
 
-POLL_INTERVAL = timedelta(seconds=30)
 
-
-class Ws66iDataUpdateCoordinator(DataUpdateCoordinator):
+class Ws66iDataUpdateCoordinator(DataUpdateCoordinator[list[ZoneStatus]]):
     """DataUpdateCoordinator to gather data for WS66i Zones."""
 
     def __init__(
@@ -43,11 +42,9 @@ class Ws66iDataUpdateCoordinator(DataUpdateCoordinator):
 
             data.append(data_zone)
 
-        # HA will call my entity's _handle_coordinator_update()
         return data
 
     async def _async_update_data(self) -> list[ZoneStatus]:
         """Fetch data for each of the zones."""
-        # HA will call my entity's _handle_coordinator_update()
-        # The data I pass back here can be accessed through coordinator.data.
+        # The data that is returned here can be accessed through coordinator.data.
         return await self.hass.async_add_executor_job(self._update_all_zones)
diff --git a/homeassistant/components/ws66i/media_player.py b/homeassistant/components/ws66i/media_player.py
index c0e62fe773c..7cd897e9c1a 100644
--- a/homeassistant/components/ws66i/media_player.py
+++ b/homeassistant/components/ws66i/media_player.py
@@ -1,6 +1,4 @@
 """Support for interfacing with WS66i 6 zone home audio controller."""
-from copy import deepcopy
-
 from pyws66i import WS66i, ZoneStatus
 
 from homeassistant.components.media_player import (
@@ -10,22 +8,16 @@ from homeassistant.components.media_player import (
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import STATE_OFF, STATE_ON
 from homeassistant.core import HomeAssistant, callback
-from homeassistant.exceptions import HomeAssistantError
 from homeassistant.helpers.entity import DeviceInfo
-from homeassistant.helpers.entity_platform import (
-    AddEntitiesCallback,
-    async_get_current_platform,
-)
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
-from .const import DOMAIN, SERVICE_RESTORE, SERVICE_SNAPSHOT
+from .const import DOMAIN, MAX_VOL
 from .coordinator import Ws66iDataUpdateCoordinator
 from .models import Ws66iData
 
 PARALLEL_UPDATES = 1
 
-MAX_VOL = 38
-
 
 async def async_setup_entry(
     hass: HomeAssistant,
@@ -48,23 +40,8 @@ async def async_setup_entry(
         for idx, zone_id in enumerate(ws66i_data.zones)
     )
 
-    # Set up services
-    platform = async_get_current_platform()
 
-    platform.async_register_entity_service(
-        SERVICE_SNAPSHOT,
-        {},
-        "snapshot",
-    )
-
-    platform.async_register_entity_service(
-        SERVICE_RESTORE,
-        {},
-        "async_restore",
-    )
-
-
-class Ws66iZone(CoordinatorEntity, MediaPlayerEntity):
+class Ws66iZone(CoordinatorEntity[Ws66iDataUpdateCoordinator], MediaPlayerEntity):
     """Representation of a WS66i amplifier zone."""
 
     def __init__(
@@ -82,8 +59,6 @@ class Ws66iZone(CoordinatorEntity, MediaPlayerEntity):
         self._ws66i_data: Ws66iData = ws66i_data
         self._zone_id: int = zone_id
         self._zone_id_idx: int = data_idx
-        self._coordinator = coordinator
-        self._snapshot: ZoneStatus = None
         self._status: ZoneStatus = coordinator.data[data_idx]
         self._attr_source_list = ws66i_data.sources.name_list
         self._attr_unique_id = f"{entry_id}_{self._zone_id}"
@@ -131,20 +106,6 @@ class Ws66iZone(CoordinatorEntity, MediaPlayerEntity):
         self._set_attrs_from_status()
         self.async_write_ha_state()
 
-    @callback
-    def snapshot(self):
-        """Save zone's current state."""
-        self._snapshot = deepcopy(self._status)
-
-    async def async_restore(self):
-        """Restore saved state."""
-        if not self._snapshot:
-            raise HomeAssistantError("There is no snapshot to restore")
-
-        await self.hass.async_add_executor_job(self._ws66i.restore_zone, self._snapshot)
-        self._status = self._snapshot
-        self._async_update_attrs_write_ha_state()
-
     async def async_select_source(self, source):
         """Set input source."""
         idx = self._ws66i_data.sources.name_id[source]
@@ -180,24 +141,30 @@ class Ws66iZone(CoordinatorEntity, MediaPlayerEntity):
 
     async def async_set_volume_level(self, volume):
         """Set volume level, range 0..1."""
-        await self.hass.async_add_executor_job(
-            self._ws66i.set_volume, self._zone_id, int(volume * MAX_VOL)
-        )
-        self._status.volume = int(volume * MAX_VOL)
+        await self.hass.async_add_executor_job(self._set_volume, int(volume * MAX_VOL))
         self._async_update_attrs_write_ha_state()
 
     async def async_volume_up(self):
         """Volume up the media player."""
         await self.hass.async_add_executor_job(
-            self._ws66i.set_volume, self._zone_id, min(self._status.volume + 1, MAX_VOL)
+            self._set_volume, min(self._status.volume + 1, MAX_VOL)
         )
-        self._status.volume = min(self._status.volume + 1, MAX_VOL)
         self._async_update_attrs_write_ha_state()
 
     async def async_volume_down(self):
         """Volume down media player."""
         await self.hass.async_add_executor_job(
-            self._ws66i.set_volume, self._zone_id, max(self._status.volume - 1, 0)
+            self._set_volume, max(self._status.volume - 1, 0)
         )
-        self._status.volume = max(self._status.volume - 1, 0)
         self._async_update_attrs_write_ha_state()
+
+    def _set_volume(self, volume: int) -> None:
+        """Set the volume of the media player."""
+        # Can't set a new volume level when this zone is muted.
+        # Follow behavior of keypads, where zone is unmuted when volume changes.
+        if self._status.mute:
+            self._ws66i.set_mute(self._zone_id, False)
+            self._status.mute = False
+
+        self._ws66i.set_volume(self._zone_id, volume)
+        self._status.volume = volume
diff --git a/homeassistant/components/ws66i/models.py b/homeassistant/components/ws66i/models.py
index d84ee56a4a1..84f481b9a4a 100644
--- a/homeassistant/components/ws66i/models.py
+++ b/homeassistant/components/ws66i/models.py
@@ -7,8 +7,6 @@ from pyws66i import WS66i
 
 from .coordinator import Ws66iDataUpdateCoordinator
 
-# A dataclass is basically a struct in C/C++
-
 
 @dataclass
 class SourceRep:
diff --git a/homeassistant/components/ws66i/services.yaml b/homeassistant/components/ws66i/services.yaml
deleted file mode 100644
index cedd1d3546a..00000000000
--- a/homeassistant/components/ws66i/services.yaml
+++ /dev/null
@@ -1,15 +0,0 @@
-snapshot:
-  name: Snapshot
-  description: Take a snapshot of the media player zone.
-  target:
-    entity:
-      integration: ws66i
-      domain: media_player
-
-restore:
-  name: Restore
-  description: Restore a snapshot of the media player zone.
-  target:
-    entity:
-      integration: ws66i
-      domain: media_player
diff --git a/homeassistant/components/ws66i/strings.json b/homeassistant/components/ws66i/strings.json
index fcfa64d7e22..ec5bc621a89 100644
--- a/homeassistant/components/ws66i/strings.json
+++ b/homeassistant/components/ws66i/strings.json
@@ -11,9 +11,6 @@
     "error": {
       "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]",
       "unknown": "[%key:common::config_flow::error::unknown%]"
-    },
-    "abort": {
-      "already_configured": "[%key:common::config_flow::abort::already_configured_device%]"
     }
   },
   "options": {
diff --git a/homeassistant/components/ws66i/translations/en.json b/homeassistant/components/ws66i/translations/en.json
index 30ef1e4205a..fd4b170b378 100644
--- a/homeassistant/components/ws66i/translations/en.json
+++ b/homeassistant/components/ws66i/translations/en.json
@@ -1,8 +1,5 @@
 {
     "config": {
-        "abort": {
-            "already_configured": "Device is already configured"
-        },
         "error": {
             "cannot_connect": "Failed to connect",
             "unknown": "Unexpected error"
diff --git a/tests/components/ws66i/test_config_flow.py b/tests/components/ws66i/test_config_flow.py
index d426e62c012..4fe3554941d 100644
--- a/tests/components/ws66i/test_config_flow.py
+++ b/tests/components/ws66i/test_config_flow.py
@@ -1,7 +1,7 @@
 """Test the WS66i 6-Zone Amplifier config flow."""
 from unittest.mock import patch
 
-from homeassistant import config_entries, data_entry_flow, setup
+from homeassistant import config_entries, data_entry_flow
 from homeassistant.components.ws66i.const import (
     CONF_SOURCE_1,
     CONF_SOURCE_2,
@@ -15,15 +15,15 @@ from homeassistant.components.ws66i.const import (
 )
 from homeassistant.const import CONF_IP_ADDRESS
 
+from .test_media_player import AttrDict
+
 from tests.common import MockConfigEntry
-from tests.components.ws66i.test_media_player import AttrDict
 
 CONFIG = {CONF_IP_ADDRESS: "1.1.1.1"}
 
 
 async def test_form(hass):
     """Test we get the form."""
-    await setup.async_setup_component(hass, "persistent_notification", {})
     result = await hass.config_entries.flow.async_init(
         DOMAIN, context={"source": config_entries.SOURCE_USER}
     )
diff --git a/tests/components/ws66i/test_init.py b/tests/components/ws66i/test_init.py
new file mode 100644
index 00000000000..557c53e97aa
--- /dev/null
+++ b/tests/components/ws66i/test_init.py
@@ -0,0 +1,80 @@
+"""Test the WS66i 6-Zone Amplifier init file."""
+from unittest.mock import patch
+
+from homeassistant.components.ws66i.const import DOMAIN
+from homeassistant.config_entries import ConfigEntryState
+
+from .test_media_player import (
+    MOCK_CONFIG,
+    MOCK_DEFAULT_OPTIONS,
+    MOCK_OPTIONS,
+    MockWs66i,
+)
+
+from tests.common import MockConfigEntry
+
+ZONE_1_ID = "media_player.zone_11"
+
+
+async def test_cannot_connect(hass):
+    """Test connection error."""
+    config_entry = MockConfigEntry(
+        domain=DOMAIN, data=MOCK_CONFIG, options=MOCK_OPTIONS
+    )
+    config_entry.add_to_hass(hass)
+
+    with patch(
+        "homeassistant.components.ws66i.get_ws66i",
+        new=lambda *a: MockWs66i(fail_open=True),
+    ):
+        await hass.config_entries.async_setup(config_entry.entry_id)
+        await hass.async_block_till_done()
+
+        assert config_entry.state is ConfigEntryState.SETUP_RETRY
+        assert hass.states.get(ZONE_1_ID) is None
+
+
+async def test_cannot_connect_2(hass):
+    """Test connection error pt 2."""
+    # Another way to test same case as test_cannot_connect
+    ws66i = MockWs66i()
+    config_entry = MockConfigEntry(
+        domain=DOMAIN, data=MOCK_CONFIG, options=MOCK_DEFAULT_OPTIONS
+    )
+    config_entry.add_to_hass(hass)
+
+    with patch.object(MockWs66i, "open", side_effect=ConnectionError):
+        with patch(
+            "homeassistant.components.ws66i.get_ws66i",
+            new=lambda *a: ws66i,
+        ):
+            await hass.config_entries.async_setup(config_entry.entry_id)
+            await hass.async_block_till_done()
+
+        assert config_entry.state is ConfigEntryState.SETUP_RETRY
+        assert hass.states.get(ZONE_1_ID) is None
+
+
+async def test_unload_config_entry(hass):
+    """Test unloading config entry."""
+    config_entry = MockConfigEntry(
+        domain=DOMAIN, data=MOCK_CONFIG, options=MOCK_OPTIONS
+    )
+    config_entry.add_to_hass(hass)
+
+    with patch(
+        "homeassistant.components.ws66i.get_ws66i",
+        new=lambda *a: MockWs66i(),
+    ):
+        await hass.config_entries.async_setup(config_entry.entry_id)
+        await hass.async_block_till_done()
+
+    assert hass.data[DOMAIN][config_entry.entry_id]
+
+    with patch.object(MockWs66i, "close") as method_call:
+        await config_entry.async_unload(hass)
+        await hass.async_block_till_done()
+
+        assert method_call.called
+
+    assert not hass.data[DOMAIN]
diff --git a/tests/components/ws66i/test_media_player.py b/tests/components/ws66i/test_media_player.py
index 6fc1e00d827..fbe6a7b2782 100644
--- a/tests/components/ws66i/test_media_player.py
+++ b/tests/components/ws66i/test_media_player.py
@@ -2,28 +2,22 @@
 from collections import defaultdict
 from unittest.mock import patch
 
-import pytest
-
+from homeassistant.components.media_player import MediaPlayerEntityFeature
 from homeassistant.components.media_player.const import (
     ATTR_INPUT_SOURCE,
     ATTR_INPUT_SOURCE_LIST,
     ATTR_MEDIA_VOLUME_LEVEL,
     DOMAIN as MEDIA_PLAYER_DOMAIN,
     SERVICE_SELECT_SOURCE,
-    SUPPORT_SELECT_SOURCE,
-    SUPPORT_TURN_OFF,
-    SUPPORT_TURN_ON,
-    SUPPORT_VOLUME_MUTE,
-    SUPPORT_VOLUME_SET,
-    SUPPORT_VOLUME_STEP,
 )
 from homeassistant.components.ws66i.const import (
     CONF_SOURCES,
     DOMAIN,
     INIT_OPTIONS_DEFAULT,
-    SERVICE_RESTORE,
-    SERVICE_SNAPSHOT,
+    MAX_VOL,
+    POLL_INTERVAL,
 )
+from homeassistant.config_entries import ConfigEntryState
 from homeassistant.const import (
     CONF_IP_ADDRESS,
     SERVICE_TURN_OFF,
@@ -35,10 +29,10 @@ from homeassistant.const import (
     STATE_ON,
     STATE_UNAVAILABLE,
 )
-from homeassistant.exceptions import HomeAssistantError
 from homeassistant.helpers import entity_registry as er
+from homeassistant.util.dt import utcnow
 
-from tests.common import MockConfigEntry
+from tests.common import MockConfigEntry, async_fire_time_changed
 
 MOCK_SOURCE_DIC = {
     "1": "one",
@@ -125,47 +119,52 @@ class MockWs66i:
 
 async def test_setup_success(hass):
     """Test connection success."""
+    config_entry = MockConfigEntry(
+        domain=DOMAIN, data=MOCK_CONFIG, options=MOCK_OPTIONS
+    )
+    config_entry.add_to_hass(hass)
+
     with patch(
         "homeassistant.components.ws66i.get_ws66i",
         new=lambda *a: MockWs66i(),
     ):
-        config_entry = MockConfigEntry(
-            domain=DOMAIN, data=MOCK_CONFIG, options=MOCK_OPTIONS
-        )
-        config_entry.add_to_hass(hass)
         await hass.config_entries.async_setup(config_entry.entry_id)
         await hass.async_block_till_done()
-        assert hass.states.get(ZONE_1_ID) is not None
+
+    assert config_entry.state is ConfigEntryState.LOADED
+    assert hass.states.get(ZONE_1_ID) is not None
 
 
 async def _setup_ws66i(hass, ws66i) -> MockConfigEntry:
+    config_entry = MockConfigEntry(
+        domain=DOMAIN, data=MOCK_CONFIG, options=MOCK_DEFAULT_OPTIONS
+    )
+    config_entry.add_to_hass(hass)
+
     with patch(
         "homeassistant.components.ws66i.get_ws66i",
         new=lambda *a: ws66i,
     ):
-        config_entry = MockConfigEntry(
-            domain=DOMAIN, data=MOCK_CONFIG, options=MOCK_DEFAULT_OPTIONS
-        )
-        config_entry.add_to_hass(hass)
         await hass.config_entries.async_setup(config_entry.entry_id)
         await hass.async_block_till_done()
 
-        return config_entry
+    return config_entry
 
 
 async def _setup_ws66i_with_options(hass, ws66i) -> MockConfigEntry:
+    config_entry = MockConfigEntry(
+        domain=DOMAIN, data=MOCK_CONFIG, options=MOCK_OPTIONS
+    )
+    config_entry.add_to_hass(hass)
+
     with patch(
         "homeassistant.components.ws66i.get_ws66i",
         new=lambda *a: ws66i,
     ):
-        config_entry = MockConfigEntry(
-            domain=DOMAIN, data=MOCK_CONFIG, options=MOCK_OPTIONS
-        )
-        config_entry.add_to_hass(hass)
         await hass.config_entries.async_setup(config_entry.entry_id)
         await hass.async_block_till_done()
 
-        return config_entry
+    return config_entry
 
 
 async def _call_media_player_service(hass, name, data):
@@ -174,172 +173,10 @@ async def _call_media_player_service(hass, name, data):
     )
 
 
-async def _call_ws66i_service(hass, name, data):
-    await hass.services.async_call(DOMAIN, name, service_data=data, blocking=True)
-
-
-async def test_cannot_connect(hass):
-    """Test connection error."""
-    with patch(
-        "homeassistant.components.ws66i.get_ws66i",
-        new=lambda *a: MockWs66i(fail_open=True),
-    ):
-        config_entry = MockConfigEntry(domain=DOMAIN, data=MOCK_CONFIG)
-        config_entry.add_to_hass(hass)
-        await hass.config_entries.async_setup(config_entry.entry_id)
-        await hass.async_block_till_done()
-        assert hass.states.get(ZONE_1_ID) is None
-
-
-async def test_cannot_connect_2(hass):
-    """Test connection error pt 2."""
-    # Another way to test same case as test_cannot_connect
-    ws66i = MockWs66i()
-
-    with patch.object(MockWs66i, "open", side_effect=ConnectionError):
-        await _setup_ws66i(hass, ws66i)
-        assert hass.states.get(ZONE_1_ID) is None
-
-
-async def test_service_calls_with_entity_id(hass):
-    """Test snapshot save/restore service calls."""
-    _ = await _setup_ws66i_with_options(hass, MockWs66i())
-
-    # Changing media player to new state
-    await _call_media_player_service(
-        hass, SERVICE_VOLUME_SET, {"entity_id": ZONE_1_ID, "volume_level": 0.0}
-    )
-    await _call_media_player_service(
-        hass, SERVICE_SELECT_SOURCE, {"entity_id": ZONE_1_ID, "source": "one"}
-    )
-
-    # Saving existing values
-    await _call_ws66i_service(hass, SERVICE_SNAPSHOT, {"entity_id": ZONE_1_ID})
-
-    # Changing media player to new state
-    await _call_media_player_service(
-        hass, SERVICE_VOLUME_SET, {"entity_id": ZONE_1_ID, "volume_level": 1.0}
-    )
-    await _call_media_player_service(
-        hass, SERVICE_SELECT_SOURCE, {"entity_id": ZONE_1_ID, "source": "three"}
-    )
-    await hass.async_block_till_done()
-
-    # Restoring other media player to its previous state
-    # The zone should not be restored
-    with pytest.raises(HomeAssistantError):
-        await _call_ws66i_service(hass, SERVICE_RESTORE, {"entity_id": ZONE_2_ID})
-        await hass.async_block_till_done()
-
-    # Checking that values were not (!) restored
-    state = hass.states.get(ZONE_1_ID)
-
-    assert state.attributes[ATTR_MEDIA_VOLUME_LEVEL] == 1.0
-    assert state.attributes[ATTR_INPUT_SOURCE] == "three"
-
-    # Restoring media player to its previous state
-    await _call_ws66i_service(hass, SERVICE_RESTORE, {"entity_id": ZONE_1_ID})
-    await hass.async_block_till_done()
-
-    state = hass.states.get(ZONE_1_ID)
-
-    assert state.attributes[ATTR_MEDIA_VOLUME_LEVEL] == 0.0
-    assert state.attributes[ATTR_INPUT_SOURCE] == "one"
-
-
-async def test_service_calls_with_all_entities(hass):
-    """Test snapshot save/restore service calls with entity id all."""
-    _ = await _setup_ws66i_with_options(hass, MockWs66i())
-
-    # Changing media player to new state
-    await _call_media_player_service(
-        hass, SERVICE_VOLUME_SET, {"entity_id": ZONE_1_ID, "volume_level": 0.0}
-    )
-    await _call_media_player_service(
-        hass, SERVICE_SELECT_SOURCE, {"entity_id": ZONE_1_ID, "source": "one"}
-    )
-
-    # Saving existing values
-    await _call_ws66i_service(hass, SERVICE_SNAPSHOT, {"entity_id": "all"})
-
-    # Changing media player to new state
-    await _call_media_player_service(
-        hass, SERVICE_VOLUME_SET, {"entity_id": ZONE_1_ID, "volume_level": 1.0}
-    )
-    await _call_media_player_service(
-        hass, SERVICE_SELECT_SOURCE, {"entity_id": ZONE_1_ID, "source": "three"}
-    )
-
-    # await coordinator.async_refresh()
-    # await hass.async_block_till_done()
-
-    # Restoring media player to its previous state
-    await _call_ws66i_service(hass, SERVICE_RESTORE, {"entity_id": "all"})
-    await hass.async_block_till_done()
-
-    state = hass.states.get(ZONE_1_ID)
-
-    assert state.attributes[ATTR_MEDIA_VOLUME_LEVEL] == 0.0
-    assert state.attributes[ATTR_INPUT_SOURCE] == "one"
-
-
-async def test_service_calls_without_relevant_entities(hass):
-    """Test snapshot save/restore service calls with bad entity id."""
-    config_entry = await _setup_ws66i_with_options(hass, MockWs66i())
-
-    # Changing media player to new state
-    await _call_media_player_service(
-        hass, SERVICE_VOLUME_SET, {"entity_id": ZONE_1_ID, "volume_level": 0.0}
-    )
-    await _call_media_player_service(
-        hass, SERVICE_SELECT_SOURCE, {"entity_id": ZONE_1_ID, "source": "one"}
-    )
-
-    ws66i_data = hass.data[DOMAIN][config_entry.entry_id]
-    coordinator = ws66i_data.coordinator
-    await coordinator.async_refresh()
-    await hass.async_block_till_done()
-
-    # Saving existing values
-    await _call_ws66i_service(hass, SERVICE_SNAPSHOT, {"entity_id": "all"})
-
-    # Changing media player to new state
-    await _call_media_player_service(
-        hass, SERVICE_VOLUME_SET, {"entity_id": ZONE_1_ID, "volume_level": 1.0}
-    )
-    await _call_media_player_service(
-        hass, SERVICE_SELECT_SOURCE, {"entity_id": ZONE_1_ID, "source": "three"}
-    )
-
-    await coordinator.async_refresh()
-    await hass.async_block_till_done()
-
-    # Restoring media player to its previous state
-    await _call_ws66i_service(hass, SERVICE_RESTORE, {"entity_id": "light.demo"})
-    await hass.async_block_till_done()
-
-    state = hass.states.get(ZONE_1_ID)
-
-    assert state.attributes[ATTR_MEDIA_VOLUME_LEVEL] == 1.0
-    assert state.attributes[ATTR_INPUT_SOURCE] == "three"
-
-
-async def test_restore_without_snapshot(hass):
-    """Test restore when snapshot wasn't called."""
-    await _setup_ws66i(hass, MockWs66i())
-
-    with patch.object(MockWs66i, "restore_zone") as method_call:
-        with pytest.raises(HomeAssistantError):
-            await _call_ws66i_service(hass, SERVICE_RESTORE, {"entity_id": ZONE_1_ID})
-            await hass.async_block_till_done()
-
-        assert not method_call.called
-
-
 async def test_update(hass):
     """Test updating values from ws66i."""
     ws66i = MockWs66i()
-    config_entry = await _setup_ws66i_with_options(hass, ws66i)
+    _ = await _setup_ws66i_with_options(hass, ws66i)
 
     # Changing media player to new state
     await _call_media_player_service(
@@ -350,13 +187,10 @@ async def test_update(hass):
     )
 
     ws66i.set_source(11, 3)
-    ws66i.set_volume(11, 38)
-
-    ws66i_data = hass.data[DOMAIN][config_entry.entry_id]
-    coordinator = ws66i_data.coordinator
+    ws66i.set_volume(11, MAX_VOL)
 
     with patch.object(MockWs66i, "open") as method_call:
-        await coordinator.async_refresh()
+        async_fire_time_changed(hass, utcnow() + POLL_INTERVAL)
         await hass.async_block_till_done()
 
         assert not method_call.called
@@ -371,7 +205,7 @@ async def test_update(hass):
 async def test_failed_update(hass):
     """Test updating failure from ws66i."""
     ws66i = MockWs66i()
-    config_entry = await _setup_ws66i_with_options(hass, ws66i)
+    _ = await _setup_ws66i_with_options(hass, ws66i)
 
     # Changing media player to new state
     await _call_media_player_service(
@@ -382,26 +216,25 @@ async def test_failed_update(hass):
     )
 
     ws66i.set_source(11, 3)
-    ws66i.set_volume(11, 38)
-    ws66i_data = hass.data[DOMAIN][config_entry.entry_id]
-    coordinator = ws66i_data.coordinator
-    await coordinator.async_refresh()
+    ws66i.set_volume(11, MAX_VOL)
+
+    async_fire_time_changed(hass, utcnow() + POLL_INTERVAL)
     await hass.async_block_till_done()
 
     # Failed update, close called
     with patch.object(MockWs66i, "zone_status", return_value=None):
-        await coordinator.async_refresh()
+        async_fire_time_changed(hass, utcnow() + POLL_INTERVAL)
         await hass.async_block_till_done()
 
     assert hass.states.is_state(ZONE_1_ID, STATE_UNAVAILABLE)
 
     # A connection re-attempt fails
     with patch.object(MockWs66i, "zone_status", return_value=None):
-        await coordinator.async_refresh()
+        async_fire_time_changed(hass, utcnow() + POLL_INTERVAL)
         await hass.async_block_till_done()
 
     # A connection re-attempt succeeds
-    await coordinator.async_refresh()
+    async_fire_time_changed(hass, utcnow() + POLL_INTERVAL)
     await hass.async_block_till_done()
 
     # confirm entity is back on
@@ -418,12 +251,12 @@ async def test_supported_features(hass):
 
     state = hass.states.get(ZONE_1_ID)
     assert (
-        SUPPORT_VOLUME_MUTE
-        | SUPPORT_VOLUME_SET
-        | SUPPORT_VOLUME_STEP
-        | SUPPORT_TURN_ON
-        | SUPPORT_TURN_OFF
-        | SUPPORT_SELECT_SOURCE
+        MediaPlayerEntityFeature.VOLUME_MUTE
+        | MediaPlayerEntityFeature.VOLUME_SET
+        | MediaPlayerEntityFeature.VOLUME_STEP
+        | MediaPlayerEntityFeature.TURN_ON
+        | MediaPlayerEntityFeature.TURN_OFF
+        | MediaPlayerEntityFeature.SELECT_SOURCE
         == state.attributes["supported_features"]
     )
 
@@ -462,15 +295,13 @@ async def test_select_source(hass):
 
 
 async def test_source_select(hass):
-    """Test behavior when device has unknown source."""
+    """Test source selection simulated from keypad."""
     ws66i = MockWs66i()
-    config_entry = await _setup_ws66i_with_options(hass, ws66i)
+    _ = await _setup_ws66i_with_options(hass, ws66i)
 
     ws66i.set_source(11, 5)
 
-    ws66i_data = hass.data[DOMAIN][config_entry.entry_id]
-    coordinator = ws66i_data.coordinator
-    await coordinator.async_refresh()
+    async_fire_time_changed(hass, utcnow() + POLL_INTERVAL)
     await hass.async_block_till_done()
 
     state = hass.states.get(ZONE_1_ID)
@@ -512,10 +343,7 @@ async def test_mute_volume(hass):
 async def test_volume_up_down(hass):
     """Test increasing volume by one."""
     ws66i = MockWs66i()
-    config_entry = await _setup_ws66i(hass, ws66i)
-
-    ws66i_data = hass.data[DOMAIN][config_entry.entry_id]
-    coordinator = ws66i_data.coordinator
+    _ = await _setup_ws66i(hass, ws66i)
 
     await _call_media_player_service(
         hass, SERVICE_VOLUME_SET, {"entity_id": ZONE_1_ID, "volume_level": 0.0}
@@ -525,34 +353,89 @@ async def test_volume_up_down(hass):
     await _call_media_player_service(
         hass, SERVICE_VOLUME_DOWN, {"entity_id": ZONE_1_ID}
     )
-    await coordinator.async_refresh()
+    async_fire_time_changed(hass, utcnow() + POLL_INTERVAL)
     await hass.async_block_till_done()
     # should not go below zero
     assert ws66i.zones[11].volume == 0
 
     await _call_media_player_service(hass, SERVICE_VOLUME_UP, {"entity_id": ZONE_1_ID})
-    await coordinator.async_refresh()
+    async_fire_time_changed(hass, utcnow() + POLL_INTERVAL)
     await hass.async_block_till_done()
     assert ws66i.zones[11].volume == 1
 
     await _call_media_player_service(
         hass, SERVICE_VOLUME_SET, {"entity_id": ZONE_1_ID, "volume_level": 1.0}
     )
-    await coordinator.async_refresh()
+    async_fire_time_changed(hass, utcnow() + POLL_INTERVAL)
     await hass.async_block_till_done()
-    assert ws66i.zones[11].volume == 38
+    assert ws66i.zones[11].volume == MAX_VOL
 
     await _call_media_player_service(hass, SERVICE_VOLUME_UP, {"entity_id": ZONE_1_ID})
 
-    await coordinator.async_refresh()
+    async_fire_time_changed(hass, utcnow() + POLL_INTERVAL)
     await hass.async_block_till_done()
-    # should not go above 38
-    assert ws66i.zones[11].volume == 38
+    # should not go above 38 (MAX_VOL)
+    assert ws66i.zones[11].volume == MAX_VOL
 
     await _call_media_player_service(
         hass, SERVICE_VOLUME_DOWN, {"entity_id": ZONE_1_ID}
     )
-    assert ws66i.zones[11].volume == 37
+    assert ws66i.zones[11].volume == MAX_VOL - 1
+
+
+async def test_volume_while_mute(hass):
+    """Test increasing volume by one."""
+    ws66i = MockWs66i()
+    _ = await _setup_ws66i(hass, ws66i)
+
+    # Set vol to a known value
+    await _call_media_player_service(
+        hass, SERVICE_VOLUME_SET, {"entity_id": ZONE_1_ID, "volume_level": 0.0}
+    )
+    assert ws66i.zones[11].volume == 0
+
+    # Set mute to a known value, False
+    await _call_media_player_service(
+        hass, SERVICE_VOLUME_MUTE, {"entity_id": ZONE_1_ID, "is_volume_muted": False}
+    )
+    assert not ws66i.zones[11].mute
+
+    # Mute the zone
+    await _call_media_player_service(
+        hass, SERVICE_VOLUME_MUTE, {"entity_id": ZONE_1_ID, "is_volume_muted": True}
+    )
+    assert ws66i.zones[11].mute
+
+    # Increase volume. Mute state should go back to unmutted
+    await _call_media_player_service(hass, SERVICE_VOLUME_UP, {"entity_id": ZONE_1_ID})
+    assert ws66i.zones[11].volume == 1
+    assert not ws66i.zones[11].mute
+
+    # Mute the zone again
+    await _call_media_player_service(
+        hass, SERVICE_VOLUME_MUTE, {"entity_id": ZONE_1_ID, "is_volume_muted": True}
+    )
+    assert ws66i.zones[11].mute
+
+    # Decrease volume. Mute state should go back to unmutted
+    await _call_media_player_service(
+        hass, SERVICE_VOLUME_DOWN, {"entity_id": ZONE_1_ID}
+    )
+    assert ws66i.zones[11].volume == 0
+    assert not ws66i.zones[11].mute
+
+    # Mute the zone again
+    await _call_media_player_service(
+        hass, SERVICE_VOLUME_MUTE, {"entity_id": ZONE_1_ID, "is_volume_muted": True}
+    )
+    assert ws66i.zones[11].mute
+
+    # Set to max volume. Mute state should go back to unmutted
+    await _call_media_player_service(
+        hass, SERVICE_VOLUME_SET, {"entity_id": ZONE_1_ID, "volume_level": 1.0}
+    )
+    assert ws66i.zones[11].volume == MAX_VOL
+    assert not ws66i.zones[11].mute
 
 
 async def test_first_run_with_available_zones(hass):
@@ -611,82 +494,3 @@ async def test_register_entities_in_1_amp_only(hass):
 
     entry = registry.async_get(ZONE_7_ID)
     assert entry is None
-
-
-async def test_unload_config_entry(hass):
-    """Test unloading config entry."""
-    with patch(
-        "homeassistant.components.ws66i.get_ws66i",
-        new=lambda *a: MockWs66i(),
-    ):
-        config_entry = MockConfigEntry(
-            domain=DOMAIN, data=MOCK_CONFIG, options=MOCK_OPTIONS
-        )
-        config_entry.add_to_hass(hass)
-        await hass.config_entries.async_setup(config_entry.entry_id)
-        await hass.async_block_till_done()
-
-        assert hass.data[DOMAIN][config_entry.entry_id]
-
-    with patch.object(MockWs66i, "close") as method_call:
-        await config_entry.async_unload(hass)
-        await hass.async_block_till_done()
-
-        assert method_call.called
-
-    assert not hass.data[DOMAIN]
-
-
-async def test_restore_snapshot_on_reconnect(hass):
-    """Test restoring a saved snapshot when reconnecting to amp."""
-    ws66i = MockWs66i()
-    config_entry = await _setup_ws66i_with_options(hass, ws66i)
-
-    # Changing media player to new state
-    await _call_media_player_service(
-        hass, SERVICE_VOLUME_SET, {"entity_id": ZONE_1_ID, "volume_level": 0.0}
-    )
-    await _call_media_player_service(
-        hass, SERVICE_SELECT_SOURCE, {"entity_id": ZONE_1_ID, "source": "one"}
-    )
-
-    # Save a snapshot
-    await _call_ws66i_service(hass, SERVICE_SNAPSHOT, {"entity_id": ZONE_1_ID})
-
-    ws66i_data = hass.data[DOMAIN][config_entry.entry_id]
-    coordinator = ws66i_data.coordinator
-
-    # Failed update,
-    with patch.object(MockWs66i, "zone_status", return_value=None):
-        await coordinator.async_refresh()
-        await hass.async_block_till_done()
-
-    assert hass.states.is_state(ZONE_1_ID, STATE_UNAVAILABLE)
-
-    # A connection re-attempt succeeds
-    await coordinator.async_refresh()
-    await hass.async_block_till_done()
-
-    # confirm entity is back on
-    state = hass.states.get(ZONE_1_ID)
-
-    assert hass.states.is_state(ZONE_1_ID, STATE_ON)
-    assert state.attributes[ATTR_MEDIA_VOLUME_LEVEL] == 0.0
-    assert state.attributes[ATTR_INPUT_SOURCE] == "one"
-
-    # Change states
-    await _call_media_player_service(
-        hass, SERVICE_VOLUME_SET, {"entity_id": ZONE_1_ID, "volume_level": 1.0}
-    )
-    await _call_media_player_service(
-        hass, SERVICE_SELECT_SOURCE, {"entity_id": ZONE_1_ID, "source": "six"}
-    )
-
-    # Now confirm that the snapshot before the disconnect works
-    await _call_ws66i_service(hass, SERVICE_RESTORE, {"entity_id": ZONE_1_ID})
-    await hass.async_block_till_done()
-
-    state = hass.states.get(ZONE_1_ID)
-
-    assert state.attributes[ATTR_MEDIA_VOLUME_LEVEL] == 0.0
-    assert state.attributes[ATTR_INPUT_SOURCE] == "one"