diff --git a/src/wled/models.py b/src/wled/models.py
index c068c7d8..aee514eb 100644
--- a/src/wled/models.py
+++ b/src/wled/models.py
@@ -887,13 +887,14 @@ def __pre_deserialize__(cls, d: dict[Any, Any]) -> dict[Any, Any]:
             d["effects"] = {
                 effect_id: {"effect_id": effect_id, "name": name}
                 for effect_id, name in enumerate(_effects)
-                if "RSVD" not in name
+                if isinstance(name, str) and "RSVD" not in name
             }
 
         if _palettes := d.get("palettes"):
             built_in_palettes = {
                 palette_id: {"palette_id": palette_id, "name": name}
                 for palette_id, name in enumerate(_palettes)
+                if isinstance(name, str)
             }
             info = d.get("info", {})
             cpalcount = info.get("cpalcount", 0)
@@ -957,13 +958,14 @@ def update_from_dict(self, data: dict[str, Any]) -> Device:
             self.effects = {
                 effect_id: Effect(effect_id=effect_id, name=name)
                 for effect_id, name in enumerate(_effects)
-                if "RSVD" not in name
+                if isinstance(name, str) and "RSVD" not in name
             }
 
         if _palettes := data.get("palettes"):
             built_in_palettes = {
                 palette_id: Palette(palette_id=palette_id, name=name)
                 for palette_id, name in enumerate(_palettes)
+                if isinstance(name, str)
             }
             custom_palettes = self._build_custom_palettes(
                 self.info.custom_palette_count, self.info.version
diff --git a/tests/test_models.py b/tests/test_models.py
index 4ec6397d..c32bbb79 100644
--- a/tests/test_models.py
+++ b/tests/test_models.py
@@ -688,6 +688,17 @@ def test_device_update_from_dict_effects() -> None:
     assert device.effects[2].name == "NewEffect2"
 
 
+def test_device_update_from_dict_filters_null_effects() -> None:
+    """Test update_from_dict filters null effects."""
+    data = full_device_data()
+    device = Device.from_dict(data)
+    device.update_from_dict({"effects": ["NewEffect1", None, "NewEffect2"]})
+    assert len(device.effects) == 2
+    assert 1 not in device.effects
+    assert device.effects[0].name == "NewEffect1"
+    assert device.effects[2].name == "NewEffect2"
+
+
 def test_device_filters_reserved_effects() -> None:
     """Test that RSVD placeholder effects are filtered out."""
     data = full_device_data()
@@ -700,6 +711,31 @@ def test_device_filters_reserved_effects() -> None:
     assert device.effects[2].name == "Breathe"
 
 
+def test_device_filters_null_effects() -> None:
+    """Test that null effects are filtered out."""
+    data = full_device_data()
+    data["effects"] = ["Solid", None, "Breathe"]
+    device = Device.from_dict(data)
+    assert len(device.effects) == 2
+    assert 1 not in device.effects
+    assert device.effects[0].name == "Solid"
+    assert device.effects[2].name == "Breathe"
+
+
+def test_device_filters_null_palettes() -> None:
+    """Test that null palettes are filtered out."""
+    data = full_device_data()
+    data["info"]["cpalcount"] = 0
+    data["info"]["umpalcount"] = 0
+    data["info"]["umpalnames"] = []
+    data["palettes"] = ["Default", None, "Party"]
+    device = Device.from_dict(data)
+    assert len(device.palettes) == 2
+    assert 1 not in device.palettes
+    assert device.palettes[0].name == "Default"
+    assert device.palettes[2].name == "Party"
+
+
 @pytest.mark.parametrize(
     ("version", "expected_palette_ids"),
     [
@@ -748,6 +784,20 @@ def test_device_update_from_dict_palettes(
     assert device.palettes[expected_custom_ids[1]].custom is True
 
 
+def test_device_update_from_dict_filters_null_palettes() -> None:
+    """Test update_from_dict filters null palettes."""
+    data = full_device_data()
+    data["info"]["cpalcount"] = 0
+    data["info"]["umpalcount"] = 0
+    data["info"]["umpalnames"] = []
+    device = Device.from_dict(data)
+    device.update_from_dict({"palettes": ["Default", None, "Party"]})
+    assert len(device.palettes) == 2
+    assert 1 not in device.palettes
+    assert device.palettes[0].name == "Default"
+    assert device.palettes[2].name == "Party"
+
+
 def test_device_usermod_palettes() -> None:
     """Test usermod palettes are correctly added to device palettes."""
     data = full_device_data()