diff --git a/.azure-devops/sync_models.yml b/.azure-devops/sync_models.yml
index b3d51bbe2..e328fcef5 100644
--- a/.azure-devops/sync_models.yml
+++ b/.azure-devops/sync_models.yml
@@ -2,7 +2,7 @@
 
 variables:
  - name: dmrClientVer
-   value: 1.0.0-beta.2
+   value: 1.0.0-beta.3
  - name: indexStagingPath
    value: ./index_pages/
  - name: pageLimit
diff --git a/.github/workflows/validate_models.yml b/.github/workflows/validate_models.yml
index 1b6169970..c039811ef 100644
--- a/.github/workflows/validate_models.yml
+++ b/.github/workflows/validate_models.yml
@@ -13,13 +13,13 @@ jobs:
         uses: actions/checkout@v2
         with:
           repository: Azure/iot-plugandplay-models-tools
-          ref: 1.0.0-beta.2
+          ref: 1.0.0-beta.3
           path: dmr-tool-cache
 
       - name: Build and install Microsoft.IoT.ModelsRepository.CommandLine tool (dmr-client)
         run: |
           dotnet pack dmr-tool-cache/clients/dotnet -v q -c Release
-          dotnet tool install -g Microsoft.IoT.ModelsRepository.CommandLine --add-source dmr-tool-cache/clients/dotnet/Microsoft.IoT.ModelsRepository.CommandLine/bin/Release --version 1.0.0-beta.2
+          dotnet tool install -g Microsoft.IoT.ModelsRepository.CommandLine --add-source dmr-tool-cache/clients/dotnet/Microsoft.IoT.ModelsRepository.CommandLine/bin/Release --version 1.0.0-beta.3
           rm -rf dmr-tool-cache
 
       - name: Checkout code
diff --git a/dtmi/azure/sensors-1.json b/dtmi/azure/sensors-1.json
new file mode 100644
index 000000000..9cf65d205
--- /dev/null
+++ b/dtmi/azure/sensors-1.json
@@ -0,0 +1,78 @@
+{
+    "@context": [
+      "dtmi:iotcentral:context;2",
+      "dtmi:dtdl:context;2"
+    ],
+    "@id": "dtmi:azure:sensors;1",
+    "@type": "Interface",
+    "contents": [
+      {
+        "@id": "dtmi:azure:sensors:battery;1",
+        "@type": "Telemetry",
+        "comment": "Level percentage",
+        "displayName": {
+          "en": "Battery Level"
+        },
+        "name": "battery",
+        "schema": "integer"
+      },
+      {
+        "@id": "dtmi:azure:sensors:accelerometer;1",
+        "@type": [
+          "Telemetry",
+          "AccelerationVector"
+        ],
+        "displayName": {
+          "en": "Acceleration"
+        },
+        "name": "accelerometer",
+        "schema": "vector"
+      },
+      {
+        "@id": "dtmi:azure:sensors:gyroscope;1",
+        "@type": "Telemetry",
+        "displayName": {
+          "en": "Rotation"
+        },
+        "name": "gyroscope",
+        "schema": "vector"
+      },
+      {
+        "@id": "dtmi:azure:sensors:magnetometer;1",
+        "@type": "Telemetry",
+        "displayName": {
+          "en": "Magnetic induction"
+        },
+        "name": "magnetometer",
+        "schema": "vector"
+      },
+      {
+        "@id": "dtmi:azure:sensors:barometer;1",
+        "@type": [
+          "Telemetry",
+          "Pressure"
+        ],
+        "displayName": {
+          "en": "Pressure"
+        },
+        "name": "barometer",
+        "schema": "double",
+        "unit": "kilopascal"
+      },
+      {
+        "@id": "dtmi:azure:sensors:geolocation;1",
+        "@type": [
+          "Telemetry",
+          "Location"
+        ],
+        "displayName": {
+          "en": "Location"
+        },
+        "name": "geolocation",
+        "schema": "geopoint"
+      }
+    ],
+    "displayName": {
+      "en": "Sensors"
+    }
+  }
\ No newline at end of file
diff --git a/dtmi/azure/smartphone-1.json b/dtmi/azure/smartphone-1.json
new file mode 100644
index 000000000..f5fe4c1e2
--- /dev/null
+++ b/dtmi/azure/smartphone-1.json
@@ -0,0 +1,351 @@
+{
+    "@id": "dtmi:azure:smartphone;1",
+    "@type": "Interface",
+    "contents": [
+      {
+        "@id": "dtmi:azure:smartphone:sensors;1",
+        "@type": "Component",
+        "displayName": {
+          "en": "Sensors"
+        },
+        "name": "sensors",
+        "schema": "dtmi:azure:sensors;1"
+      },
+      {
+        "@id": "dtmi:azure:smartphone:device_info;1",
+        "@type": "Component",
+        "displayName": {
+          "en": "Device information"
+        },
+        "name": "device_info",
+        "schema": "dtmi:azure:DeviceManagement:DeviceInformation;1"
+      },
+      {
+        "@id": "dtmi:azure:smartphone:enableSensors;1",
+        "@type": "Command",
+        "commandType": "synchronous",
+        "displayName": {
+          "en": "Enable Sensors"
+        },
+        "name": "enableSensors",
+        "request": {
+          "@type": "CommandPayload",
+          "displayName": {
+            "en": "Sensor"
+          },
+          "name": "sensor",
+          "schema": {
+            "@id": "dtmi:azure:smartphone:enableSensors:request:payload:schema;1",
+            "@type": "Object",
+            "displayName": {
+              "en": "Sensor"
+            },
+            "fields": [
+              {
+                "@id": "dtmi:azure:smartphone:enableSensors:request:payload:schema:sensor;1",
+                "displayName": {
+                  "en": "Sensor"
+                },
+                "name": "sensor",
+                "schema": {
+                  "@id": "dtmi:azure:smartphone:enableSensors:request:payload:schema:sensor:schema;1",
+                  "@type": "Enum",
+                  "displayName": {
+                    "en": "Enum"
+                  },
+                  "enumValues": [
+                    {
+                      "@id": "dtmi:azure:smartphone:enableSensors:request:payload:schema:sensor:schema:Acceleration;1",
+                      "displayName": {
+                        "en": "Acceleration"
+                      },
+                      "enumValue": "accelerometer",
+                      "name": "Acceleration"
+                    },
+                    {
+                      "@id": "dtmi:azure:smartphone:enableSensors:request:payload:schema:sensor:schema:Pressure;1",
+                      "displayName": {
+                        "en": "Pressure"
+                      },
+                      "enumValue": "barometer",
+                      "name": "Pressure"
+                    },
+                    {
+                      "@id": "dtmi:azure:smartphone:enableSensors:request:payload:schema:sensor:schema:Rotation;1",
+                      "displayName": {
+                        "en": "Rotation"
+                      },
+                      "enumValue": "gyroscope",
+                      "name": "Rotation"
+                    },
+                    {
+                      "@id": "dtmi:azure:smartphone:enableSensors:request:payload:schema:sensor:schema:MagneticInduction;1",
+                      "displayName": {
+                        "en": "Magnetic Induction"
+                      },
+                      "enumValue": "magnetometer",
+                      "name": "MagneticInduction"
+                    },
+                    {
+                      "@id": "dtmi:azure:smartphone:enableSensors:request:payload:schema:sensor:schema:Location;1",
+                      "displayName": {
+                        "en": "Location"
+                      },
+                      "enumValue": "geolocation",
+                      "name": "Location"
+                    },
+                    {
+                      "@id": "dtmi:azure:smartphone:enableSensors:request:payload:schema:sensor:schema:Battery;1",
+                      "displayName": {
+                        "en": "Battery Level"
+                      },
+                      "enumValue": "battery",
+                      "name": "Battery"
+                    }
+                  ],
+                  "valueSchema": "string"
+                }
+              },
+              {
+                "@id": "dtmi:azure:smartphone:enableSensors:request:payload:schema:enable;1",
+                "displayName": {
+                  "en": "Enable"
+                },
+                "name": "enable",
+                "schema": "boolean"
+              }
+            ]
+          }
+        }
+      },
+      {
+        "@id": "dtmi:azure:smartphone:changeInterval;1",
+        "@type": "Command",
+        "commandType": "synchronous",
+        "displayName": {
+          "en": "Change Delivery Interval"
+        },
+        "name": "changeInterval",
+        "request": {
+          "@type": "CommandPayload",
+          "displayName": {
+            "en": "Payload"
+          },
+          "name": "payload",
+          "schema": {
+            "@id": "dtmi:azure:smartphone:changeInterval:request:payload:schema;1",
+            "@type": "Object",
+            "displayName": {
+              "en": "Sensor"
+            },
+            "fields": [
+              {
+                "@id": "dtmi:azure:smartphone:changeInterval:request:payload:schema:sensor;1",
+                "displayName": {
+                  "en": "Sensor"
+                },
+                "name": "sensor",
+                "schema": {
+                  "@id": "dtmi:azure:smartphone:changeInterval:request:payload:schema:sensor:schema;1",
+                  "@type": "Enum",
+                  "displayName": {
+                    "en": "Enum"
+                  },
+                  "enumValues": [
+                    {
+                      "@id": "dtmi:azure:smartphone:changeInterval:request:payload:schema:sensor:schema:Acceleration;1",
+                      "displayName": {
+                        "en": "Acceleration"
+                      },
+                      "enumValue": "accelerometer",
+                      "name": "Acceleration"
+                    },
+                    {
+                      "@id": "dtmi:azure:smartphone:changeInterval:request:payload:schema:sensor:schema:Pressure;1",
+                      "displayName": {
+                        "en": "Pressure"
+                      },
+                      "enumValue": "barometer",
+                      "name": "Pressure"
+                    },
+                    {
+                      "@id": "dtmi:azure:smartphone:changeInterval:request:payload:schema:sensor:schema:Rotation;1",
+                      "displayName": {
+                        "en": "Rotation"
+                      },
+                      "enumValue": "gyroscope",
+                      "name": "Rotation"
+                    },
+                    {
+                      "@id": "dtmi:azure:smartphone:changeInterval:request:payload:schema:sensor:schema:MagneticInduction;1",
+                      "displayName": {
+                        "en": "Magnetic Induction"
+                      },
+                      "enumValue": "magnetometer",
+                      "name": "MagneticInduction"
+                    },
+                    {
+                      "@id": "dtmi:azure:smartphone:changeInterval:request:payload:schema:sensor:schema:Location;1",
+                      "displayName": {
+                        "en": "Location"
+                      },
+                      "enumValue": "geolocation",
+                      "name": "Location"
+                    },
+                    {
+                      "@id": "dtmi:azure:smartphone:changeInterval:request:payload:schema:sensor:schema:Battery;1",
+                      "displayName": {
+                        "en": "Battery Level"
+                      },
+                      "enumValue": "battery",
+                      "name": "Battery"
+                    }
+                  ],
+                  "valueSchema": "string"
+                }
+              },
+              {
+                "@id": "dtmi:azure:smartphone:changeInterval:request:payload:schema:interval;1",
+                "displayName": {
+                  "en": "Interval"
+                },
+                "name": "interval",
+                "schema": "integer"
+              }
+            ]
+          }
+        }
+      },
+      {
+        "@id": "dtmi:azure:smartphone:lightOn;1",
+        "@type": "Command",
+        "commandType": "synchronous",
+        "displayName": {
+          "en": "LightOn"
+        },
+        "name": "lightOn",
+        "request": {
+          "@type": "CommandPayload",
+          "displayName": {
+            "en": "Parameters"
+          },
+          "name": "parameters",
+          "schema": {
+            "@type": "Object",
+            "displayName": {
+              "en": "Object"
+            },
+            "fields": [
+              {
+                "displayName": {
+                  "en": "Duration"
+                },
+                "name": "duration",
+                "schema": "integer"
+              },
+              {
+                "displayName": {
+                  "en": "Pulses interval"
+                },
+                "name": "delay",
+                "schema": "integer"
+              },
+              {
+                "displayName": {
+                  "en": "Pulses"
+                },
+                "name": "pulses",
+                "schema": "integer"
+              }
+            ]
+          }
+        }
+      },
+      {
+        "@id": "dtmi:azure:smartphone:writeableProp;1",
+        "@type": "Property",
+        "displayName": {
+          "en": "Writeable Property"
+        },
+        "name": "writeableProp",
+        "schema": "string",
+        "writable": true
+      },
+      {
+        "@id": "dtmi:azure:smartphone:readOnlyProp;1",
+        "@type": "Property",
+        "displayName": {
+          "en": "Readonly Property"
+        },
+        "name": "readOnlyProp",
+        "schema": "string"
+      }
+    ],
+    "displayName": {
+      "en": "Smartphone"
+    },
+    "schemas": [
+      {
+        "@id": "dtmi:azure:smartphone:sensors:schema;1",
+        "@type": "Enum",
+        "displayName": {
+          "en": "Enum"
+        },
+        "enumValues": [
+          {
+            "@id": "dtmi:azure:smartphone:sensors:schema:Acceleration;1",
+            "displayName": {
+              "en": "Acceleration"
+            },
+            "enumValue": "accelerometer",
+            "name": "Acceleration"
+          },
+          {
+            "@id": "dtmi:azure:smartphone:sensors:schema:Pressure;1",
+            "displayName": {
+              "en": "Pressure"
+            },
+            "enumValue": "barometer",
+            "name": "Pressure"
+          },
+          {
+            "@id": "dtmi:azure:smartphone:sensors:schema:Rotation;1",
+            "displayName": {
+              "en": "Rotation"
+            },
+            "enumValue": "gyroscope",
+            "name": "Rotation"
+          },
+          {
+            "@id": "dtmi:azure:smartphone:sensors:schema:MagneticInduction;1",
+            "displayName": {
+              "en": "Magnetic Induction"
+            },
+            "enumValue": "magnetometer",
+            "name": "MagneticInduction"
+          },
+          {
+            "@id": "dtmi:azure:smartphone:sensors:schema:Location;1",
+            "displayName": {
+              "en": "Location"
+            },
+            "enumValue": "geolocation",
+            "name": "Location"
+          },
+          {
+            "@id": "dtmi:azure:smartphone:sensors:schema:Battery;1",
+            "displayName": {
+              "en": "Battery Level"
+            },
+            "enumValue": "battery",
+            "name": "Battery"
+          }
+        ],
+        "valueSchema": "string"
+      }
+    ],
+    "@context": [
+      "dtmi:iotcentral:context;2",
+      "dtmi:dtdl:context;2"
+    ]
+  }
\ No newline at end of file