updated screenshots

Author: JimacoMS3

articles/iot-hub/media/quickstart-send-telemetry-java/read-device-to-cloud.png

@@ -9,7 +9,7 @@ services: iot-hub
 ms.devlang: java
 ms.topic: quickstart
 ms.custom: [mvc, seo-java-august2019, seo-java-september2019, mqtt]
-ms.date: 06/21/2019
+ms.date: 05/21/2020
 # As a developer new to IoT Hub, I need to see how IoT Hub sends telemetry from a device to an IoT hub and how to read that telemetry data from the hub using a back-end application. 
 ---
 
@@ -125,7 +125,7 @@ The simulated device application connects to a device-specific endpoint on your
 
     The following screenshot shows the output as the simulated device application sends telemetry to your IoT hub:
 
-    ![Output from telemetry sent by the device to your IoT hub](media/quickstart-send-telemetry-java/iot-hub-simulated-device.png)
+    ![Output from telemetry sent by the device to your IoT hub](media/quickstart-send-telemetry-java/simulated-device.png)
 
 ## Read the telemetry from your hub
 
@@ -155,7 +155,7 @@ The back-end application connects to the service-side **Events** endpoint on you
 
     The following screenshot shows the output as the back-end application receives telemetry sent by the simulated device to the hub:
 
-    ![Output as back-end application receives telemetry sent to your IoT hub](media/quickstart-send-telemetry-java/iot-hub-read-device-to-cloud.png)
+    ![Output as back-end application receives telemetry sent to your IoT hub](media/quickstart-send-telemetry-java/read-device-to-cloud.png)
 
 ## Clean up resources