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...	...	@@ -350,8 +350,8 @@
350	350
351	351	Click on the **Advanced settings** button.
352	352
353		-* **Clean session:** NO
354		-* **Retained**: NO
	353	+* **Clean session:** YES
	354	+* **Retained**: YES
355	355
356	356	[[image:add-integration-connection-advanced-settings.png||height="510" width="500"]]
357	357
...	...	@@ -416,7 +416,7 @@
416	416	On the terminal, issue the following MQTT command which simulates the device S31B-NB. The message payload contains the fields temperature and humidity, which hold the values 10.4 and 85, respectively. This payload is also (technically) known as telemetry.
417	417
418	418	{{code language="none"}}
419		-mosquitto_pub -d -q 1 -h 011731f7928541588a6cdfbbedfc63f4.s1.eu.hivemq.cloud -p 8883 -t "tb/mqtt-integration-tutorial/sensors/S31B-NB/telemetry" -u "pradeeka" -P "Kalpani123@" -m '{"temperature":10.4, "humidity":85}'
	419	+mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -t "tb/mqtt-integration-tutorial/sensors/S31B-NB/telemetry" -u "xxxxx" -P "xxxxx" -m '{"temperature":10.4, "humidity":85}'
420	420	{{/code}}
421	421
422	422	If the integration was performed without errors, the status of the integration changes to 'Active' after the first telemetry transmission.
...	...	@@ -503,37 +503,57 @@
503	503
504	504	Configure the **Time series chart** widget as follows:
505	505
506		-* Datasource - select S31B-NB device you provisioned.
507		-* Series:
	506	+* **Datasource** - select S31B-NB device you provisioned.
	507	+* **Series**:
508	508	** **temperature** - you can see this key by default.
509		-** **humidity** - Click **Add series** button to add the **humidity** and then type **%** as its unit.
	509	+** **humidity** - Click **Add series** button. Then add the **humidity** for the key and then type **%** as its unit.
510	510	* Click on the **Add** button.
511	511
512	512	[[image:timeseries-1.png||height="491" width="700"]]
513	513
514	514
515		-= 7. Configure NB-IoT Sensor =
	515	+The time-series chart will appear in edit mode. Resize it by clicking and dragging the lower-right corner.
516	516
	517	+Click the **Save** button to add the widget to the dashboard.
517	517
518		-Now, let's experiment with sending data to ThingsBoard using a real NB-IoT device. For example, we will use the **S31B-NB**.
519	519
520		-First, configure the NB-IoT device with the necessary MQTT settings using AT commands. Below is a list of AT commands you can use.
	520	+[[image:timeseries-3.png||height="347" width="700"]]
521	521
522	522
523		-**AT Commands**
	523	+Now send the following MQTT messages from the terminal to simulate the data.
524	524
525		-* **AT+PRO=3,3  **~/~/ Use MQTT to connect to ThingsBoard. Payload Type set to 3.
526	526
527		-* **AT+SUBTOPIC=<device name>**  Eg.
	526	+{{code language="none"}}
	527	+mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -t "tb/mqtt-integration-tutorial/sensors/S31B-NB/telemetry" -u "xxxxx" -P "xxxxx" -m '{"temperature":20, "humidity":70}'
528	528
529		-* **AT+PUBTOPIC=<device name>**
	529	+mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -t "tb/mqtt-integration-tutorial/sensors/S31B-NB/telemetry" -u "xxxxx" -P "xxxxx" -m '{"temperature":22, "humidity":71}'
530	530
531		-* **AT+CLIENT=<device name> or User Defined**
	531	+mosquitto_pub -d -q 1 -h 011731f7928xxxxx.s1.eu.hivemq.cloud -p 8883 -t "tb/mqtt-integration-tutorial/sensors/S31B-NB/telemetry" -u "xxxxx" -P "xxxxx" -m '{"temperature":18, "humidity":79}'
532	532
533		-* **AT+UNAME=<device name> or User Defined**
	533	+{{/code}}
534	534
535		-* **AT+PWD=<device name> or User Defined**
	535	+The chart will update with the values in realtime, as shown in the below image.
536	536
537		-Test Uplink by click the button for 1 second
538	538
	538	+[[image:timeseries-4.png||height="316" width="700"]]
539	539
	540	+
	541	+= 7. Configure NB-IoT Sensor =
	542	+
	543	+
	544	+Now, let's experiment with sending data to ThingsBoard using a real NB-IoT device. For example, we will use the **S31B-NB**.
	545	+
	546	+First, configure the NB-IoT device with the necessary MQTT settings using AT commands. Below is a list of AT commands you can use.
	547	+
	548	+
	549	+**AT Commands**
	550	+
	551	+* **AT+PRO=3,3    **~/~/ Use MQTT to connect to ThingsBoard. Payload Type set to 3.
	552	+* **AT+SUBTOPIC=<MQTT topic>**
	553	+* **AT+PUBTOPIC=<MQTT topic>**
	554	+* **AT+CLIENT=null**
	555	+* **AT+UNAME=<MQTT Username>**
	556	+* **AT+PWD=<MQTT Password>**
	557	+* **AT+SERVADDR=<Broker address, Port>**
	558	+
	559	+Test your uplink by pressing the ACT button for 1 second.