diff --git a/source/_integrations/sms.markdown b/source/_integrations/sms.markdown
index 5c12313fcf7..c5784e77ab5 100644
--- a/source/_integrations/sms.markdown
+++ b/source/_integrations/sms.markdown
@@ -22,18 +22,9 @@ This integration provides the following platforms:
 
 - Notify
 
-## Configuration
+{% include integrations/config_flow.md %}
 
-Activate `SMS` via the integrations menu and search for `SMS`.
-While activating the integration, it will ask for your serial device. Make sure the device is connected and have a valid SIM activated.
-
-You can also enable `SMS` via your `configuration.yaml` file:
-
-```yaml
-# Example configuration.yaml entry
-sms:
-  device: /dev/ttyUSB2
-```
+## Notifications
 
 To configure the notification service, edit your `configuration.yaml` file:
 
@@ -47,15 +38,6 @@ notify:
     recipient: PHONE_NUMBER
 ```
 
-{% configuration %}
-device:
-  description: The gsm modem device.
-  required: true
-  type: string
-{% endconfiguration %}
-
-## Notifications
-
 You can also receive SMS messages that are sent to the SIM card number in your device.
 Every time there is a message received, `event: sms.incoming_sms` is fired with date, phone number and text message.
 
@@ -82,12 +64,13 @@ Note: When running Home Assistant, you need to install the SSH add-on.
 You will need a USB GSM stick modem or device like SIM800L v2 connected via USB UART.
 
 ### List of modems known to work
-
+- [SIM800C HAT form factor](https://www.amazon.com/gp/product/B07PQLRCNR/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1) Make sure to `enable_uart=1` on your `config.txt` boot file.
+- [SIM800C](https://www.amazon.com/gp/product/B087Z6F953/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1)
 - [Huawei E3372-510](https://www.amazon.com/gp/product/B01N6P3HI2/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1)(
 Need to unlock it using [this guide](http://blog.asiantuntijakaveri.fi/2015/07/convert-huawei-e3372h-153-from.html))
 - [Huawei E3531](https://www.amazon.com/Modem-Huawei-Unlocked-Caribbean-Desbloqueado/dp/B011YZZ6Q2/ref=sr_1_1?keywords=Huawei+E3531&qid=1581447800&sr=8-1)
 - [Huawei E3272](https://www.amazon.com/Huawei-E3272s-506-Unlocked-Americas-Europe/dp/B00HBL51OQ)
-- [SIM800C](https://www.amazon.com/gp/product/B087Z6F953/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1)
+
 
 ### List of modems known to NOT work