Jcarolinares/wisgate firmware fix (#1719)

* Link fix

* New firmware version

Author: jcarolinares

content/hardware/05.pro-solutions/solutions-and-kits/wisgate-edge-lite-2/tutorials/update-firmware/content.md

@@ -28,15 +28,15 @@ The goals of this article are:
 
 ## Requirements
 
-We assume that you already connected the gateway to your local network, and you can connect to it using your favourite method.
+We assume that you already connected the gateway to your local network, and you can connect to it using your favorite method.
 
-You can check out the needed steps on the [Getting Started tutorial](./getting-started).
+You can check out the needed steps on the [Getting Started tutorial](../getting-started/).
 
 ## Instructions
 
 ### Download the Latest Firmware Version
 
-To update the firmware of your product click here to download the [**Latest Firmware Version**](https://content.arduino.cc/assets/WisGateOS_2.1.4_ARDUINO_RAK.zip).
+To update the firmware of your product click here to download the [**Latest Firmware Version**](https://content.arduino.cc/assets/WisGateOS_2.1.8_ARDUINO_b108_RAK636.zip).
 
 You will get a zip file called `WisGateOS_<version>_ARDUINO_RAK.zip`. Unzip it and you will have the required firmware files.