You need to have an active Amplespot account in order to download the firmware for your device. Sign up you have not done so already.
The list of compatible devices can be found in this article.
Follow these steps to download firmware:
- Login to WiFi Admin Portal
- Click Firmware link on the left
- Select your device and click Download button to start the download process.
For instructions on how to install the firmware take a look at these articles.