This tutorial is outdated; the instructions may differ based on your iOS version.
Disclaimer: This guide is outdated but will be updated in the future. Additionally, this app requires internet access to function, so you must use mobile data or Wi-Fi to use it.
Please note, the app runs in your mobile browser—it behaves like an app but operates through your default browser.
You will see the following prompt, click "Allow"
Then open the Settings app, and click "Profile Downloaded".