VPN isn't working on my droplet.
I followed this guide: https://github.com/hwdsl2/setup-ipsec-vpn
I did what they said to do if there were problems connecting with an iPhone.
Without some information on where in this guide you got stuck, what errors you are seeing, or what is happening when you try to connect, it is unlikely anyone will be able to help you resolve this. Please update us with some relevant details about what problems you are encountering so we can assist you.