This tutorial guides users in creating a phone backup service using PHP, WhatsApp API, DigitalOcean Spaces, and Laravel. The service allows users to manually transfer data via WhatsApp to cloud storage, just by using their phone number. The project involves setting up a RESTful API in Laravel, connecting it to Twilio's WhatsApp API, and adding cloud storage via DigitalOcean Spaces. Users need to create a new Laravel project, add the Spaces API dependency, set up a Twilio account, create a DigitalOcean Space, and connect the MediaController to routing. The tutorial also covers connecting the endpoint to the WhatsApp sandbox and using ngrok to access the application. Once completed, users can test the phone backup service by forwarding an attachment from their phone, which will automatically upload to the DigitalOcean Space and send an automated SMS receipt with a public link to the file.