This is more effective than the app.
Whether you are using a desktop computer, an iPhone, or an Android device, here is everything you need to know about viewing full-size Facebook profile pictures. view facebook profile picture full size full
Never use tools that require you to log in with your Facebook account credentials. These are often phishing scams designed to steal your account. This is more effective than the app
Change those numbers to or s1080x1080 and press Enter . or an Android device
If a user changes their profile picture and then deletes the old one from their "Photos" album, the original URL becomes invalid. You will only see a low-res thumbnail Facebook cached.