Open your mobile browser (like Chrome or Safari) and go to the Facebook website (not the app).
You may see websites, apps, or Telegram bots claiming they can reveal full locked profile pictures. Here’s what they actually do:
Viewing a full-size profile picture on a locked Facebook (FB) profile can be tricky because the feature is designed to protect user privacy. However, there are a few reliable methods you can use to see the image in a larger or full-resolution format without needing to be friends with the person. 1. The Mobile Browser "Long-Press" Trick