If “App Updates” is on in Settings → App Store, iOS will update Facebook in the background overnight when charging and on Wi-Fi.
Once the progress circle completes, tap Open . You can now sign in with your existing account or select Create New Account to get started. Core Features of the iOS App
Create a free Apple ID if you don’t have one. It takes two minutes and unlocks the entire App Store.
By following this guide, you can safely install, maintain, and if necessary, remove Facebook from any iOS device while retaining control over your data and user experience.
Deleting removes all local data, but your account and data remain on Facebook’s servers. To delete your actual Facebook account, you must do so via the web or in-app settings before uninstalling.
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