How to ‘officially’ lock Facebook Messenger on iPhone with Face ID

To address security concerns, Facebook has added another feature to its Messenger app. Facebook has added an additional layer of security to the Messenger app that now allows users to lock the entire app. This will prevent the unauthorised access to the app and its data whenever you handover your phone to someone else due to any reason.

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To address security concerns, Facebook has added another feature to its Messenger app. Facebook has added an additional layer of security to the Messenger app that now allows users to lock the entire app. This will prevent the unauthorised access to the app and its data whenever you handover your phone to someone else due to any reason.