Let’s get started with Facebook – Enable/Disable Profile Picture Login. The first time you login to Facebook from your Android or iPhone device, you are prompted to setup Profile Picture Login (formerly known as One-Tap Login).
To set it up again, try these steps.
Main Profile Picture Login Setting
From a web browser, login to Facebook.
1. Select the menu arrow located at the upper-right corner, then choose “Settings“.
2. Select “Security” on the left pane.
3. Select the “Edit” link in the “Profile Picture Login” area.
4. Select “Turn off profile picture login” or “Turn on profile picture login” as desired.
Enable Profile Picture Login on Device
1. Do one of the following depending on whether you have an iPhone or Android:
– Android – Go to “Settings” > “Apps” > “Facebook” > “Storage” > “Clear data“.
– iPhone – Go to “Settings” > “Storage & iCloud Usage” > “Manage Storage” > “Facebook” > “Delete App“. After the app is removed, open the App Store app and reinstall Facebook
2. Open the Facebook app, and enter your login credentials.
3. Once you login, you will be prompted to enable Profile Picture Login.