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In some phones, if you enable 'show system apps', you can see the following fb apps: Facebook App Installer Facebook App Manager Facebook Services All 3 can
by throwaway82003 5y ago
In some phones, if you enable 'show system apps', you can see the following fb apps:
Facebook App Installer
Facebook App Manager
Facebook Services
All 3 can be disabled.
Also they usually have Instagram and fb messenger pre-installed.
Also many apps come with fb SDK. On android, the app 'ClassyShark3xodus' can be used to check it. Available on Fdroid.