How to enable the secret, hidden dark mode in Facebook Messenger - BetaNews

1. How to enable the secret, hidden dark mode in Facebook Messenger  BetaNews
2. How to Enable Facebook Messenger's Secret Dark Mode on Android  Lifehacker
3. How to manually enable Facebook Messenger dark mode  Android Police
4. Facebook Messenger Adds Hidden 'Dark Mode' Ahead of iOS 13  Mac Rumors
5. There's an easter egg to enable Facebook Messenger's dark mode  Neowin
6. View full coverage on Google News

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