Abnormal user agent

Hi, everyone. What is this user agent? Should I block it?

Mozilla/5.0 (iPhone; CPU iPhone OS 15_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/19F77 [FBAN/FBIOS;FBDV/iPhone12,5;FBMD/iPhone;FBSN/iOS;FBSV/15.5;FBSS/3;FBID/phone;FBLC/en_Qaau_US;FBOP/5]

That’s the IOS Facebook app, it has a mini browser that’s used when you click on a link inside Facebook.


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