Latest Facebook 543 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 16; SM-A546B Build/BP2A.250605.031.A3; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/143.0.7499.143 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/543.0.0.55.73;IABMV/1;] FBNV/500 Android 16 Galaxy A54 5G
Mozilla/5.0 (Linux; Android 14; TECNO KL5 Build/UP1A.231005.007; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/145.0.7632.120 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/543.0.0.55.73;IABMV/1;] Android 14 Spark 30C
Mozilla/5.0 (Linux; Android 11; SM-A705FN Build/RP1A.200720.012; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/145.0.7632.122 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/543.0.0.55.73;IABMV/1;] Android 11 Galaxy A70
Mozilla/5.0 (iPhone; CPU iPhone OS 18_3_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22D82 Safari/604.1 [FBAN/FBIOS;FBAV/543.0.0.47.72;FBBV/845843444;FBDV/iPhone14,7;FBMD/iPhone;FBSN/iOS;FBSV/18.3.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/861577609;IABMV/1] iOS 18 iPhone 14
Mozilla/5.0 (iPhone; CPU iPhone OS 26_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23D127 Safari/604.1 [FBAN/FBIOS;FBAV/543.0.0.47.72;FBBV/845843444;FBDV/iPhone18,2;FBMD/iPhone;FBSN/iOS;FBSV/26.3;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/861577609;IABMV/1] iOS 26 iPhone 17 Pro Max
Mozilla/5.0 (Linux; Android 10; TECNO KE6j Build/QP1A.190711.020; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/145.0.7632.120 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/543.0.0.55.73;IABMV/1;] Android 10 Spark 6 Air
Mozilla/5.0 (Linux; Android 14; moto g04 Build/ULAS34.89-208-2; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/143.0.7499.143 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/543.0.0.55.73;IABMV/1;] Android 14 Moto G04
Mozilla/5.0 (Linux; Android 9; SM-G950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/138.0.7204.179 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/543.0.0.55.73;IABMV/1;] Android 9 Galaxy S8
Mozilla/5.0 (iPhone; CPU iPhone OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22H124 Safari/604.1 [FBAN/FBIOS;FBAV/543.0.0.47.72;FBBV/845843444;FBDV/iPhone14,7;FBMD/iPhone;FBSN/iOS;FBSV/18.7.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/861577609;IABMV/1];FBNV/1 iOS 18 iPhone 14
Mozilla/5.0 (Linux; Android 15; Infinix X6880 Build/AP3A.240905.015.A2; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/145.0.7632.120 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/543.0.0.55.73;IABMV/1;] Android 15 Hot 50 Pro+
Mozilla/5.0 (Linux; Android 11; V2026 Build/RP1A.200720.012; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/143.0.7499.143 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/543.0.0.55.73;IABMV/1;] Android 11 Y12s
Mozilla/5.0 (Linux; Android 15; V2317 Build/AP3A.240905.015.A2_NONFC; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/143.0.7499.143 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/543.0.0.55.73;IABMV/1;] Android 15 V29e 5G
Mozilla/5.0 (Linux; Android 15; V2246 Build/AP3A.240905.015.A2_INMOD1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/143.0.7499.143 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/543.0.0.55.73;IABMV/1;] FBNV/500 Android 15 V27
Mozilla/5.0 (Linux; Android 11; M2006C3LG Build/RP1A.200720.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/145.0.7632.120 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/543.0.0.55.73;IABMV/1;] Android 11 Redmi 9A
Mozilla/5.0 (Linux; Android 11; TECNO BD4a Build/RP1A.200720.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/145.0.7632.159 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/543.0.0.55.73;IABMV/1;] Android 11 Pop 5 LTE
Mozilla/5.0 (iPhone; CPU iPhone OS 26_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23C71 Safari/604.1 [FBAN/FBIOS;FBAV/543.0.0.47.72;FBBV/845843444;FBDV/iPhone14,3;FBMD/iPhone;FBSN/iOS;FBSV/26.2.1;FBSS/3;FBID/phone;FBLC/it_IT;FBOP/5;FBRV/861577609;IABMV/1] iOS 26 iPhone 13 Pro Max
Mozilla/5.0 (Linux; Android 13; TECNO BG7 Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/145.0.7632.120 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/543.0.0.55.73;IABMV/1;] Android 13 Spark 20C
Mozilla/5.0 (Linux; Android 14; CPH2469 Build/TP1A.220905.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/143.0.7499.143 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/543.0.0.55.73;IABMV/1;] Android 14 Nord N20 SE
Mozilla/5.0 (Linux; Android 11; M2101K7BI Build/RP1A.200720.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/143.0.7499.143 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/543.0.0.55.73;IABMV/1;] Android 11 Redmi Note 10S
Mozilla/5.0 (Linux; Android 10; RMX2030 Build/QKQ1.200209.002; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/143.0.7499.143 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/543.0.0.55.73;IABMV/1;] Android 10 5i