Latest Facebook 4 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; CPH2083 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/107.0.5304.105 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/4.1.0.0.0;] Android 9 A12
Mozilla/5.0 (Linux; Android 9; AMN-LX2 Build/HUAWEIAMN-LX2; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/111.0.5563.58 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/4.1.0.0.0;] Android 9 Y5 (2019)
Mozilla/5.0 (Linux; Android 5.1.1; SM-G600FY Build/LMY47X; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.74 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/4.1.0.0.0;] Android 5 Galaxy On7
Mozilla/5.0 (Linux; Android 13; SM-A035F Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.37 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/4.1.0.0.0;] Android 13 Galaxy A03
Mozilla/5.0 (Linux; Android 12; RMX3690 Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/105.0.5195.136 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/4.1.0.0.0;] Android 12 C30s
Mozilla/5.0 (Linux; Android 11; TECNO BD4a Build/RP1A.200720.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/110.0.5481.153 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/4.1.0.0.0;] Android 11 Pop 5 LTE
Mozilla/5.0 (Linux; Android 11; RMX3231 Build/RP1A.201005.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/110.0.5481.153 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/4.1.0.0.0;] Android 11 C11 (2021)
Mozilla/5.0 (Linux; Android 11; Infinix X688B Build/RP1A.200720.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.85 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/4.1.0.0.0;] Android 11 Hot 10 Play
Mozilla/5.0 (Linux; Android 10; V2026 Build/QP1A.190711.020; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.99 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/4.1.0.0.0;] Android 10 Y12s
Mozilla/5.0 (Linux; Android 10; SM-A107F Build/QP1A.190711.020; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/107.0.5304.105 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/4.1.0.0.0;] Android 10 Galaxy A10s
Mozilla/5.0 (Linux; Android 10; Infinix X680 Build/QP1A.190711.020; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.99 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/4.1.0.0.0;] Android 10 Smart 4
Mozilla/5.0 (iPod touch; U; CPU iPhone OS 5_1_1 like Mac OS X; en_US) AppleWebKit (KHTML, like Gecko) Mobile [FBAN/FBForIPhone;FBAV/4.1;FBBV/4100.0;FBDV/iPod3,1;FBMD/iPod touch;FBSN/iPhone OS;FBSV/5.1.1;FBSS/1; FBCR/;FBID/phone;FBLC/en_US;FBSF/1.0] iOS 5 iPod Touch 3
Mozilla/5.0 (iPod touch; U; CPU iPhone OS 5_1_1 like Mac OS X; en_US) AppleWebKit (KHTML, like Gecko) Mobile [FBAN/FBForIPhone;FBAV/4.1.1;FBBV/4110.0;FBDV/iPod4,1;FBMD/iPod touch;FBSN/iPhone OS;FBSV/5.1.1;FBSS/2; FBCR/;FBID/phone;FBLC/en_US;FBSF/2.0] iOS 5 iPod Touch 4
Mozilla/5.0 (iPod touch; U; CPU iPhone OS 5_1_1 like Mac OS X; en_US) AppleWebKit (KHTML, like Gecko) Mobile [FBAN/FBForIPhone;FBAV/4.1.1;FBBV/4110.0;FBDV/iPod3,1;FBMD/iPod touch;FBSN/iPhone OS;FBSV/5.1.1;FBSS/1; FBCR/;FBID/phone;FBLC/en_US;FBSF/1.0] iOS 5 iPod Touch 3
Mozilla/5.0 (iPod touch; U; CPU iPhone OS 5_0_1 like Mac OS X; en_US) AppleWebKit (KHTML, like Gecko) Mobile [FBAN/FBForIPhone;FBAV/4.1;FBBV/4100.0;FBDV/iPod3,1;FBMD/iPod touch;FBSN/iPhone OS;FBSV/5.0.1;FBSS/1; FBCR/;FBID/phone;FBLC/en_US;FBSF/1.0] iOS 5 iPod Touch 3
Mozilla/5.0 (iPod touch; U; CPU iPhone OS 4_3_5 like Mac OS X; en_US) AppleWebKit (KHTML, like Gecko) Mobile [FBAN/FBForIPhone;FBAV/4.1;FBBV/4100.0;FBDV/iPod3,1;FBMD/iPod touch;FBSN/iPhone OS;FBSV/4.3.5;FBSS/1; FBCR/;FBID/phone;FBLC/en_US;FBSF/1.0] iOS 4 iPod Touch 3
Mozilla/5.0 (iPod touch; U; CPU iPhone OS 4_3_5 like Mac OS X; en_US) AppleWebKit (KHTML, like Gecko) Mobile [FBAN/FBForIPhone;FBAV/4.1.1;FBBV/4110.0;FBDV/iPod4,1;FBMD/iPod touch;FBSN/iPhone OS;FBSV/4.3.5;FBSS/2; FBCR/;FBID/phone;FBLC/en_US;FBSF/2.0] iOS 4 iPod Touch 4
Mozilla/5.0 (iPod touch; U; CPU iPhone OS 4_3_5 like Mac OS X; en_US) AppleWebKit (KHTML, like Gecko) Mobile [FBAN/FBForIPhone;FBAV/4.0.3;FBBV/4030.0;FBDV/iPod4,1;FBMD/iPod touch;FBSN/iPhone OS;FBSV/4.3.5;FBSS/2; FBCR/;FBID/phone;FBLC/en_US;FBSF/2.0] iOS 4 iPod Touch 4
Mozilla/5.0 (iPod touch; U; CPU iPhone OS 4_3_5 like Mac OS X; en_US) AppleWebKit (KHTML, like Gecko) Mobile [FBAN/FBForIPhone;FBAV/4.0.2;FBBV/4020.0;FBDV/iPod4,1;FBMD/iPod touch;FBSN/iPhone OS;FBSV/4.3.5;FBSS/2; FBCR/;FBID/phone;FBLC/en_US;FBSF/2.0] iOS 4 iPod Touch 4
Mozilla/5.0 (iPod touch; U; CPU iPhone OS 4_3 like Mac OS X; en_US) AppleWebKit (KHTML, like Gecko) Mobile [FBAN/FBForIPhone;FBAV/4.1;FBBV/4100.0;FBDV/iPod3,1;FBMD/iPod touch;FBSN/iPhone OS;FBSV/4.3;FBSS/1; FBCR/;FBID/phone;FBLC/en_US;FBSF/1.0] iOS 4 iPod Touch 3