Latest Facebook 221 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; VOG-L29 Build/HUAWEIVOG-L29; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.73 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/221.0.0.48.102;] Android 9 P30 Pro
Mozilla/5.0 (Linux; Android 9; SM-N950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.157 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/221.0.0.48.102;] Android 9 Galaxy Note 8
Mozilla/5.0 (Linux; Android 9; SM-J701F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/72.0.3626.121 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/221.0.0.48.102;] Android 9 Galaxy J7 Core
Mozilla/5.0 (Linux; Android 9; SM-J600GF Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.157 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/221.0.0.48.102;] Android 9 Galaxy J6
Mozilla/5.0 (Linux; Android 9; SM-G950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.157 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/221.0.0.48.102;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; SM-A205FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/89.0.4389.105 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/221.0.0.48.102;] Android 9 Galaxy A20
Mozilla/5.0 (Linux; Android 9; SM-A205FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.157 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/221.0.0.48.102;] Android 9 Galaxy A20
Mozilla/5.0 (Linux; Android 9; moto g(7) power Build/PPOS29.114-134-13; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/87.0.4280.101 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/221.0.0.48.102;] Android 9 Moto G7 Power
Mozilla/5.0 (Linux; Android 9; moto g(6) play Build/PPPS29.55-25-2; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.157 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/221.0.0.48.102;] Android 9 Moto G6 Play
Mozilla/5.0 (Linux; Android 9; LYA-L29 Build/HUAWEILYA-L29; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/78.0.3904.108 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/221.0.0.48.102;] Android 9 Mate 20 Pro
Mozilla/5.0 (Linux; Android 9; HRY-LX1 Build/HONORHRY-L21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.157 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/221.0.0.48.102;] Android 9 Honor 10 Lite
Mozilla/5.0 (Linux; Android 9; EML-L29 Build/HUAWEIEML-L2901; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.136 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/221.0.0.48.102;] Android 9 P20
Mozilla/5.0 (Linux; Android 8.1.0; SM-J260F Build/M1AJB; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.126 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/221.0.0.48.102;] Android 8 Galaxy J2 Core
Mozilla/5.0 (Linux; Android 8.1.0; SM-G610F Build/M1AJQ; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/221.0.0.48.102;] Android 8 Galaxy J7 Prime
Mozilla/5.0 (Linux; Android 8.1.0; Redmi 5A Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/77.0.3865.92 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/221.0.0.48.102;] Android 8 Redmi 5A
Mozilla/5.0 (Linux; Android 8.1.0; Pixel C Build/OPM8.190505.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.157 Safari/537.36 [FB_IAB/FB4A;FBAV/221.0.0.48.102;] Android 8 Pixel C
Mozilla/5.0 (Linux; Android 8.1.0; Nexus 6P Build/OPM7.181205.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.157 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/221.0.0.48.102;] Android 8 Nexus 6P
Mozilla/5.0 (Linux; Android 8.1.0; DRA-LX2 Build/HUAWEIDRA-LX2; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.157 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/221.0.0.48.102;] Android 8 Y5 Prime (2018)
Mozilla/5.0 (Linux; Android 8.1.0; DRA-L21 Build/HUAWEIDRA-L21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.157 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/221.0.0.48.102;] Android 8 Y5 (2018)
Mozilla/5.0 (Linux; Android 8.0.0; SM-J337AZ Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/70.0.3538.110 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/221.0.0.48.102;] Android 8 Galaxy Amp Prime 3 (2018)