Latest Facebook Lite 199 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; TA-1032 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36[FBAN/EMA;FBLC/en_US;FBAV/199.0.0.10.108;] Android 9 3
Mozilla/5.0 (Linux; Android 9; SM-G950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36[FBAN/EMA;FBLC/bg_BG;FBAV/199.0.0.10.108;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; 5024D_EEA Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36[FBAN/EMA;FBLC/bg_BG;FBAV/199.0.0.10.108;] Android 9 1S
Mozilla/5.0 (Linux; Android 8.1.0; Sunny3 Build/OPM2.171019.012; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36[FBAN/EMA;FBLC/fr_FR;FBAV/199.0.0.10.108;] Android 8 Sunny 3
Mozilla/5.0 (Linux; Android 8.1.0; SM-G610M Build/M1AJQ; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36[FBAN/EMA;FBLC/pt_BR;FBAV/199.0.0.10.108;] Android 8 Galaxy J7 Prime
Mozilla/5.0 (Linux; Android 5.1; HUAWEI LUA-U22 Build/HUAWEILUA-U22; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36[FBAN/EMA;FBLC/ar_AR;FBAV/199.0.0.10.108;] Android 5 Y3II
Mozilla/5.0 (Linux; Android 10; A3S Build/QP1A.190711.020; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36[FBAN/EMA;FBLC/ar_AR;FBAV/199.0.0.10.108;] Android 10 A3S