Latest Facebook Lite 251 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; ZTE 2050 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36[FBAN/EMA;FBLC/ru_RU;FBAV/251.0.0.4.119;] Android 9 Blade 20 Smart
Mozilla/5.0 (Linux; Android 9; W-K510-EEA Build/PPR1.181008.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/87.0.4280.141 Mobile Safari/537.36[FBAN/EMA;FBLC/it_IT;FBAV/251.0.0.4.119;] Android 9 Y60
Mozilla/5.0 (Linux; Android 9; VTR-L29 Build/HUAWEIVTR-L29; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36[FBAN/EMA;FBLC/lv_LV;FBAV/251.0.0.4.119;] Android 9 P10
Mozilla/5.0 (Linux; Android 9; SM-G950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/100.0.4896.88 Mobile Safari/537.36[FBAN/EMA;FBLC/fr_FR;FBAV/251.0.0.4.119;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; Redmi Note 8 Build/PKQ1.190616.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36[FBAN/EMA;FBLC/ru_RU;FBAV/251.0.0.4.119;] Android 9 Redmi Note 8
Mozilla/5.0 (Linux; Android 9; Redmi 6A Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36[FBAN/EMA;FBLC/en_US;FBAV/251.0.0.4.119;] Android 9 Redmi 6A
Mozilla/5.0 (Linux; Android 9; POT-LX1A Build/HUAWEIPOT-L41B; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36[FBAN/EMA;FBLC/it_IT;FBAV/251.0.0.4.119;] Android 9 P smart (2020)
Mozilla/5.0 (Linux; Android 9; MRD-LX1 Build/HUAWEIMRD-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/78.0.3904.108 Mobile Safari/537.36[FBAN/EMA;FBLC/bg_BG;FBAV/251.0.0.4.119;] Android 9 Y6 (2019)
Mozilla/5.0 (Linux; Android 9; Moto Z3 Play Build/PPWS29.131-27-1-27; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/93.0.4577.82 Mobile Safari/537.36[FBAN/EMA;FBLC/pt_BR;FBAV/251.0.0.4.119;] Android 9 Moto Z3 Play
Mozilla/5.0 (Linux; Android 9; Moto Z3 Play Build/PPWS29.131-27-1-27; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.166 Mobile Safari/537.36[FBAN/EMA;FBLC/pt_BR;FBAV/251.0.0.4.119;] Android 9 Moto Z3 Play
Mozilla/5.0 (Linux; Android 9; Moto Z3 Play Build/PPWS29.131-27-1-27; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.159 Mobile Safari/537.36[FBAN/EMA;FBLC/pt_BR;FBAV/251.0.0.4.119;] Android 9 Moto Z3 Play
Mozilla/5.0 (Linux; Android 9; moto g(6) play Build/PPPS29.55-35-12-5; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.82 Mobile Safari/537.36[FBAN/EMA;FBLC/pt_BR;FBAV/251.0.0.4.119;] Android 9 Moto G6 Play
Mozilla/5.0 (Linux; Android 9; moto e6 play Build/POAS29.550-132-5; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36[FBAN/EMA;FBLC/es_LA;FBAV/251.0.0.4.119;] Android 9 Moto E6 Play
Mozilla/5.0 (Linux; Android 9; moto e(6) plus Build/PTBS29.401-58-7; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.45 Mobile Safari/537.36[FBAN/EMA;FBLC/pt_BR;FBAV/251.0.0.4.119;] Android 9 Moto E6 Plus
Mozilla/5.0 (Linux; Android 9; INE-LX1 Build/HUAWEIINE-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36[FBAN/EMA;FBLC/uk_UA;FBAV/251.0.0.4.119;] Android 9 Nova 3i
Mozilla/5.0 (Linux; Android 9; FIG-LX1 Build/HUAWEIFIG-L11; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36[FBAN/EMA;FBLC/it_IT;FBAV/251.0.0.4.119;] Android 9 P smart
Mozilla/5.0 (Linux; Android 9; CPH2083 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36[FBAN/EMA;FBLC/ru_RU;FBAV/251.0.0.4.119;] Android 9 A12
Mozilla/5.0 (Linux; Android 9; BUZZ 2 Plus Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.136 Mobile Safari/537.36[FBAN/EMA;FBLC/fr_FR;FBAV/251.0.0.4.119;] Android 9 Buzz 2 Plus
Mozilla/5.0 (Linux; Android 9; BUZZ 2 Lite Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36[FBAN/EMA;FBLC/fr_FR;FBAV/251.0.0.4.119;] Android 9 Buzz 2 Lite
Mozilla/5.0 (Linux; Android 8.1.0; Vivo XI Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36[FBAN/EMA;FBLC/en_US;FBAV/251.0.0.4.119;] Android 8 Vivo XI