Latest Facebook Lite 208 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; RMX1827 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.117 Mobile Safari/537.36[FBAN/EMA;FBLC/hi_IN;FBAV/208.0.0.5.120;] Android 9 3i
Mozilla/5.0 (Linux; Android 9; Redmi Note 7 Build/PKQ1.180904.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36[FBAN/EMA;FBLC/tr_TR;FBAV/208.0.0.5.120;] Android 9 Redmi Note 7
Mozilla/5.0 (Linux; Android 9; Redmi Note 5 Build/PKQ1.180904.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36[FBAN/EMA;FBLC/ru_RU;FBAV/208.0.0.5.120;] Android 9 Redmi Note 5
Mozilla/5.0 (Linux; Android 9; Lenovo TB-X605L Build/PKQ1.190319.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36[FBAN/EMA;FBLC/ru_RU;FBAV/208.0.0.5.120;] Android 9 Tab M10 FHD
Mozilla/5.0 (Linux; Android 9; KSA-LX9 Build/HONORKSA-LX9; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36[FBAN/EMA;FBLC/it_IT;FBAV/208.0.0.5.120;] Android 9 Honor 8S
Mozilla/5.0 (Linux; Android 8.1.0; SM-J260G Build/M1AJB; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/70.0.3538.110 Mobile Safari/537.36[FBAN/EMA;FBLC/en_US;FBAV/208.0.0.5.120;] Android 8 Galaxy J2 Core
Mozilla/5.0 (Linux; Android 8.1.0; Redmi Y2 Build/OPM1.171019.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36[FBAN/EMA;FBLC/hi_IN;FBAV/208.0.0.5.120;] Android 8 Redmi Y2
Mozilla/5.0 (Linux; Android 8.1.0; QS5509A Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36[FBAN/EMA;FBLC/en_US;FBAV/208.0.0.5.120;] Android 8 Axia
Mozilla/5.0 (Linux; Android 8.1.0; DRA-L21 Build/HUAWEIDRA-L21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36[FBAN/EMA;FBLC/it_IT;FBAV/208.0.0.5.120;] Android 8 Y5 (2018)
Mozilla/5.0 (Linux; Android 7.1.1; SM-J510FN Build/NMF26X; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/67.0.3396.87 Mobile Safari/537.36[FBAN/EMA;FBLC/it_IT;FBAV/208.0.0.5.120;] Android 7 Galaxy J5 (2016)
Mozilla/5.0 (Linux; Android 7.1.1; Nokia 2 Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36[FBAN/EMA;FBLC/en_US;FBAV/208.0.0.5.120;] Android 7 2
Mozilla/5.0 (Linux; Android 7.0; Sunny2 Plus Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36[FBAN/EMA;FBLC/it_IT;FBAV/208.0.0.5.120;] Android 7 Sunny 2 Plus
Mozilla/5.0 (Linux; Android 7.0; Moto C Plus Build/NRD90M.06.046; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/75.0.3770.143 Mobile Safari/537.36[FBAN/EMA;FBLC/pt_BR;FBAV/208.0.0.5.120;] Android 7 Moto C Plus
Mozilla/5.0 (Linux; Android 6.0; LG-K430 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36[FBAN/EMA;FBLC/es_LA;FBAV/208.0.0.5.120;] Android 6 K10
Mozilla/5.0 (Linux; Android 6.0; HTC One_M8 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/46.0.2490.76 Mobile Safari/537.36[FBAN/EMA;FBLC/en_US;FBAV/208.0.0.5.120;] Android 6 One M8
Mozilla/5.0 (Linux; Android 6.0.1; SM-A300FU Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36[FBAN/EMA;FBLC/mk_MK;FBAV/208.0.0.5.120;] Android 6 Galaxy A3 (2015)
Mozilla/5.0 (Linux; Android 6.0.1; LG-K100 Build/MXB48T; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/78.0.3904.108 Mobile Safari/537.36[FBAN/EMA;FBLC/it_IT;FBAV/208.0.0.5.120;] Android 6 K3
Mozilla/5.0 (Linux; Android 5.1.1; SM-J320FN Build/LMY47V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36[FBAN/EMA;FBLC/it_IT;FBAV/208.0.0.5.120;] Android 5 Galaxy J3 (2016)
Mozilla/5.0 (Linux; Android 5.1.1; SM-G5500 Build/LMY47X; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.74 Mobile Safari/537.36[FBAN/EMA;FBLC/en_US;FBAV/208.0.0.5.120;] Android 5 Galaxy On5
Mozilla/5.0 (Linux; Android 5.0.2; Redmi Note 3 Build/LRX22G; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36[FBAN/EMA;FBLC/ru_RU;FBAV/208.0.0.5.120;] Android 5 Redmi Note 3