Latest Facebook Lite 48 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 4.2.2; pt-pt; GT-I9060 Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30[FBAN/EMA;FBLC/pt_PT;FBAV/48.0.0.3.68;] Android 4 Galaxy Grand Neo
Mozilla/5.0 (Linux; Android 7.0; M5 Note Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2074.203 Mobile Safari/537.36[FBAN/EMA;FBLC/uk_UA;FBAV/48.0.0.3.68;] Android 7 M5 Note
Mozilla/5.0 (Linux; Android 7.0; M5 Note Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2074.203 Mobile Safari/537.36[FBAN/EMA;FBLC/ru_RU;FBAV/48.0.0.3.68;] Android 7 M5 Note
Mozilla/5.0 (Linux; Android 6.0; MEIZU_M5 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.2403.128 Mobile Safari/537.36 [FBAN/EMA;FBLC/uk_UA;FBAV/48.0.0.3.68;] Android 6 M5
Mozilla/5.0 (Linux; Android 6.0; MEIZU_M5 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.128 Mobile Safari/537.36[FBAN/EMA;FBLC/uk_UA;FBAV/48.0.0.3.68;] Android 6 M5
Mozilla/5.0 (Linux; Android 6.0; M5s Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.147 Mobile Safari/537.36[FBAN/EMA;FBLC/ru_RU;FBAV/48.0.0.3.68;] Android 6 M5S
Mozilla/5.0 (Linux; Android 6.0; M5s Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.131 Mobile Safari/537.36[FBAN/EMA;FBLC/ru_RU;FBAV/48.0.0.3.68;] Android 6 M5S
Mozilla/5.0 (Linux; Android 6.0; M5c Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.146 Mobile Safari/537.36[FBAN/EMA;FBLC/uk_UA;FBAV/48.0.0.3.68;] Android 6 M5c
Mozilla/5.0 (Linux; Android 5.1; m2 Build/LMY47D) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/40.0.2214.124 Mobile Safari/537.36[FBAN/EMA;FBLC/uk_UA;FBAV/48.0.0.3.68;] Android 5 M2
Mozilla/5.0 (Linux; Android 5.1.1; SM-J120H Build/LMY47V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36[FBAN/EMA;FBLC/uk_UA;FBAV/48.0.0.3.68;] Android 5 Galaxy J1 (2016)