Latest Facebook Lite 34 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 4.2.2; pt-pt; GT-I9082 Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30[FBAN/EMA;FBLC/pt_PT;FBAV/34.0.0.13.68;] Android 4 Galaxy Grand Duos
Mozilla/5.0 (Linux; Android 7.0; PRA-LA1 Build/HUAWEIPRA-LA1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/87.0.4280.101 Mobile Safari/537.36[FBAN/EMA;FBLC/uk_UA;FBAV/34.0.0.13.68;] Android 7 P8 Lite (2017)
Mozilla/5.0 (Linux; Android 6.0; VFD 300 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/56.0.2924.87 Mobile Safari/537.36[FBAN/EMA;FBLC/pt_PT;FBAV/34.0.0.13.68;] Android 6 Smart Mini 7
Mozilla/5.0 (Linux; Android 10; Hisense U40 Build/QP1A.190711.020; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/108.0.5359.128 Mobile Safari/537.36[FBAN/EMA;FBLC/en_US;FBAV/34.0.0.13.68;] Android 10 U40