Latest Facebook Lite 186 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 7.0; Redmi Note 4 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.117 Mobile Safari/537.36[FBAN/EMA;FBLC/en_US;FBAV/186.0.0.11.119;] Android 7 Redmi Note 4
Mozilla/5.0 (Linux; Android 6.0; CUBOT_MANITO Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.117 Mobile Safari/537.36[FBAN/EMA;FBLC/ru_RU;FBAV/186.0.0.11.119;] Android 6 Manito