Latest Facebook Lite 16 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 4.3; es-es; HUAWEI Y530 Build/HuaweiY530-U051) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30[FBAN/EMA;FBLC/es_ES;FBAV/16.0.0.5.143;] Android 4 Ascend Y530
Mozilla/5.0 (Linux; U; Android 4.1.2; es-la; GT-S6810L Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30[FBAN/EMA;FBLC/es_LA;FBAV/16.0.0.5.143;] Android 4 Galaxy FAME
Mozilla/5.0 (Linux; Android 7.0; Micromax_Q353 Build/NRD90M; 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/16.0.0.5.143;] Android 7 Q353