Latest Facebook Lite 38 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 4.2.2; pt-pt; ALCATEL ONE TOUCH 7041D Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.2 Mobile Safari/534.30[FBAN/EMA;FBLC/pt_PT;FBAV/38.0.0.3.70;] Android 4 One Touch Pop C7 Dual SIM
Mozilla/5.0 (Linux; Android 6.0; VFD 300 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/57.0.2987.132 Mobile Safari/537.36[FBAN/EMA;FBLC/pt_PT;FBAV/38.0.0.3.70;] Android 6 Smart Mini 7
Mozilla/5.0 (Linux; Android 6.0; VFD 300 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/49.0.2623.105 Mobile Safari/537.36[FBAN/EMA;FBLC/es_LA;FBAV/38.0.0.3.70;] Android 6 Smart Mini 7
Mozilla/5.0 (Linux; Android 6.0.1; SM-J500H Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/57.0.2987.132 Mobile Safari/537.36[FBAN/EMA;FBLC/ru_RU;FBAV/38.0.0.3.70;] Android 6 Galaxy J5 (2015)
Mozilla/5.0 (Linux; Android 5.1; VF-795 Build/LMY47D; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/60.0.3112.107 Mobile Safari/537.36[FBAN/EMA;FBLC/pt_PT;FBAV/38.0.0.3.70;] Android 5 Smart Speed 6
Mozilla/5.0 (Linux; Android 4.4.2; STARSHINE_5 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36[FBAN/EMA;FBLC/pt_PT;FBAV/38.0.0.3.70;] Android 4 STARSHINE 5
Mozilla/5.0 (Linux; Android 4.4.2; SM-G355H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36[FBAN/EMA;FBLC/ru_RU;FBAV/38.0.0.3.70;] Android 4 Galaxy Core 2