Latest Facebook Lite 41 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 4.2.2; pt-pt; ALCATEL ONE TOUCH 7041X Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.2 Mobile Safari/534.30 SVN/090FPG1[FBAN/EMA;FBLC/pt_PT;FBAV/41.0.0.2.68;] Android 4 One Touch Pop C7
Mozilla/5.0 (Linux; U; Android 4.1.2; pt-pt; CINK FIVE Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30[FBAN/EMA;FBLC/pt_PT;FBAV/41.0.0.2.68;] Android 4 Cink FIVE
Mozilla/5.0 (Linux; Android 6.0; VFD 300 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.77 Mobile Safari/537.36[FBAN/EMA;FBLC/pt_PT;FBAV/41.0.0.2.68;] 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/50.0.2661.86 Mobile Safari/537.36[FBAN/EMA;FBLC/pt_PT;FBAV/41.0.0.2.68;] 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/pt_PT;FBAV/41.0.0.2.68;] Android 6 Smart Mini 7
Mozilla/5.0 (Linux; Android 6.0; SUNNY Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/46.0.2490.76 Mobile Safari/537.36[FBAN/EMA;FBLC/pt_BR;FBAV/41.0.0.2.68;] Android 6 Sunny
Mozilla/5.0 (Linux; Android 6.0; Lenovo K10a40 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/50.0.2661.86 Mobile Safari/537.36[FBAN/EMA;FBLC/uk_UA;FBAV/41.0.0.2.68;] Android 6 C2
Mozilla/5.0 (Linux; Android 6.0; Ilium X220 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36[FBAN/EMA;FBLC/es_LA;FBAV/41.0.0.2.68;] Android 6 Ilium X220
Mozilla/5.0 (Linux; Android 4.4.2; NOS NOVU Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36[FBAN/EMA;FBLC/pt_BR;FBAV/41.0.0.2.68;] Android 4 Novu
Mozilla/5.0 (Linux; Android 4.4.2; H30-T00 Build/HuaweiH30-T00) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36[FBAN/EMA;FBLC/en_US;FBAV/41.0.0.2.68;] Android 4 Honor 3C