Latest Facebook Lite 12 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 4.1.2; es-la; LG-P714 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30[FBAN/EMA;FBLC/es_LA;FBAV/12.0.0.7.140;] Android 4 Optimus L7 II
Mozilla/5.0 (Linux; U; Android 4.1.2; es-es; LG-E410g Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30[FBAN/EMA;FBLC/es_ES;FBAV/12.0.0.7.140;] Android 4 Optimus L1 II
Mozilla/5.0 (Linux; Android 4.4.2; GT-I9192 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36[FBAN/EMA;FBLC/es_ES;FBAV/12.0.0.7.140;] Android 4 Galaxy S4 mini