Latest Facebook Lite 58 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 4.2.2; pt-pt; Vodafone 785 Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.2 Mobile Safari/534.30 SVN/120HGG1[FBAN/EMA;FBLC/pt_PT;FBAV/58.0.0.8.140;] Android 4 Smart 4 Mini
Mozilla/5.0 (Linux; U; Android 4.2.2; pt-pt; SM-G350 Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30[FBAN/EMA;FBLC/pt_PT;FBAV/58.0.0.8.140;] Android 4 Galaxy Core Plus
Mozilla/5.0 (Linux; U; Android 4.2.2; en-us; vivo S7i(t) Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30[FBAN/EMA;FBLC/en_US;FBAV/58.0.0.8.140;] Android 4 S7i(t)
Mozilla/5.0 (Linux; Android 6.0; TECNO S1 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36[FBAN/EMA;FBLC/en_US;FBAV/58.0.0.8.140;] Android 6 S1
Mozilla/5.0 (Linux; Android 4.4.2; pt-PT; 4013X 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/58.0.0.8.140;] Android 4 One Touch Pixi 3 4"
Mozilla/5.0 (Linux; Android 4.4.2; Lenovo A319 Build/MocorDroid4.4.2) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36[FBAN/EMA;FBLC/ar_AR;FBAV/58.0.0.8.140;] MocorDroid 4 A319