Latest Facebook Lite 40 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/40.0.0.5.68;] Android 4 Smart 4 Mini
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/070FPG1[FBAN/EMA;FBLC/pt_PT;FBAV/40.0.0.5.68;] Android 4 One Touch Pop C7
Mozilla/5.0 (Linux; U; Android 4.2.2; es-la; SAMSUNG Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Safari/534.30[FBAN/EMA;FBLC/es_LA;FBAV/40.0.0.5.68;] Android 4 Unknown
Mozilla/5.0 (Linux; U; Android 4.2.2; es-la; ALCATEL ONE TOUCH 5036A Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.2 Mobile Safari/534.30[FBAN/EMA;FBLC/es_LA;FBAV/40.0.0.5.68;] Android 4 One Touch 5036A
Mozilla/5.0 (Linux; U; Android 4.1.2; pt-pt; MediaPad 7 Vogue Build/HuaweiMediaPad) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Safari/534.30[FBAN/EMA;FBLC/pt_PT;FBAV/40.0.0.5.68;] Android 4 MediaPad 7 Vogue
Mozilla/5.0 (Linux; Android 8.1.0; Plume L2 Pro Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36[FBAN/EMA;FBLC/ar_AR;FBAV/40.0.0.5.68;] Android 8 Plume L2 Pro
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/40.0.0.5.68;] Android 6 Smart Mini 7
Mozilla/5.0 (Linux; Android 6.0.1; SM-J500M Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36[FBAN/EMA;FBLC/pt_BR;FBAV/40.0.0.5.68;] Android 6 Galaxy J5 (2015)
Mozilla/5.0 (Linux; Android 5.1; NOS NOVU II Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/46.0.2490.76 Mobile Safari/537.36[FBAN/EMA;FBLC/pt_PT;FBAV/40.0.0.5.68;] Android 5 Novu II
Mozilla/5.0 (Linux; Android 4.4.4; SM-G318H Build/KTU84P) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/33.0.0.0 Mobile Safari/537.36[FBAN/EMA;FBLC/pt_PT;FBAV/40.0.0.5.68;] Android 4 Galaxy Ace 4 Neo