Latest Facebook 97 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 4.3; en-us; ZTE-Z669 Build/JLS36C) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/97.0.0.18.69;] Android 4 Z669
Mozilla/5.0 (Linux; U; Android 4.2.2; es-us; GT-I8580 Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/97.0.0.18.69;] Android 4 Galaxy Core Advance
Mozilla/5.0 (Linux; U; Android 4.2.2; en-in; Micromax A114 Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/97.0.0.18.69;] Android 4 A114
Mozilla/5.0 (Linux; U; Android 4.1.2; es-mx; LG-E425g Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/97.0.0.18.69;] Android 4 E425g
Mozilla/5.0 (Linux; U; Android 4.1.2; en-us; LG-AS780 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/97.0.0.18.69;] Android 4 AS780
Mozilla/5.0 (Linux; U; Android 4.0.4; en-us; LG-LS840 Build/ZVK.IMM76D) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/97.0.0.18.69;] Android 4 Viper 4G LTE
Mozilla/5.0 (Linux; U; Android 4.0.4; en-us; LG-AS730 Build/IMM76L) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/97.0.0.18.69;] Android 4 AS730
Mozilla/5.0 (Linux; U; Android 4.0.3; en-ca; HTC-Z710a Build/IML74K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/97.0.0.18.69;] Android 4 Z710a
Mozilla/5.0 (Linux; Android 7.0; PRA-LA1 Build/HUAWEIPRA-LA1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/65.0.3325.109 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/97.0.0.18.69;] Android 7 P8 Lite (2017)
Mozilla/5.0 (Linux; Android 6.0.1; SM-N930R7 Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.124 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/97.0.0.18.69;] Android 6 Galaxy Note 7
Mozilla/5.0 (Linux; Android 6.0.1; SM-N930R4 Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.124 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/97.0.0.18.69;] Android 6 Galaxy Note 7
Mozilla/5.0 (Linux; Android 6.0.1; SM-N930R4 Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/49.0.2623.105 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/97.0.0.18.69;] Android 6 Galaxy Note 7
Mozilla/5.0 (Linux; Android 6.0.1; SM-N930K Build/MMB29K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.124 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/97.0.0.18.69;] Android 6 Galaxy Note 7
Mozilla/5.0 (Linux; Android 6.0.1; LG-H848 Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/50.0.2661.86 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/97.0.0.18.69;] Android 6 H848
Mozilla/5.0 (Linux; Android 5.1; VF-696 Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.124 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/97.0.0.18.69;] Android 5 Smart Grand 6
Mozilla/5.0 (Linux; Android 5.1; HTC Desire 526 Build/LMY47O; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/47.0.2526.100 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/97.0.0.18.69;] Android 5 Desire 526
Mozilla/5.0 (Linux; Android 5.1.1; SAMSUNG-SM-T337A Build/LMY47X; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Safari/537.36 [FB_IAB/FB4A;FBAV/97.0.0.18.69;] Android 5 Galaxy Tab 4 8.0" LTE
Mozilla/5.0 (Linux; Android 5.0.2; SM-G530FZ Build/LRX22G; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.73 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/97.0.0.18.69;] Android 5 Galaxy Grand Prime
Mozilla/5.0 (Linux; Android 5.0.2; MEO Smart A80 Build/LRX22G; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.124 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/97.0.0.18.69;] Android 5 MEO Smart A80
Mozilla/5.0 (Linux; Android 5.0.2; HTC_E9x Build/LRX22G; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.124 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/97.0.0.18.69;] Android 5 One E9