Latest Facebook 103 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 4.3; en-us; MT2L03 Build/HuaweiMT2L03LITE) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/103.0.0.20.72;] Android 4 Ascend Mate 2
Mozilla/5.0 (Linux; U; Android 4.2.2; pt-pt; GT-S7580 Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/103.0.0.20.72;] Android 4 Galaxy Trend Plus
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 [FB_IAB/FB4A;FBAV/103.0.0.20.72;] Android 4 One Touch Pop C7
Mozilla/5.0 (Linux; U; Android 4.1.2; en-us; ZTE-Z740G Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/103.0.0.20.72;] Android 4 Z740G
Mozilla/5.0 (Linux; U; Android 4.1.2; en-us; ZTE-Z740 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/103.0.0.20.72;] Android 4 Z740
Mozilla/5.0 (Linux; U; Android 4.1.2; en-us; LG-D520 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/103.0.0.20.72;] Android 4 D520
Mozilla/5.0 (Linux; U; Android 4.0.4; en-us; LG-P930 Build/IMM76D) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/103.0.0.20.72;] Android 4 P930
Mozilla/5.0 (Linux; U; Android 4.0.4; en-us; HUAWEI-M931 Build/HuaweiM931) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/103.0.0.20.72;] Android 4 M931
Mozilla/5.0 (Linux; U; Android 4.0.3; en-us; LG-L40G Build/IML74K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/103.0.0.20.72;] Android 4 L40G
Mozilla/5.0 (Linux; U; Android 4.0.3; en-us; HTC_Amaze_4G Build/IML74K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/103.0.0.20.72;] Android 4 Amaze 4G
Mozilla/5.0 (Linux; Android 7.0; TECNO Camon CX Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/103.0.0.18.72;] Android 7 Camon CX
Mozilla/5.0 (Linux; Android 7.0; FRD-AL00 Build/HUAWEIFRD-AL00; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/103.0.0.20.72;] Android 7 Honor 8
Mozilla/5.0 (Linux; Android 7.0; EVA-L09 Build/HUAWEIEMUI-EVA-L09; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/54.0.2840.85 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/103.0.0.8.72;] Android 7 P9
Mozilla/5.0 (Linux; Android 6.0; Lenovo A7020a48 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.81 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/103.0.0.20.72;] Android 6 K5 Note
Mozilla/5.0 (Linux; Android 6.0; itel A41 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/103.0.0.18.72;] Android 6 A41
Mozilla/5.0 (Linux; Android 6.0.1; SM-N930R4 Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/54.0.2840.85 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/103.0.0.20.72;] Android 6 Galaxy Note 7
Mozilla/5.0 (Linux; Android 6.0.1; SM-J500F Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/54.0.2840.85 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/103.0.0.20.72;] Android 6 Galaxy J5 (2015)
Mozilla/5.0 (Linux; Android 6.0.1; LG-V521 Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.74 Safari/537.36 [FB_IAB/FB4A;FBAV/103.0.0.20.72;] Android 6 G Pad X 8.0"
Mozilla/5.0 (Linux; Android 5.1; VF-696 Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.81 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/103.0.0.20.72;] Android 5 Smart Grand 6
Mozilla/5.0 (Linux; Android 5.1; LENNY2 Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/54.0.2840.85 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/103.0.0.20.72;] Android 5 Lenny 2