Latest Facebook 212 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; MRD-LX1 Build/HUAWEIMRD-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.93 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/212.0.0.28.110;] Android 9 Y6 (2019)
Mozilla/5.0 (Linux; Android 9; EML-L29 Build/HUAWEIEML-L29; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.117 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/212.0.0.28.110;] Android 9 P20
Mozilla/5.0 (Linux; Android 8.1.0; SNE-LX1 Build/HUAWEISNE-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/72.0.3626.121 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/212.0.0.28.110;] Android 8 Mate 20 Lite
Mozilla/5.0 (Linux; Android 8.1.0; SM-J701F Build/M1AJQ; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/73.0.3683.75 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/212.0.0.28.110;] Android 8 Galaxy J7 Core
Mozilla/5.0 (Linux; Android 8.1.0; JKM-LX1 Build/HUAWEIJKM-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/72.0.3626.105 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/212.0.0.28.110;] Android 8 Y9 (2019)
Mozilla/5.0 (Linux; Android 8.1.0; INE-LX1 Build/HUAWEIINE-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/72.0.3626.121 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/212.0.0.28.110;] Android 8 Nova 3i
Mozilla/5.0 (Linux; Android 8.0.0; SM-J337P Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/72.0.3626.121 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/212.0.0.28.110;] Android 8 Galaxy J3 (2018)
Mozilla/5.0 (Linux; Android 8.0.0; SM-G930T Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.83 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/212.0.0.28.110;] Android 8 Galaxy S7
Mozilla/5.0 (Linux; Android 8.0.0; SM-A750FN Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/73.0.3683.75 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/212.0.0.28.110;] Android 8 Galaxy A7 (2018)
Mozilla/5.0 (Linux; Android 8.0.0; RNE-L21 Build/HUAWEIRNE-L21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/212.0.0.28.110;] Android 8 Mate 10 Lite
Mozilla/5.0 (Linux; Android 7.1.2; vivo 1718 Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/73.0.3683.90 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/212.0.0.28.110;] Android 7 V7
Mozilla/5.0 (Linux; Android 7.1.2; Redmi 4X Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/212.0.0.28.110;] Android 7 Redmi 4X
Mozilla/5.0 (Linux; Android 7.1.1; Samsung Chromebook 3 Build/R72-11316.165.0; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/72.0.3626.121 Safari/537.36 [FB_IAB/FB4A;FBAV/212.0.0.28.110;] Chrome OS 11316 Chromebook 3
Mozilla/5.0 (Linux; Android 7.0; vivo 1714 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/73.0.3683.75 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/212.0.0.28.110;] Android 7 Y69
Mozilla/5.0 (Linux; Android 7.0; SM-G920V Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/212.0.0.28.110;] Android 7 Galaxy S6
Mozilla/5.0 (Linux; Android 7.0; Redmi Note 4 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/72.0.3626.105 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/212.0.0.28.110;] Android 7 Redmi Note 4
Mozilla/5.0 (Linux; Android 7.0; HUAWEI VNS-L21 Build/HUAWEIVNS-L21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/73.0.3683.90 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/212.0.0.28.110;] Android 7 P9 Lite
Mozilla/5.0 (Linux; Android 6.0; HTC_X9u Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/72.0.3626.121 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/212.0.0.28.110;] Android 6 X9u
Mozilla/5.0 (Linux; Android 6.0.1; SAMSUNG-SM-G891A Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/48.0.2564.106 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/212.0.0.28.110;] Android 6 Galaxy S7 Active
Mozilla/5.0 (Linux; Android 6.0.1; Redmi 3S Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/212.0.0.28.110;] Android 6 Redmi 3S