Latest Facebook Messenger 351 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; SM-J600FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.58 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/351.1.0.12.114;] Android 9 Galaxy J6
Mozilla/5.0 (Linux; Android 9; SM-G950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.58 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/351.1.0.12.114;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; Redmi 6 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.58 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/351.1.0.12.114;] Android 9 Redmi 6
Mozilla/5.0 (Linux; Android 9; POT-LX1A Build/HUAWEIPOT-L41B; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.58 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/351.1.0.12.114;] Android 9 P smart (2020)
Mozilla/5.0 (Linux; Android 9; MRD-LX1 Build/HUAWEIMRD-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.58 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/351.1.0.12.114;] Android 9 Y6 (2019)
Mozilla/5.0 (Linux; Android 9; moto e(6) plus Build/PTAS29.401-58-8; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.159 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/351.1.0.12.114;] Android 9 Moto E6 Plus
Mozilla/5.0 (Linux; Android 9; LYA-L09 Build/HUAWEILYA-L09; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.58 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/351.1.0.12.114;] Android 9 Mate 20 Pro
Mozilla/5.0 (Linux; Android 9; JAT-L41 Build/HUAWEIJAT-L41; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.58 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/351.1.0.12.114;] Android 9 Honor 8A Pro
Mozilla/5.0 (Linux; Android 9; G8141 Build/47.2.A.10.107; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.58 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/351.1.0.12.114;] Android 9 Xperia XZ Premium
Mozilla/5.0 (Linux; Android 9; CPH2083 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.58 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/351.1.0.12.114;] Android 9 A12
Mozilla/5.0 (Linux; Android 9; CPH2083 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/98.0.4758.101 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/351.1.0.12.114;] Android 9 A12
Mozilla/5.0 (Linux; Android 9; ASUS_X01BDA Build/PKQ1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.58 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/351.1.0.12.114;] Android 9 ZenFone Max Pro M2
Mozilla/5.0 (Linux; Android 9; ANE-LX1 Build/HUAWEIANE-L21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.58 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/351.1.0.12.114;] Android 9 P20 Lite
Mozilla/5.0 (Linux; Android 9; ANE-LX1 Build/HUAWEIANE-L01; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.58 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/351.1.0.12.114;] Android 9 P20 Lite
Mozilla/5.0 (Linux; Android 8.1.0; VOX Alpha Plus Build/OPM1.171019.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/89.0.4389.105 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/351.1.0.12.114;] Android 8 Vox Alpha Plus
Mozilla/5.0 (Linux; Android 8.1.0; Redmi 5 Plus Build/OPM1.171019.019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.58 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/351.1.0.12.114;] Android 8 Redmi 5 Plus
Mozilla/5.0 (Linux; Android 8.0.0; WAS-LX1A Build/HUAWEIWAS-LX1A; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.58 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/351.1.0.12.114;] Android 8 P10 Lite
Mozilla/5.0 (Linux; Android 8.0.0; SM-A520F Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/351.1.0.12.114;FB_FW/2;FBAN/FB4A] Android 8 Galaxy A5 (2017)
Mozilla/5.0 (Linux; Android 8.0.0; RNE-L21 Build/HUAWEIRNE-L21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.58 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/351.1.0.12.114;] Android 8 Mate 10 Lite
Mozilla/5.0 (Linux; Android 8.0.0; AGS2-L09 Build/HUAWEIAGS2-L09; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.58 Safari/537.36 [FB_IAB/Orca-Android;FBAV/351.1.0.12.114;] Android 8 MediaPad T5 10