Latest Facebook Messenger 353 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; V1930A Build/PKQ1.190616.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/353.0.0.12.116;] Android 9 Y3 Standard
Mozilla/5.0 (Linux; Android 9; SM-N950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.73 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/353.0.0.12.116;] Android 9 Galaxy Note 8
Mozilla/5.0 (Linux; Android 9; SM-A405FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.88 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/353.0.0.12.116;] Android 9 Galaxy A40
Mozilla/5.0 (Linux; Android 9; SM-A102U Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.88 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/353.0.0.12.116;] Android 9 Galaxy A10e
Mozilla/5.0 (Linux; Android 9; SM-A102U Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.73 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/353.0.0.12.116;] Android 9 Galaxy A10e
Mozilla/5.0 (Linux; Android 9; Redmi 7A Build/PKQ1.190319.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.99 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/353.0.0.12.116;] Android 9 Redmi 7A
Mozilla/5.0 (Linux; Android 9; P609 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.104 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/353.0.0.12.116;] Android 9 Optus X Wave
Mozilla/5.0 (Linux; Android 9; KFMAWI Build/PS7322; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/98.0.4758.101 Safari/537.36 [FB_IAB/Orca-Android;FBAV/353.0.0.12.116;] Fire OS 7 Fire HD 10 (2019)
Mozilla/5.0 (Linux; Android 9; INE-LX2r Build/HUAWEIINE-LX2r; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.73 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/353.0.0.12.116;] Android 9 Nova 3i
Mozilla/5.0 (Linux; Android 9; CPH2071 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.116 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/353.0.0.12.116;] Android 9 A11k
Mozilla/5.0 (Linux; Android 8.1.0; SM-J710MN Build/M1AJQ; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.73 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/353.0.0.12.116;] Android 8 Galaxy J7
Mozilla/5.0 (Linux; Android 8.1.0; SM-J530F Build/M1AJQ; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.88 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/353.0.0.12.116;] Android 8 Galaxy J5 (2017)
Mozilla/5.0 (Linux; Android 8.1.0; Lenovo TB-8704X Build/OPM1.171019.019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.88 Safari/537.36 [FB_IAB/Orca-Android;FBAV/353.0.0.12.116;] Android 8 TAB4 8 Plus
Mozilla/5.0 (Linux; Android 7.1.2; Redmi 4A Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.88 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/353.0.0.12.116;] Android 7 Redmi 4A
Mozilla/5.0 (Linux; Android 7.1.2; Redmi 4A Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.58 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/353.0.0.12.116;] Android 7 Redmi 4A
Mozilla/5.0 (Linux; Android 7.1.1; E6533 Build/32.4.A.1.54; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.88 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/353.0.0.12.116;] Android 7 Xperia Z3+
Mozilla/5.0 (Linux; Android 7.1.1; CPH1729 Build/N6F26Q; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.88 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/353.0.0.12.116;] Android 7 A83
Mozilla/5.0 (Linux; Android 12; SM-T870 Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.73 Safari/537.36 [FB_IAB/Orca-Android;FBAV/353.0.0.12.116;] Android 12 Galaxy Tab S7 11.0" WiFi
Mozilla/5.0 (Linux; Android 12; SM-M127G Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.104 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/353.0.0.12.116;] Android 12 Galaxy M12
Mozilla/5.0 (Linux; Android 12; SM-G998B Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.73 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/353.0.0.12.116;] Android 12 Galaxy S21 Ultra 5G