Latest Facebook Messenger 260 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; vivo 1906 Build/PKQ1.190616.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.111 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/260.0.0.22.122;] Android 9 Y11
Mozilla/5.0 (Linux; Android 9; SM-N950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.117 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/260.0.0.22.122;] Android 9 Galaxy Note 8
Mozilla/5.0 (Linux; Android 9; SM-M307F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.111 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/260.0.0.22.122;] Android 9 Galaxy M30s
Mozilla/5.0 (Linux; Android 9; SM-J720F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML like Gecko) Version/4.0 Chrome/80.0.3987.162 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/260.0.0.22.122 Android 9 Galaxy J7 Duo
Mozilla/5.0 (Linux; Android 9; SM-J600G Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.111 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/260.0.0.22.122;] Android 9 Galaxy J6
Mozilla/5.0 (Linux; Android 9; SM-J600F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.149 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/260.0.0.22.122;] Android 9 Galaxy J6
Mozilla/5.0 (Linux; Android 9; SM-J330FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.111 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/260.0.0.22.122;] Android 9 Galaxy J3 (2017)
Mozilla/5.0 (Linux; Android 9; SM-J330FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.162 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/260.0.0.22.122;] Android 9 Galaxy J3 (2017)
Mozilla/5.0 (Linux; Android 9; SM-G970F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.162 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/260.0.0.22.122;] Android 9 Galaxy S10e
Mozilla/5.0 (Linux; Android 9; SM-G960F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.117 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/260.0.0.22.122;] Android 9 Galaxy S9
Mozilla/5.0 (Linux; Android 9; SM-G950U Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.117 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/260.0.0.22.122;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; SM-A505FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.111 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/260.0.0.22.122;] Android 9 Galaxy A50
Mozilla/5.0 (Linux; Android 9; SM-A505FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.162 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/260.0.0.22.122;] Android 9 Galaxy A50
Mozilla/5.0 (Linux; Android 9; SM-A307FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.111 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/260.0.0.22.122;] Android 9 Galaxy A30s
Mozilla/5.0 (Linux; Android 9; SM-A205U Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.111 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/260.0.0.22.122;] Android 9 Galaxy A20
Mozilla/5.0 (Linux; Android 9; Redmi Note 8T Build/PKQ1.190616.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.99 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/260.0.0.22.122;] Android 9 Redmi Note 8T
Mozilla/5.0 (Linux; Android 9; Redmi Note 8 Pro Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.117 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/260.0.0.22.122;] Android 9 Redmi Note 8 Pro
Mozilla/5.0 (Linux; Android 9; Redmi Note 8 Pro Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.111 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/260.0.0.22.122;] Android 9 Redmi Note 8 Pro
Mozilla/5.0 (Linux; Android 9; Redmi Note 8 Build/PKQ1.190616.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.162 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/260.0.0.22.122;] Android 9 Redmi Note 8
Mozilla/5.0 (Linux; Android 9; Redmi Note 7 Build/PKQ1.180904.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.111 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/260.0.0.22.122;] Android 9 Redmi Note 7