Latest Facebook Messenger 310 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; SM-M205FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/310.0.0.20.117;] Android 9 Galaxy M20
Mozilla/5.0 (Linux; Android 9; SM-G950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/310.0.0.20.117;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; SM-A530F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/310.0.0.20.117;] Android 9 Galaxy A8
Mozilla/5.0 (Linux; Android 9; SM-A102U Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/310.0.0.20.117;] Android 9 Galaxy A10e
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/90.0.4430.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/310.0.0.20.117;] Android 9 Redmi Note 8 Pro
Mozilla/5.0 (Linux; Android 9; Redmi Note 5 Build/PKQ1.180904.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/310.0.0.20.117;] Android 9 Redmi Note 5
Mozilla/5.0 (Linux; Android 9; Redmi 8A Build/PKQ1.190319.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/310.0.0.20.117;] Android 9 Redmi 8A
Mozilla/5.0 (Linux; Android 9; POT-LX1 Build/HUAWEIPOT-L21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/310.0.0.20.117;] Android 9 P smart (2019)
Mozilla/5.0 (Linux; Android 9; moto g(6) play Build/PPPS29.55-35-18-7; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/310.0.0.20.117;] Android 9 Moto G6 Play
Mozilla/5.0 (Linux; Android 9; Mi A2 Lite Build/PKQ1.180917.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/310.0.0.20.117;] Android 9 Mi A2 Lite
Mozilla/5.0 (Linux; Android 9; JKM-LX3 Build/HUAWEIJKM-L23; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/310.0.0.20.117;] Android 9 Y9 (2019)
Mozilla/5.0 (Linux; Android 9; JKM-LX3 Build/HUAWEIJKM-L03; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/310.0.0.20.117;] Android 9 Y9 (2019)
Mozilla/5.0 (Linux; Android 9; Infinix X650B Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/310.0.0.20.117;] Android 9 Hot 8
Mozilla/5.0 (Linux; Android 9; INE-LX2 Build/HUAWEIINE-LX2; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/310.0.0.20.117;] Android 9 Nova 3i
Mozilla/5.0 (Linux; Android 9; CPH2015 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/310.0.0.20.117;] Android 9 A31
Mozilla/5.0 (Linux; Android 9; AMN-LX9 Build/HUAWEIAMN-LX9; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/310.0.0.20.117;] Android 9 Y5 (2019)
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/90.0.4430.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/310.0.0.20.117;] Android 8 Redmi 5 Plus
Mozilla/5.0 (Linux; Android 8.1.0; DUB-LX2 Build/HUAWEIDUB-LX2; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/310.0.0.20.117;] Android 8 Y7 Pro (2019)
Mozilla/5.0 (Linux; Android 8.1.0; DRA-L21 Build/HUAWEIDRA-L21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/310.0.0.20.117;] Android 8 Y5 (2018)
Mozilla/5.0 (Linux; Android 8.1.0; CPH1909 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/89.0.4389.105 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/310.0.0.20.117;] Android 8 A5S