Latest Facebook Messenger 324 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 4.2.2; en-gb; GT-I8200N Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/Orca-Android;FBAV/324.0.0.15.119;] Android 4 Galaxy S III mini Value Edition
Mozilla/5.0 (Linux; U; Android 4.1.2; lv-lv; GT-I8190 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/Orca-Android;FBAV/324.0.0.15.119;] Android 4 Galaxy S III mini
Mozilla/5.0 (Linux; Android 9; VTR-L29 Build/HUAWEIVTR-L29; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.159 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/324.0.0.15.119;] Android 9 P10
Mozilla/5.0 (Linux; Android 9; SM-J530F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/324.0.0.15.119;] Android 9 Galaxy J5 (2017)
Mozilla/5.0 (Linux; Android 9; SM-G950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/324.0.0.15.119;] 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/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/324.0.0.15.119;] Android 9 Galaxy A8
Mozilla/5.0 (Linux; Android 9; SM-A307FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/324.0.0.15.119;] Android 9 Galaxy A30s
Mozilla/5.0 (Linux; Android 9; Redmi Note 6 Pro Build/PKQ1.180904.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/324.0.0.15.119;] Android 9 Redmi Note 6 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/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/324.0.0.15.119;] 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/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/324.0.0.15.119;] Android 9 Redmi 8A
Mozilla/5.0 (Linux; Android 9; Redmi 6A Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/324.0.0.15.119;] Android 9 Redmi 6A
Mozilla/5.0 (Linux; Android 9; MRD-LX1 Build/HUAWEIMRD-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/324.0.0.15.119;] Android 9 Y6 (2019)
Mozilla/5.0 (Linux; Android 9; Mi Note 10 Build/PKQ1.190302.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.115 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/324.0.0.15.119;] Android 9 Mi Note 10
Mozilla/5.0 (Linux; Android 9; MAR-LX1A Build/HUAWEIMAR-L21A; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/324.0.0.15.119;] Android 9 P30 Lite
Mozilla/5.0 (Linux; Android 9; LLD-L31 Build/HONORLLD-L31; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.116 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/324.0.0.15.119;] Android 9 Honor 9 Lite
Mozilla/5.0 (Linux; Android 9; INE-LX1r Build/HUAWEIINE-LX1r; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/324.0.0.15.119;] Android 9 Nova 3i
Mozilla/5.0 (Linux; Android 9; ELE-L29 Build/HUAWEIELE-L29; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/324.0.0.15.119;] Android 9 P30
Mozilla/5.0 (Linux; Android 9; ASUS_X00TDB Build/PKQ1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/324.0.0.15.119;] Android 9 ZenFone Max Pro M1
Mozilla/5.0 (Linux; Android 8.1.0; SM-J530F Build/M1AJQ; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.166 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/324.0.0.15.119;] Android 8 Galaxy J5 (2017)
Mozilla/5.0 (Linux; Android 8.1.0; SM-J530F Build/M1AJQ; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/324.0.0.15.119;] Android 8 Galaxy J5 (2017)