Latest Facebook Messenger 406 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; T9S Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.135 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/406.0.0.13.115;] Android 9 T9 S
Mozilla/5.0 (Linux; Android 9; SM-A530F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.135 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/406.0.0.13.115;] Android 9 Galaxy A8
Mozilla/5.0 (Linux; Android 9; Power_6 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.136 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/406.0.0.13.115;] Android 9 Power 6
Mozilla/5.0 (Linux; Android 9; MRD-LX2 Build/HUAWEIMRD-LX2; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.136 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/406.0.0.13.115;] Android 9 Y6 Pro (2019)
Mozilla/5.0 (Linux; Android 9; Lenovo L19111 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/113.0.5672.76 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/406.0.0.13.115;] Android 9 A7
Mozilla/5.0 (Linux; Android 9; GS190 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.135 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/406.0.0.13.115;] Android 9 GS190
Mozilla/5.0 (Linux; Android 8.1.0; star_two Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.135 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/406.0.0.13.115;] Android 8 I Star Two
Mozilla/5.0 (Linux; Android 8.1.0; SM-J415GN Build/M1AJQ; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/406.0.0.13.115;] Android 8 Galaxy J4+
Mozilla/5.0 (Linux; Android 8.1.0; Plume L1 Plus Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/113.0.5672.77 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/406.0.0.13.115;] Android 8 Plume L1 Plus
Mozilla/5.0 (Linux; Android 8.1.0; Hisense Infinity F27 Pro Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.136 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/406.0.0.13.115;] Android 8 Infinity F27 Pro
Mozilla/5.0 (Linux; Android 7.1.2; Plume H1 Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/59.0.3071.125 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/406.0.0.13.115;] Android 7 Plume H1
Mozilla/5.0 (Linux; Android 7.1.1; ROBBY2 Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.135 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/406.0.0.13.115;] Android 7 Robby2
Mozilla/5.0 (Linux; Android 7.1.1; ASUS_X00LD Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.136 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/406.0.0.13.115;] Android 7 ZenFone 4
Mozilla/5.0 (Linux; Android 5.1; PGN518 Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.74 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/406.0.0.13.115;] Android 5 Plume P6
Mozilla/5.0 (Linux; Android 5.1; Neffos C5 Max Build/LMY47D; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.74 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/406.0.0.13.115;] Android 5 C5 Max
Mozilla/5.0 (Linux; Android 5.1; iris 810 Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.74 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/406.0.0.13.115;] Android 5 Iris 810
Mozilla/5.0 (Linux; Android 5.1.1; SM-G531H Build/LMY48B; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.74 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/406.0.0.13.115;] Android 5 Galaxy Grand Prime
Mozilla/5.0 (Linux; Android 4.4.4; Y635-L01 Build/HuaweiY635-L01) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/33.0.0.0 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/406.0.0.13.115;] Android 4 Y635
Mozilla/5.0 (Linux; Android 13; V2056A Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.135 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/406.0.0.13.115;] Android 13 X60 Pro Plus
Mozilla/5.0 (Linux; Android 13; T610K Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/111.0.5563.116 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/406.0.0.13.115;] Android 13 40 SE