Latest Facebook 240 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; VTR-L09 Build/HUAWEIVTR-L0901; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/77.0.3865.92 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/240.0.0.38.121;] Android 9 P10
Mozilla/5.0 (Linux; Android 9; VOG-L29 Build/HUAWEIVOG-L29; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.71 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/240.0.0.38.121;] Android 9 P30 Pro
Mozilla/5.0 (Linux; Android 9; VOG-L29 Build/HUAWEIVOG-L29; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.120 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/240.0.0.38.121;] Android 9 P30 Pro
Mozilla/5.0 (Linux; Android 9; SM-N950U Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/77.0.3865.73 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/240.0.0.38.121;] Android 9 Galaxy Note 8
Mozilla/5.0 (Linux; Android 9; SM-J600FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/77.0.3865.92 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/240.0.0.38.121;] Android 9 Galaxy J6
Mozilla/5.0 (Linux; Android 9; SM-J400F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.157 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/240.0.0.38.121;] Android 9 Galaxy J4
Mozilla/5.0 (Linux; Android 9; SM-J337VPP Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/77.0.3865.92 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/240.0.0.38.121;] Android 9 Galaxy J3 (2018)
Mozilla/5.0 (Linux; Android 9; SM-J330FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/76.0.3809.89 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/240.0.0.38.121;] Android 9 Galaxy J3 (2017)
Mozilla/5.0 (Linux; Android 9; SM-G970U1 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/240.0.0.38.121;] Android 9 Galaxy S10e
Mozilla/5.0 (Linux; Android 9; SM-G960U1 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/77.0.3865.92 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/240.0.0.38.121;] 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/75.0.3770.143 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/240.0.0.38.121;] 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/74.0.3729.136 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/240.0.0.38.121;] Android 9 Galaxy A8
Mozilla/5.0 (Linux; Android 9; SM-A505U Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.136 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/240.0.0.38.121;] Android 9 Galaxy A50
Mozilla/5.0 (Linux; Android 9; SM-A205U Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/77.0.3865.92 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/240.0.0.38.121;] Android 9 Galaxy A20
Mozilla/5.0 (Linux; Android 9; SM-A102U Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/77.0.3865.92 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/240.0.0.38.121;] Android 9 Galaxy A10e
Mozilla/5.0 (Linux; Android 9; POT-LX1 Build/HUAWEIPOT-L21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.61 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/240.0.0.38.121;] Android 9 P smart (2019)
Mozilla/5.0 (Linux; Android 9; POT-LX1 Build/HUAWEIPOT-L21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/69.0.3497.100 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/240.0.0.38.121;] Android 9 P smart (2019)
Mozilla/5.0 (Linux; Android 9; MRD-LX1 Build/HUAWEIMRD-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/78.0.3904.108 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/240.0.0.38.121;] Android 9 Y6 (2019)
Mozilla/5.0 (Linux; Android 9; Moto Z (2) Build/PCX29.159-21-3; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/77.0.3865.92 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/240.0.0.38.121;] Android 9 Moto Z2
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/77.0.3865.92 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/240.0.0.38.121;] Android 9 Moto G6 Play