Latest Facebook Lite 255 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; W-K510-EEA Build/PPR1.181008.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/87.0.4280.141 Mobile Safari/537.36[FBAN/EMA;FBLC/it_IT;FBAV/255.0.0.8.119;] Android 9 Y60
Mozilla/5.0 (Linux; Android 9; VTR-L29 Build/HUAWEIVTR-L29; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.101 Mobile Safari/537.36[FBAN/EMA;FBLC/lv_LV;FBAV/255.0.0.8.119;] Android 9 P10
Mozilla/5.0 (Linux; Android 9; TA-1053 Build/PKQ1.181105.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.101 Mobile Safari/537.36[FBAN/EMA;FBLC/ru_RU;FBAV/255.0.0.8.119;] Android 9 5
Mozilla/5.0 (Linux; Android 9; TA-1024 Build/PKQ1.181105.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.101 Mobile Safari/537.36[FBAN/EMA;FBLC/bg_BG;FBAV/255.0.0.8.119;] Android 9 5
Mozilla/5.0 (Linux; Android 9; SM-J701F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36[FBAN/EMA;FBLC/ru_RU;FBAV/255.0.0.8.119;] Android 9 Galaxy J7 Core
Mozilla/5.0 (Linux; Android 9; SM-G950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.101 Mobile Safari/537.36[FBAN/EMA;FBLC/it_IT;FBAV/255.0.0.8.119;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; SM-A750FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.127 Mobile Safari/537.36[FBAN/EMA;FBLC/lv_LV;FBAV/255.0.0.8.119;] Android 9 Galaxy A7 (2018)
Mozilla/5.0 (Linux; Android 9; SM-A107F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.101 Mobile Safari/537.36[FBAN/EMA;FBLC/ar_AR;FBAV/255.0.0.8.119;] Android 9 Galaxy A10s
Mozilla/5.0 (Linux; Android 9; SM-A107F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.136 Mobile Safari/537.36[FBAN/EMA;FBLC/en_US;FBAV/255.0.0.8.119;] Android 9 Galaxy A10s
Mozilla/5.0 (Linux; Android 9; SM-A105FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.101 Mobile Safari/537.36[FBAN/EMA;FBLC/bg_BG;FBAV/255.0.0.8.119;] Android 9 Galaxy A10
Mozilla/5.0 (Linux; Android 9; Redmi Y2 Build/PKQ1.181203.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.99 Mobile Safari/537.36[FBAN/EMA;FBLC/en_GB;FBAV/255.0.0.8.119;] Android 9 Redmi Y2
Mozilla/5.0 (Linux; Android 9; MRD-LX1 Build/HUAWEIMRD-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.101 Mobile Safari/537.36[FBAN/EMA;FBLC/it_IT;FBAV/255.0.0.8.119;] Android 9 Y6 (2019)
Mozilla/5.0 (Linux; Android 9; MRD-LX1 Build/HUAWEIMRD-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.101 Mobile Safari/537.36[FBAN/EMA;FBLC/fr_FR;FBAV/255.0.0.8.119;] Android 9 Y6 (2019)
Mozilla/5.0 (Linux; Android 9; FIG-LX1 Build/HUAWEIFIG-L31; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36[FBAN/EMA;FBLC/hu_HU;FBAV/255.0.0.8.119;] Android 9 P smart
Mozilla/5.0 (Linux; Android 9; FIG-LX1 Build/HUAWEIFIG-L11; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.101 Mobile Safari/537.36[FBAN/EMA;FBLC/it_IT;FBAV/255.0.0.8.119;] Android 9 P smart
Mozilla/5.0 (Linux; Android 9; CPH2083 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/89.0.4389.105 Mobile Safari/537.36[FBAN/EMA;FBLC/hi_IN;FBAV/255.0.0.8.119;] Android 9 A12
Mozilla/5.0 (Linux; Android 9; AMN-LX9 Build/HUAWEIAMN-LX9; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.101 Mobile Safari/537.36[FBAN/EMA;FBLC/it_IT;FBAV/255.0.0.8.119;] Android 9 Y5 (2019)
Mozilla/5.0 (Linux; Android 9; AMN-LX9 Build/HUAWEIAMN-LX9; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.101 Mobile Safari/537.36[FBAN/EMA;FBLC/bg_BG;FBAV/255.0.0.8.119;] Android 9 Y5 (2019)
Mozilla/5.0 (Linux; Android 9; AMN-LX9 Build/HUAWEIAMN-LX9; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/89.0.4389.90 Mobile Safari/537.36[FBAN/EMA;FBLC/fr_FR;FBAV/255.0.0.8.119;] Android 9 Y5 (2019)
Mozilla/5.0 (Linux; Android 8.1.0; vivo 1820 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/87.0.4280.141 Mobile Safari/537.36[FBAN/EMA;FBLC/en_US;FBAV/255.0.0.8.119;] Android 8 Y91i