Latest Facebook Lite 198 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; SM-G950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36[FBAN/EMA;FBLC/bg_BG;FBAV/198.0.0.14.122;] 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/78.0.3904.96 Mobile Safari/537.36[FBAN/EMA;FBLC/lv_LV;FBAV/198.0.0.14.122;] Android 9 Galaxy A8
Mozilla/5.0 (Linux; Android 9; REVVLRY Build/PCY29.148-56-8; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36[FBAN/EMA;FBLC/en_US;FBAV/198.0.0.14.122;] Android 9 REVVL Plus
Mozilla/5.0 (Linux; Android 8.1.0; SM-J710F Build/M1AJQ; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36[FBAN/EMA;FBLC/ru_RU;FBAV/198.0.0.14.122;] Android 8 Galaxy J7
Mozilla/5.0 (Linux; Android 8.1.0; Neffos_C9A Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36[FBAN/EMA;FBLC/uk_UA;FBAV/198.0.0.14.122;] Android 8 C9A
Mozilla/5.0 (Linux; Android 7.1.1; Nexus 6 Build/N6F27M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36[FBAN/EMA;FBLC/ru_RU;FBAV/198.0.0.14.122;] Android 7 Nexus 6
Mozilla/5.0 (Linux; Android 6.0; ALE-L21 Build/HuaweiALE-L21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36[FBAN/EMA;FBLC/hu_HU;FBAV/198.0.0.14.122;] Android 6 P8 Lite (2015)
Mozilla/5.0 (Linux; Android 5.0.2; HTC One max Build/LRX22G; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36[FBAN/EMA;FBLC/bg_BG;FBAV/198.0.0.14.122;] Android 5 One Max