Latest Facebook Lite 406 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; U304AA Build/P00610; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/116.0.0.0 Mobile Safari/537.36[FBAN/EMA;FBLC/en_US;FBAV/406.0.0.13.119;] Android 9 Radiant Core
Mozilla/5.0 (Linux; Android 9; Primo_NF4_2GB 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/bn_IN;FBAV/406.0.0.13.119;] Android 9 Primo NF4 2GB
Mozilla/5.0 (Linux; Android 9; PICOpad-7H Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/77.0.3865.92 Mobile Safari/537.36[FBAN/EMA;FBLC/id_ID;FBAV/406.0.0.13.119;] Android 9 PicoPad 7H 3G
Mozilla/5.0 (Linux; Android 9; Neffos A5 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/125.0.6422.112 Mobile Safari/537.36[FBAN/EMA;FBLC/en_GB;FBAV/406.0.0.13.119;] Android 9 A5
Mozilla/5.0 (Linux; Android 9; MAXTRON Genio Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/124.0.6367.172 Safari/537.36[FBAN/EMA;FBLC/id_ID;FBAV/406.0.0.13.119;] Android 9 Genio
Mozilla/5.0 (Linux; Android 9; i97 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/124.0.6367.83 Mobile Safari/537.36[FBAN/EMA;FBLC/en_US;FBAV/406.0.0.13.119;] Android 9 i97
Mozilla/5.0 (Linux; Android 9; AGORA XI Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/124.0.6367.159 Mobile Safari/537.36[FBAN/EMA;FBLC/en_GB;FBAV/406.0.0.13.119;] Android 9 Agora 11
Mozilla/5.0 (Linux; Android 9; AF9020 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/124.0.6367.179 Mobile Safari/537.36[FBAN/EMA;FBLC/en_GB;FBAV/406.0.0.13.119;] Android 9 Benco Y50
Mozilla/5.0 (Linux; Android 8.1; HUAWEI RIO-UL00 Build/HUAWEIRIO-UL00; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36[FBAN/EMA;FBLC/en_GB;FBAV/406.0.0.13.119;] Android 8 G7 Plus
Mozilla/5.0 (Linux; Android 8.1.0; V102 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/124.0.6367.159 Mobile Safari/537.36[FBAN/EMA;FBLC/bn_IN;FBAV/406.0.0.13.119;] Android 8 V102
Mozilla/5.0 (Linux; Android 8.1.0; Twist 2 Build/OPM2.171019.012; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/124.0.6367.172 Mobile Safari/537.36[FBAN/EMA;FBLC/pt_BR;FBAV/406.0.0.13.119;] Android 8 Twist 2
Mozilla/5.0 (Linux; Android 8.1.0; TECNO LB6 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/70.0.3538.110 Mobile Safari/537.36[FBAN/EMA;FBLC/ha_NG;FBAV/406.0.0.13.119;] Android 8 Spark 2 Youth
Mozilla/5.0 (Linux; Android 8.1.0; Sunny3 Build/OPM2.171019.012; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.104 Mobile Safari/537.36[FBAN/EMA;FBLC/fr_FR;FBAV/406.0.0.13.119;] Android 8 Sunny 3
Mozilla/5.0 (Linux; Android 8.1.0; S5018 Build/OPM2.171019.012; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/124.0.6367.159 Mobile Safari/537.36[FBAN/EMA;FBLC/es_LA;FBAV/406.0.0.13.119;] Android 8 Inizio
Mozilla/5.0 (Linux; Android 8.1.0; RU1 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/124.0.6367.171 Mobile Safari/537.36[FBAN/EMA;FBLC/en_US;FBAV/406.0.0.13.119;] Android 8 RU1
Mozilla/5.0 (Linux; Android 8.1.0; L503F Plus Build/OPM2.171019.012; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/70.0.3538.110 Mobile Safari/537.36[FBAN/EMA;FBLC/id_ID;FBAV/406.0.0.13.119;] Android 8 L503F Plus
Mozilla/5.0 (Linux; Android 8.1.0; itel P32 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/70.0.3538.110 Mobile Safari/537.36[FBAN/EMA;FBLC/en_GB;FBAV/406.0.0.13.119;] Android 8 P32
Mozilla/5.0 (Linux; Android 8.1.0; Hisense U70 Build/OPM2.171019.012; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/124.0.6367.179 Mobile Safari/537.36[FBAN/EMA;FBLC/en_US;FBAV/406.0.0.13.119;] Android 8 U70
Mozilla/5.0 (Linux; Android 8.1.0; FAME Build/OPM2.171019.012; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/125.0.6422.53 Mobile Safari/537.36[FBAN/EMA;FBLC/en_GB;FBAV/406.0.0.13.119;] Android 8 Fame
Mozilla/5.0 (Linux; Android 8.1.0; CPH1869 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/124.0.6367.179 Mobile Safari/537.36[FBAN/EMA;FBLC/zh_TW;FBAV/406.0.0.13.119;] Android 8 CPH1869