Latest Firefox Mobile 48 user agents:

User Agent Platform Device
Mozilla/5.0(Mobile;ZTE_Z2316_4G;rv:48.0)Gecko/48.0 Firefox/48.0 KAIOS/2.5.1.1 KaiOS 2 Z2316
Mozilla/5.0(Mobile;TECNO_T920D_4G;rv:48.0;CAEN)Gecko/48.0 Firefox/48.0 KAIOS/2.5.1.2 KaiOS 2 T920D 4G
Mozilla/5.0(Mobile;itel_it9200_4G;rv:48.0)Gecko/48.0 Firefox/48.0 KAIOS/2.5.1.2 KaiOS 2 it9200 4G
Mozilla/5.0 (X11; CrOS armv7l 13597.84.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.187 Safari/537.36 Mozilla/5.0 (Mobile; Nokia 8000 4G; rv:48.0: 320x480;) Gecko/48.0 Firefox/48.0 KAIOS/2.5.4 KaiOS 2 8000
Mozilla/5.0 (X11; CrOS armv7l 13597.84.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.187 Safari/537.36 Mozilla/5.0 (Mobile; Nokia 8000 4G; rv:48.0) Gecko/48.0 Firefox/48.0 KAIOS/2.5.4 KaiOS 2 8000
Mozilla/5.0 (Mobile;Orange_Nevamini;rv:48.0) Gecko/48.0 Firefox/48.0 KAIOS/2.5.2.1 KaiOS 2 Neva Mini
Mozilla/5.0 (Mobile;Orange_Nevalink;rv:48.0; CAEN) Gecko/48.0 Firefox/48.0 KAIOS/2.5.2 KaiOS 2 Neva Link
Mozilla/5.0 (Mobile; WW6K25_512_4G; rv:48.0) Gecko/48.0 Firefox/48.0 KAIOS/2.5.1.1 KaiOS 2 Unknown
Mozilla/5.0 (Mobile; VIDA_VIDA-K242_4G; rv:48.0) Gecko/48.0 Firefox/48.0 KAIOS/2.5.2 KaiOS 2 Unknown
Mozilla/5.0 (Mobile; Telma_Wikif_Max_4G; rv:48.0) Gecko/48.0 Firefox/48.0 KAIOS/2.5.3.2 KaiOS 2 Wi-Kif Max
Mozilla/5.0 (Mobile; Telma_Wi-Kif+4G_4G; rv:48.0) Gecko/48.0 Firefox/48.0 KAIOS/2.5.2 KaiOS 2 Wi-Kif+ 4G
Mozilla/5.0 (Mobile; Telma_Wi-Kif+3G_3G; rv:48.0) Gecko/48.0 Firefox/48.0 KAIOS/2.5.1.1 KaiOS 2 Wi-Kif+ 3G
Mozilla/5.0 (Mobile; Tech_Pad_Kaios_One_3G; rv:48.0) Gecko/48.0 Firefox/48.0 KAIOS/2.5.1.1 KaiOS 2 Kaios One 3G
Mozilla/5.0 (Mobile; Symphony_PD1_4G_4G; rv:48.0; CAEN) Gecko/48.0 Firefox/48.0 KAIOS/2.5.3.2 KaiOS 2 PD1 4G
Mozilla/5.0 (Mobile; SIGMAMOBILE-S3500-3G; rv:48.0) Gecko/48.0 Firefox/48.0 KAIOS/2.5.1.1 KaiOS 2 X-Style
Mozilla/5.0 (Mobile; Sanza-M560F3; rv:48.0) Gecko/48.0 Firefox/48.0 KAIOS/2.5.1 KaiOS 2 Sanza
Mozilla/5.0 (Mobile; rv:48.0; A405DL) Gecko/48.0 Firefox/48.0 KAIOS/2.5 KaiOS 2 MyFlip
Mozilla/5.0 (Mobile; rv:48.0) Gecko/48.0 Firefox/48.0 KAIOS/2.5 KaiOS 2 Unknown
Mozilla/5.0 (Mobile; rv:48.0) Gecko/48.0 Firefox/48.0 Firefox OS Unknown
Mozilla/5.0 (Mobile; RED_X_RX2441_4G; rv:48.0) Gecko/48.0 Firefox/48.0 KAIOS/2.5.3.1 KaiOS 2 RX2441