Latest KaiOS 3 user agents:

User Agent Browser Device
Mozilla/5.0 (tablet;rv:115.0) Gecko/115.0 Firefox/115.0 KAIOS/3.5 Firefox Mobile 115 Unknown
Mozilla/5.0 (Tablet; rv:111.0) Gecko/111.0 Firefox/111.0 KAIOS/3.5 Firefox Mobile 111 Unknown
Mozilla/5.0 (phone;rv:115.0) Gecko/115.0 Firefox/115.0 KAIOS/3.5 Firefox 115 Unknown
Mozilla/5.0 (Mobile;LYF/F300B/LYF-F300B-001-01-15-130718-i;Android; rv:84.0) Gecko/84.0 Firefox/84.0 KAIOS/3.0 Firefox Mobile 84 F300B
Mozilla/5.0 (Mobile; TCL T435X; rv:84.0) Gecko/84.0 Firefox/84.0 KAIOS/3.1 Firefox Mobile 84 T435X
Mozilla/5.0 (Mobile; TCL T435V; rv:84.0) Gecko/84.0 Firefox/84.0 KAIOS/3.1 Firefox Mobile 84 T435V
Mozilla/5.0 (Mobile; TCL 4056W; rv:84.0) Gecko/84.0 Firefox/84.0 KAIOS/3.0 Firefox Mobile 84 Go Flip 4
Mozilla/5.0 (Mobile; TCL 4056V; rv:84.0) Gecko/84.0 Firefox/84.0 KAIOS/3.0 Firefox Mobile 84 4056V
Mozilla/5.0 (Mobile; TCL 4056SPP; rv:84.0) Gecko/84.0 Firefox/84.0 KAIOS/3.0 Firefox Mobile 84 4056SPP
Mozilla/5.0 (Mobile; TCL 4056L; rv:84.0) Gecko/84.0 Firefox/84.0 KAIOS/3.0 Firefox Mobile 84 4056L
Mozilla/5.0 (Mobile; SH3320; rv:84.0) Gecko/84.0 Firefox/84.0 KAIOS/3.1,gzip(gfe);GoogleHypersonic Firefox Mobile 84 SH3320
Mozilla/5.0 (Mobile; SH3320; rv:84.0) Gecko/84.0 Firefox/84.0 KAIOS/3.1 Firefox Mobile 84 SH3320
Mozilla/5.0 (Mobile; Nokia_800_4G; rv:78.0) Gecko/78.0 Firefox/78.0 KAIOS/3.0 Firefox Mobile 78 800
Mozilla/5.0 (Mobile; Nokia 2780; rv:84.0) Gecko/84.0 Firefox/84.0 KAIOS/3.1 Firefox Mobile 84 2780
Mozilla/5.0 (Mobile; HMD Barbie Phone; rv:84.0) Gecko/84.0 Firefox/84.0 KAIOS/3.1 Firefox Mobile 84 Unknown
Mozilla/5.0 (Mobile; CKT_U1030AC; rv:84.0) Gecko/84.0 Firefox/84.0 KAIOS/3.1 Firefox Mobile 84 Debut Flex
Mozilla/5.0 (Mobile; ALCATEL 4056Z; rv:84.0) Gecko/84.0 Firefox/84.0 KAIOS/3.0 Firefox Mobile 84 Go Flip 4
Mozilla/5.0 (Mobile; ALCATEL 4056W; rv:84.0) Gecko/84.0 Firefox/84.0 KAIOS/3.0 Firefox Mobile 84 Go Flip 4
Mozilla/5.0 (Linux; Nokia 2780 Flip; Build/400.0.0.0; rv:119.0.0.0; en-US) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Mobile Safari/537.36 KaiOS/3.0 Chrome Mobile 119 2780 Flip
Mozilla/5.0 (Android; Mobile; Touch; rv:109.0) Gecko/111.0 Firefox/111.0 KAIOS/3.5 Firefox Mobile 111 Unknown