KaiOS
KaiOS specifications
KaiOS is a mobile Linux distribution for keypad-based mobile phones. It is designed and optimised for affordable and low-power feature phones, while retaining access to Internet services through web apps, based on the Gecko engine. KaiOS was originally forked from the former Firefox OS open-source project, and is developed by KaiOS Technologies Limited; a company based in Hong Kong, whose largest shareholder is Chinese electronics conglomerate TCL Corporation.
| Developer |
KaiOS Technologies |
| Kernel / engine |
Linux kernel / Gecko rendering engine |
| Supported platforms |
ARM, x86 |
| First released |
2017-03-01 |
Latest KaiOS user agents:
| User Agent |
Browser | Device |
| Mozilla/5.0 (Mobile; Jio/JFP1AE/Jio-JFP1AE-001-01-81-220526;Android; rv:48.0) Gecko/48.0 Firefox/48.0 KAIOS/2.5.3.2 |
Firefox Mobile 48 | JFP1AE |
| Mozilla/5.0 (Mobile; LYF/F220B/LYF-F220B-003-01-82-040526;Android; rv:48.0) Gecko/48.0 Firefox/48.0 KAIOS/2.5 |
Firefox Mobile 48 | F220B |
| Mozilla/5.0 (Mobile;Vodacom_Vibe4G;rv:48.0) Gecko/48.0 Firefox/48.0 KAIOS/2.5.3.2 |
Firefox Mobile 48 | Unknown |
| Mozilla/5.0 (Mobile; LYF/F320B/LYF-F320B-002-03-09-210526;Android; rv:48.0) Gecko/48.0 Firefox/48.0 KAIOS/2.5.3.2 |
Firefox Mobile 48 | F320B |
| Mozilla/5.0 (rv:84.0) Gecko/20100101 Firefox/84.0 KAIOS/3.0 |
Firefox 84 | Unknown |
| Mozilla/5.0 (Mobile; rv:84.0) Gecko/84.0 Firefox/84.0 KAIOS/3.0 |
Firefox Mobile 84 | Unknown |
| Mozilla/5.0 (Mobile; rv:120.0) Gecko/120.0 Firefox/120.0 KAIOS/4.0 |
Firefox Mobile 120 | Unknown |
| Mozilla/5.0 (Mobile; Nokia; rv:48.0) Gecko/48.0 Firefox/48.0 KAIOS/2.5 |
Firefox Mobile 48 | rv |
| Mozilla/5.0 (Mobile; Touch; rv:109.0) Gecko/111.0 Firefox/111.0 KAIOS/3.5 |
Firefox Mobile 111 | Unknown |
| Mozilla/5.0 (Mobile; Nokia 6300 4G; rv:48.0; CAEN) Gecko/48.0 Firefox/48.0 KAIOS/2.5.4 UCKai/1.2.0 |
UC Browser 1 | 6300 |