HiOS
| HiOS | |
|---|---|
 The logo of HiOS | |
 | |
| Developer | Tecno Mobile |
| Written in | C (HiOS modifications of Android OS) |
| OS family | Android (Linux) |
| Working state | Current |
| Source model | Closed-source |
| Initial release | April 2016 |
| Latest release | 16.3.0.145SP09 / September 2, 2026 |
| License | Proprietary |
| Official website | tecno-mobile |
HiOS (/ˈhaɪɒs/) is a customized Android operating system developed by Chinese mobile phone manufacturer Tecno Mobile, a subsidiary of Transsion Holdings. The OS is used in the company’s smartphones.
HiOS claims to allow for a wide range of user customization without requiring rooting of the mobile device. The operating system is bundled with pre-installed utility applications. The company claimed that the applications would allow users to free up memory, freeze applications, and limit data accessibility to applications, among others.