HiOS 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.