System Update

Most of our devices support to be upgraded by installing firmware package, detailed steps are as below:

①Visit official website, click “Service & Support” available in navigation bar;

②Enter device model in search box (Device model can be found from package or appearance of the device);

③Download Firmware and Guidance document, follow the steps on it.

Some models cannot be upgraded through installing firmware package, please consult engineers for more details.

Limited by system compatibility, third-party ROMs can’t be installed on UT devices. To ensure system stability and normal use of the functions, please check version update notification in system settings (OTA update is required).

Note: Devices failure caused by installing third-party ROMs will no longer entitled to warranty rights

System version details can be found in Settings>About device.

Note: Path may vary from different models.

To ensure system stability and normal use of the function, it is not recommended to roll back system version. If you meet any faults, please feel free to contact us.

System upgrade is usually used to improve overall stability of system through resolving compatibility problems or faults occupy on old versions. Sometimes new function will come with the new version, which improve users’ experience.

1) Resolving faults occupy on old versions;
2) Improving system stability & compatibility;
3) Optimizing images effect;
4) New functions added.