**Personal Information Collection List**

**Update Date:** April 15, 2026\
**Effective Date:** April 15, 2026

We have compiled this list to help you quickly understand the personal
information we necessarily process based on the purpose of our services.
The details are as follows:

**I. Basic Business Functions**

| **Usage Scenario**     | **Scope of Personal Information**                            | **Purpose of Use**                                           |
| ---------------------- | ------------------------------------------------------------ | ------------------------------------------------------------ |
| Activating Tongxin UOS | Network identification information, device information, and operating system information | To bind your device with the genuine Tongxin UOS you purchased, enabling your device to enjoy the complete Tongxin UOS products and services. |
| System Updates         | Device information, network identification information, and operating system information | To upgrade Tongxin UOS.                                      |

**II. Extended Functions**

| **Usage Scenario**                                  | **Scope of Personal Information**                            | **Purpose of Use**                                           |
| --------------------------------------------------- | ------------------------------------------------------------ | ------------------------------------------------------------ |
| Improving Our Products and Services                 | Device information, operating system information, and usage behavior information | To improve our products and services.                        |
| Account Registration                                | Personal mobile phone number, email (optional), username, password | To help you register a Tongxin UOS account using your mobile phone number or email address. |
| Account Login                                       | Device name, unique device identifier, usage behavior information, and local account name information | To help you log in to your Tongxin UOS account.              |
| UOS Cloud Sync Service                              | System configuration information (including system language, sound effects, power settings, mouse settings, system theme, wallpaper, launcher, taskbar, hot area configurations), application software information, and browsing information | To provide you with the **UOS Cloud Sync** service.          |
| Providing You with **Service and Support** Services | Email information, device information, support ticket information, activation information, network identification information, operating system information | To help you use the message consultation feature or online customer service function. |
| Remote Assistance Service                           | Network identification information, device information, remote connection verification information (including generated identification code, verification code), and your usage behavior information for this software (including requesting remote connection, disconnecting remote connection) | To provide you with remote assistance services.              |
| Developer Mode                                      | Device information and operating system information          | To enable Developer Mode for you to obtain super administrator privileges for installing and running non-store-signed applications. |
| Print Manager Service                               | Printer device model information, print service (CUPS) version number | To provide you with print manager services.                  |
| Third-Party Account Login                           | Nickname, avatar, region, and gender                         | To help you log in to your Tongxin UOS account using a third-party account. |
| Operational Analysis and Security Assurance         | Network identification information, device information, operating system information, and application software information | To conduct necessary internal audits, big data analysis research, and security assurance. |
