1. Collection and use of personal information for basic business functions

1.1. Account Registration
To comply with applicable regulations or as necessary to provide certain services, you need to register a GUOPHONE account. To complete account registration, you will need to provide your mobile phone number and create a username. You can also log in using a third-party account, authorizing our use of the nickname, avatar, gender, and region information you provided during third-party registration. Without the aforementioned necessary information, you will not be able to register an account or use some of our services. You can provide us with more personal information after registering an account, such as your birthday or other personal information that is not required for registration. This will help us provide you with personalized services. However, if you do not provide this supplementary information, unless otherwise stated in this guide, it will not affect your use of the basic functions of this service.

1.2. Equipment Connection and Control
When you use this feature, we need to collect the following information from you: IP address, network connection status, and gyroscope data from your phone and glasses. The purpose of collecting this information is to help you connect to our server and enable interaction and control between your phone and glasses.

1.3. Address Navigation
When you use this feature, we need to collect the following information from you: your local location. The purpose of collecting this information is to provide you with a projected address location service.

1.4. Weather
When you use this feature, we need to collect the following information from you: IP address and approximate location information (the city corresponding to your approximate location is obtained through your IP address). The purpose of collecting this information is to provide you with weather information for your current location.

1.5. Application and Firmware Upgrades
When you use this feature, we need to collect the following information from you: your phone's MAC address and Android version, and the serial number of your glasses device. The purpose of collecting this information is to provide you with application and firmware upgrade services.

2. Collection and use of personal information for extended business functions

If you refuse to provide the personal information required for extended business functions, it will not affect your use of the basic business functions of this service.

2.1. Feedback
When you use this feature, we need to collect the following information from you: Mobile phone number, device MAC address, device type, and feedback content (including relevant images, information contained in the feedback, etc.). The purpose of collecting this information is to record and verify the feedback you provide, and to contact you via the mobile phone number you proactively provide to follow up and provide feedback on your comments.

2.2. User Experience Improvement
We may also obtain other information about you as reasonably necessary to improve the quality of our products and services, including information about your use of this service and our products or services, such as your device information, device identification information, IP address, your usage behavior and usage time, and error information related to the service. We may correlate information collected from your devices to provide you with consistent service across those devices.

3. Other situations

In addition, in accordance with relevant laws, regulations, and national standards, we may process your personal information without obtaining your authorization or consent in the following circumstances:

• 3.1. Necessary for the conclusion and performance of contracts in which you are a party;
• 3.2. Necessary for the performance of statutory duties or obligations;
• 3.3. Necessary for responding to public health emergencies or for protecting the life, health, and property of natural persons in emergency situations;
• 3.4. To conduct news reporting, public opinion supervision, and other activities for the public interest, and to process personal information within a reasonable scope;
• 3.5. In accordance with the provisions of this Law, personal information that individuals have voluntarily disclosed or that has otherwise been lawfully disclosed shall be processed within a reasonable scope;
• 3.6. Other circumstances stipulated by laws and administrative regulations.

4. Device permission access status

To comply with laws, regulations, and regulatory requirements, and to ensure transaction security, as well as to achieve the purpose of collecting the aforementioned personal information, if your device system allows it, we will provide you with a corresponding pop-up window explaining the different business functions you have selected. If your device system allows it, we will provide you with a corresponding pop-up window explaining the purpose and obtaining your consent when permission is required. By granting these permissions, you authorize us to collect and process this information to achieve the corresponding functions. You can revoke authorization through your device settings, but we will then be unable to provide you with the corresponding business functions. However, this will not affect the use of other services. These required permissions and their specific use cases include:
When you use this service to submit feedback or upload images, we need to request the following permission from you: camera permission.

5. How we use cookies and similar technologies

To personalize your online experience and make your access easier, we will send one or more small data files or similar technical files called cookies to your computer or mobile device. The cookies assigned to you are unique and can only be read by the web server in the domain that issued the cookie to you. We send you cookies to simplify your repeated login steps, help determine your login status, and ensure account or data security.
We will not use cookies for any purpose other than those described in this privacy policy. You can manage or delete cookies according to your preferences. You can clear all cookies saved on your computer. Most web browsers automatically accept cookies, but you can usually modify your browser settings to refuse cookies as needed. Alternatively, you can clear all cookies saved within the software. However, if you do this, you may need to manually change your user settings each time you visit the site, and all your previously recorded information will be deleted, which may have some impact on the security of the services you use. For detailed instructions on how to change your browser settings, please visit the relevant settings page of your browser.

1. Use of your personal information within the group

We will, in accordance with unified information security management requirements and operational strategies, aggregate and jointly use all information you actively or passively provide to us in this service within our group (including YJL Technology (Shenzhen) Co., Ltd. and its affiliates). If the scope of our provision or the recipient's purpose of use exceeds the description in this guide, the recipient who changes the purpose should obtain your consent again, and you have the right to file a complaint with us through "Contact Us". Your personal information may be shared and jointly used within the group for the following processing purposes:

• 1.1. Create a unified login account to verify your identity across the group, unify identity authentication, and enjoy corresponding benefits.
• 1.2. Identify, analyze, and process tag information across the group to form tags, and use them for automated decision-making, personalized display, operational support, notifications and push notifications (including sending you commercial advertisements and information pushes), and improving products and services.
• 1.3. To prevent security risks, we will conduct a comprehensive assessment of your personal information and tag information across the group, detect and prevent security risks (such as phishing websites, fraud, network vulnerabilities, computer viruses, network attacks, network intrusions, etc.), and more accurately identify situations that violate laws and regulations or product and service related agreements and rules, so as to protect the legitimate rights and interests of you, other users, us or affiliated companies.
• 1.4. To jointly provide you with services or to jointly implement the business functions of specific products with affiliates.
• 1.5. Other uses authorized by you and permitted by laws, regulations, normative documents and regulatory provisions.

2. Provide to third parties

We will not provide your personal information to any third party without the permission of laws, regulations, normative documents, and regulatory requirements, or with your prior separate consent, except in the following circumstances:

• 2.1. Outsourced Processing: To implement the business functions of specific products, we may outsource to external suppliers to assist us in providing you with relevant services. Under this outsourced processing method, the third party receiving your personal information is only authorized to provide services to you on our behalf according to our instructions, and we are responsible to you for our entrusted actions within the scope of the outsourced scope. For example, we may outsource to telecommunications service providers to provide us with SMS verification services.
• 2.2. Provision to third parties: In order to fulfill the agreement between us or for other reasonable purposes, we may provide certain of your personal information to third-party personal information processors. The third-party personal information processors that receive the personal information have the right to process the personal information within the scope of the processing purpose, processing method and type of personal information that have been informed to you. If the recipient changes the original processing purpose or processing method, it shall obtain your consent again.

To enable the business functions of this service, we connect with affiliated parties and third-party personal information processors via SDKs/APIs and provide them with your personal information. To ensure you fully understand how your personal information is shared, we have compiled a "Third-Party Information Sharing List" for you to understand all the SDK/API access methods used in this service. If you refuse to allow us to provide your relevant personal information to the corresponding affiliated parties and third-party processors, you will be unable to use the corresponding business functions. Please note that information you voluntarily share or even publicly share when using our services may involve your or others' personal information, including sensitive personal information. Please consider this carefully before making a decision.

3. Transfer

We will not transfer your personal information to any company, organization, or individual, except in the following circumstances:

• 3.1. Transfer with explicit consent: We will transfer your personal information to other parties after obtaining your explicit consent;
• 3.2. In the event of a merger, acquisition, or bankruptcy liquidation, if personal information is transferred by this policy guideline, we will require the company or organization holding your personal information to continue to be bound by this privacy guideline; otherwise, we will require the company or organization to obtain your authorization and consent again.

4. Public Disclosure

We will only disclose your personal information in the following circumstances:

• 4.1. After obtaining your individual consent;
• 4.2. Disclosure based on law: We may disclose your personal information when required by law, legal process, litigation or mandatory requirements of government authorities.

You can exercise your rights as a subject of personal information, including:

1. Viewing, copying, correcting, and supplementing personal information

You can review, correct, and perform other actions regarding the personal information you have provided to us through the relevant instructions or settings in this service, including:

• 1.1. Account Information: You can view and correct your registered account information in the guide, on the correction settings page, "Profile" your personal information;
• 1.2. Information you use: You can access other personal information generated during the use of this service, and cannot access or correct it through the service-related instructions or settings, you can contact us through the methods provided in this guide.
• 1.3. Other Information: If you need to access other personal information generated during the use of this service, and cannot access or correct it through the service-related instructions or settings, you can contact us through the methods provided in this guide.

2. Delete personal information

2.1. For any personal information you use during the use of this service, you can contact us through the methods provided in this guide.

2.2. In the following circumstances, if we do not the actively delete your personal information, you have the right to contact us through the methods provided in this guide to request the deletion of your personal information:

• a) The processing objective has been achieved, or the achieved, or period has expired;
• b) We have ceased providing the product or service, or the relevant no longer necessary to achieve the processing objective;
• c) You withdraw your consent;
• d) We process your personal information in violation of laws, administrative regulations, or agreements;
• e) Other circumstances stipulated by laws and administrative regulations.

3. Withdraw consent (including permissions)

3.1. Regarding the permission requirements of some products/services mentioned in this guide, you may withdraw or stop granting such permission at any time on the relevant business page or the product/settings page we provide, provided your device allows. After withdrawing your consent, the corresponding business functions will no longer be available, but your decision to withdraw your consent or authorization will not affect the processing of your personal information previously carried out based on your authorization.

3.2. If you have other requests to withdraw your consent that cannot be fulfilled, you can contact us through the methods provided in this guide.

4. Unbind/Cancel Account

If you wish to cancel your account, you can submit an application through "Settings" - "Personal Profile" - "Cancel Account", or by contacting our customer service hotline or email address. We will respond to you as soon as possible in accordance with relevant laws, regulations, and standards.

5. In response to your above request

If you need to exercise your personal information rights, you can contact us through the contact information provided in "Contact Us".

• 5.1. For security reasons, you may need to provide a written request or otherwise prove your identity. We may require you to verify your identity before processing your request.
• 5.2. Under normal circumstances, we will respond within fifteen business days. If you are not satisfied, you can also file an appeal through the methods provided in this guide.
• 5.3. In principle, we do not charge fees for your reasonable requests. However, for repeated requests that exceed reasonable technical means (e.g., certain development of a new system or fundamentally changing current practices), pose a risk to the legitimate rights and interests of others, or are highly impractical (e.g., involving information stored on backup tapes), we will charge a certain cost as appropriate.
• 5.4. In the following circumstances, in accordance with legal and regulatory requirements, we will be unable to respond to your request:

1. In accordance with laws and regulations, we will only store the personal information we collect about you within the territory of the People's Republic of China. Currently, we do not have any plans to store your personal information across borders or obtain your authorization overseas. If cross-border data transfer is indeed necessary, we will clearly inform you separately and obtain your recognition and consent. We will ensure that the data recipient has sufficient data protection capabilities to protect your personal information.

2. We retain your personal information for the period necessary to achieve the functional purposes of this service, or for other legitimate purposes such as complying with applicable laws and regulations. After the aforementioned storage period expires, we will delete or anonymize your personal information.

We use industry-standard security measures to protect the personal information you provide, preventing unauthorized access, disclosure, use, or modification, and preventing data damage or loss. We will take all reasonable and feasible measures to protect your personal information, such as using appropriate data encryption algorithms to encrypt the data; we have established access control mechanisms to ensure that only authorized personnel can access your personal information.

1. Our privacy guidelines may change.

2. This guide will not reduce your rights or any entitlements you have under this guide without your explicit consent. We will post any changes to this guide on this page.

3. For significant changes, we will present the revised update to significant users notifications. In this guidance, or other appropriate legally compliant methods when you use the new version. Significant changes referred to in this guidance include, but are not limited to:

• 3.1. Our service model has undergone significant changes. These include the purpose of processing personal information, the types of personal information processed, and the ways in which personal information is used.
• 3.2. We have experienced significant changes in ownership structure and organizational structure, such as changes in ownership due to business adjustments, bankruptcy, mergers, and acquisitions.
• 3.3. Your rights regarding the processing of your personal information have changed;
• 3.4. The methods regarding the protection of your personal information and how to exercise them have undergone significant changes;
• 3.5. When the department responsible for handling personal information security, its contact information, and complaint channels change;
• 3.6. When the personal information security impact assessment report indicates a high risk.

We do not knowingly collect personal information from children. If you believe we have collected information about a child, please contact us to have it removed.

If you have any questions, comments, or suggestions about this privacy policy or related matters, please contact us through the methods provided on our official website.