User Agreement

1. Service Overview

Eira (the "App") is a mobile application that provides users with the following services: (i) capturing portrait photos, (ii) using artificial intelligence to extract human figures from portrait photos, (iii) generating personalized wallpaper color schemes based on the extracted portraits, and (iv) supporting customization of wallpaper patterns (such as stripes, polka dots, gradients). The App is owned and operated by Eira Service Provider (the "Provider").

2. Account Rules

2.1 You may need to create an account to use certain features of the App. You agree to provide accurate, current, and complete information during the registration process and to update such information to keep it accurate, current, and complete.

2.2 You are solely responsible for maintaining the confidentiality of your account credentials (including username and password) and for all activities that occur under your account. You agree to immediately notify the Provider of any unauthorized use of your account or any other breach of security.

2.3 The Provider reserves the right to suspend or terminate your account if you violate any provisions of this Agreement or applicable laws and regulations.

3. Usage Norms

3.1 You agree to use the App only for lawful purposes and in compliance with all applicable laws, regulations, and this Agreement.

3.2 You shall not:

• Upload or process portrait photos that infringe upon others' privacy, portrait rights, or other legitimate rights and interests;
• Use the App to generate or distribute content that is obscene, violent, discriminatory, or violates public morality;
• Interfere with or disrupt the normal operation of the App or the servers and networks connected to the App;
• Attempt to gain unauthorized access to any part of the App, other users' accounts, or the Provider's server systems;
• Modify, adapt, translate, reverse engineer, decompile, disassemble, or attempt to derive the source code of the App.

4. Content Rights and Responsibilities

4.1 You warrant that you have the legal right to provide and process the portrait photos you upload to the App, and that such use does not infringe upon the rights of any third party (including but not limited to portrait rights, privacy rights, copyrights).

4.2 You retain ownership of the original portrait photos you upload. The Provider only obtains the limited right to use such photos to provide the agreed services, including but not limited to AI extraction, color scheme generation, and wallpaper customization.

4.3 The wallpaper color schemes and patterns generated by the App are for your personal non-commercial use only. You shall not use such content for commercial purposes without the prior written consent of the Provider.

4.4 The Provider reserves the right to review the content uploaded and generated by you, and to remove or block any content that violates this Agreement or applicable laws without prior notice.

5. Payment Terms

5.1 Some features of the App may be provided on a paid basis. The Provider will clearly display the pricing, payment methods, and service scope of paid features in the App.

5.2 By purchasing paid services, you agree to pay the corresponding fees in accordance with the Provider's pricing rules. All payments are non-refundable unless otherwise specified by law or the Provider's refund policy.

5.3 The Provider reserves the right to adjust the pricing of paid services, but will notify you of such adjustments in advance for existing paid users.

6. Service Changes and Termination

6.1 The Provider may modify, suspend, or terminate all or part of the App's services at any time, with or without cause, and will use reasonable efforts to notify you of material changes or terminations.

6.2 You may terminate your use of the App at any time by deleting your account and the App. Upon termination, your right to use the App will immediately cease, and you shall stop using all paid features (if any).

6.3 Provisions of this Agreement that by their nature should survive termination (including but not limited to content rights, liability limitations, dispute resolution) shall remain in effect after termination.

7. Disclaimer

7.1 THE APP IS PROVIDED "AS IS" WITHOUT WARRANTIES OF ANY KIND, WHETHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.

7.2 The Provider shall not be liable for any direct, indirect, incidental, special, or consequential damages arising from your use or inability to use the App, including but not limited to damages caused by errors in AI extraction, color scheme generation, or wallpaper customization.

7.3 The Provider does not guarantee that the App will be error-free, uninterrupted, or free from viruses or other harmful components. You are responsible for taking appropriate measures to protect your device and data.

8. Dispute Resolution

8.1 This Agreement shall be governed by and construed in accordance with the laws of the jurisdiction where the Provider is located, without regard to its conflict of law principles.

8.2 Any dispute arising out of or in connection with this Agreement shall first be resolved through friendly negotiation between you and the Provider. If negotiation fails, either party may submit the dispute to the people's court with jurisdiction over the Provider's place of business.

9. Agreement Updates

9.1 The Provider may update this Agreement from time to time. When material changes are made, the Provider will notify you through the App, email, or other reasonable means.

9.2 Your continued use of the App after the updated Agreement takes effect constitutes your acceptance of the updated terms. If you do not agree to the updated Agreement, you shall stop using the App immediately.