Technical Support

Welcome to CoinValue app! We are committed to providing users with high-quality coin identification and appraisal services. If you encounter any technical issues or need help during use, please refer to the following information or contact our technical support team directly.

1. Frequently Asked Questions

Installation & Launch

• Unable to download or install the app? Please ensure your device meets the minimum system requirements and check your network connection.
• App crashes on startup? Try restarting your device or check if there are any app updates available.
• Login failed? Please check your network connection and verify your account credentials.

Feature Usage

• Photo recognition inaccurate? Please ensure the photo is clear, well-lit, and the coin occupies the main part of the frame.
• Slow recognition speed? This may be related to network connection speed. Please check your network environment.
• Cannot save recognition results? Please check the app's storage permission settings.

2. Technical Requirements

For the best user experience, we recommend your device meets the following requirements:

• iOS 15.0 or later
• At least 2GB RAM
• Stable internet connection (Wi-Fi or 4G/5G)
• Camera permission enabled
• Storage permission enabled (for saving recognition results)

3. Troubleshooting

When encountering issues, please follow these troubleshooting steps:

• Confirm the app is updated to the latest version
• Restart the app or restart your device
• Check if network connection is stable
• Clear app cache (if the problem persists)
• Reinstall the app (as a last resort)

4. Feedback & Suggestions

We highly value user feedback and suggestions. If you have any improvement suggestions or feature requests, please feel free to contact us through the following methods. Your valuable feedback will help us continuously optimize the product experience.

5. Important Notes

• Please do not use the technical support email for commercial promotion or spam
• To better serve you, please provide detailed problem descriptions
• We will never actively request sensitive information such as passwords
• Technical support is limited to app usage-related issues only