# Page Not Found

The URL `buy-faq` does not exist.

You might be looking for one of these pages:
- [关于 KeyPal 硬件钱包](https://keypal.gitbook.io/zh-cn/about-keypal.md)
- [KeyPal Card 常见问题](https://keypal.gitbook.io/zh-cn/user-manual/keypal-card/faq.md)
- [产品购买问答](https://keypal.gitbook.io/zh-cn/purchase-faq/product-purchase-faq.md)
- [KeyPal 2 使用 FAQ](https://keypal.gitbook.io/zh-cn/user-manual/keypal-2/tutorial/faq.md)
- [固件升级疑难](https://keypal.gitbook.io/zh-cn/user-manual/keypal-2/firmware-upgrade/faq.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://keypal.gitbook.io/zh-cn/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://keypal.gitbook.io/zh-cn/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/zh-cn/about-keypal.md`)
- Use `Accept: text/markdown` header for content negotiation