> For the complete documentation index, see [llms.txt](https://keypal.gitbook.io/zh-cn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://keypal.gitbook.io/zh-cn/user-manual/keypal-2/firmware-upgrade.md).

# KeyPal 2 固件升级

- [通过 WEB 网页升级固件](https://keypal.gitbook.io/zh-cn/user-manual/keypal-2/firmware-upgrade/via-website.md)
- [固件版本3.1.0 升级教程](https://keypal.gitbook.io/zh-cn/user-manual/keypal-2/firmware-upgrade/via-website/v3.1.0.md)
- [通过蓝牙升级固件](https://keypal.gitbook.io/zh-cn/user-manual/keypal-2/firmware-upgrade/via-bluetooth.md)
- [固件升级疑难](https://keypal.gitbook.io/zh-cn/user-manual/keypal-2/firmware-upgrade/faq.md)
- [WEB 升级固件](https://keypal.gitbook.io/zh-cn/user-manual/keypal-2/firmware-upgrade/faq/via-website.md)
- [蓝牙升级固件](https://keypal.gitbook.io/zh-cn/user-manual/keypal-2/firmware-upgrade/faq/via-bluetooth.md)