> 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/basic-knowledge/firmware-upgrade.md).

# 固件更新

KeyPal 硬件钱包的拓展功能是支持 [**固件版本升级**](/zh-cn/user-manual/keypal-plus/firmware-upgrade.md) **。**

固件升级是为了增加以下几种功能：

1.新增支持公链：比如 **EOS、TRON 。**

2.优化使用流程、增强稳定性等。

<figure><img src="https://keypal.gitbook.io/zh-cn/~gitbook/image?url=https%3A%2F%2F1298128048-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252F-Mg5G_HReG9wqWFfMyGm%252Fuploads%252FR3pPLtI6PR1VvjHW37xF%252Fimage.png%3Falt%3Dmedia%26token%3D4d66f722-5af1-473d-90ef-31df4805c9e1&#x26;width=768&#x26;dpr=4&#x26;quality=100&#x26;sign=439c93cd&#x26;sv=2" alt=""><figcaption></figcaption></figure>