> For the complete documentation index, see [llms.txt](https://support.keyst.one/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.keyst.one/traditional-chinese/geng-xin-ri-zhi/gu-jian-geng-xin-dan-bi-zhong/b2.5-dan-bi-zhong.md).

# B-2.5 (单幣種)

B-2.5 (單幣種) 固件版本，更新如下： 

1\. 支持西班牙語。

在[此處](https://keyst.one/firmware)下載最新固件。

固件升級教程：

{% content-ref url="/pages/-Mch4VfgvcRbGSWU8PTg" %}
[固件升級](/traditional-chinese/kai-shi-shi-yong/ru-he-sheng-ji-gu-jian.md)
{% endcontent-ref %}