# M-8.4 (多幣種)

M-8.4 (多幣種) 固件版本包括以下更新：

* 修復特定場景下 BTC 交易失敗問題
* 增加了對 Palm chain （EVM compatible chain）的支持
* 密碼設置字符位數最低要求放開至 6 位
* 【設置】裡【創建 / 導入錢包】页面中增加風險操作提示
* 修復波卡生态中 Crowdloan 類型交易解析失敗問題

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 %}


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