# M-8.2 (多幣種)

M-8.2 (多幣種) 固件版本包括以下更新：

* Polkadot 模式下支持 SubWallet。

{% content-ref url="../../di-san-fang-qian-bao/polkadot-qian-bao/sub-qian-bao" %}
[sub-qian-bao](https://support.keyst.one/traditional-chinese/di-san-fang-qian-bao/polkadot-qian-bao/sub-qian-bao)
{% endcontent-ref %}

* 支持 iOS 端 Safe 錢包

{% content-ref url="../../di-san-fang-qian-bao/qu-zhong-xin-hua-ying-yong-defi/safe-yi-dong-duan" %}
[safe-yi-dong-duan](https://support.keyst.one/traditional-chinese/di-san-fang-qian-bao/qu-zhong-xin-hua-ying-yong-defi/safe-yi-dong-duan)
{% endcontent-ref %}

* 支持在 Aptos 下進行交易解析

固件升級教程：

{% content-ref url="../../kai-shi-shi-yong/ru-he-sheng-ji-gu-jian" %}
[ru-he-sheng-ji-gu-jian](https://support.keyst.one/traditional-chinese/kai-shi-shi-yong/ru-he-sheng-ji-gu-jian)
{% endcontent-ref %}