> 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/changelog/keystone-changelog/m-10.4-multi-coin.md).

# M-10.4(Multi-Coin)

The multi-coin firmware M-10.4 the update includes the following:

* Official integration with Core wallet
* Resolved the issue of random addresses getting automatically added
* Rectified the problem that prevented the selection of various networks other than Bitcoin, Ethereum, and Binance Smart Chain while syncing with the Keystone Companion App
* Fixed the unit display error during the Aptos transaction analysis

Tutorial for firmware upgrade:

{% content-ref url="/pages/-MVz-o9g8Dc-vlyVuAZj" %}
[Firmware Upgrade](/getting-started/firmware-upgrading.md)
{% endcontent-ref %}