> 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-6.8-multi-coin.md).

# M-6.8 (Multi-Coin)

The multi-coin firmware M-6.8 includes the following updates:

We now support Solflare Mobile.

{% content-ref url="/pages/yETEMuEEQSX40TfyXwBi" %}
[Solflare Mobile](/3rd-party-wallets/solana-wallets/solflare-mobile.md)
{% endcontent-ref %}

Performance improvements: 

Adding \[Solflare Mobile] tutorial link

Bug fixed: \
Resolved a bug that causes QR-code-scanning failures during signature signing in Solana dApps.<br>

Tutorial for firmware upgrade:

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