# M-6.10 (Multi-Coin)

The multi-coin firmware M-6.10 includes the following updates:

1. Supports decoding tuple-type transactions on Solana.
2. Built-in Bored Ape Yacht Club ABI contracts.
3. Fixed non-deterministic signature issues.

Tutorial for firmware upgrade:

{% content-ref url="../../getting-started/firmware-upgrading" %}
[firmware-upgrading](https://support.keyst.one/getting-started/firmware-upgrading)
{% endcontent-ref %}