# M-5.0 (Multi-Coin)

Multi-coin firmware M-5.0 includes the following updates:

1. In the MetaMask / DeFi / Web3 mode, Keystone can now be used with MetaMask and DeFi applications. ([Tutorial](https://support.keyst.one/3rd-party-wallets/eth-and-web3-wallets-keystone/bind-metamask-with-keystone))
2. In the MetaMask / DeFi / Web3 mode, Keystone now supports the switching of wallet paths to Ledger Live and Legacy formats. ([Tutorial](https://support.keyst.one/3rd-party-wallets/eth-and-web3-wallets-keystone/bind-metamask-with-keystone/how-to-switch-eth-path-to-ledger-live-legacy-format))
3. Further optimization of the initialization process.
4. Keystone now supports Spanish and Korean.
5. The labeling of the firmware versions scheme has changed. M-x.x stands for "Multi-cion firmware" while B-x.x stands for "Bitcoin-only firmware".

Tutorial for firmware upgrade:

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