# M-8.8(Multi-Coin)

The multi-coin firmware M-8.8 update includes the following:

* Added support for Russian language
* Added a display password button to reveal characters when entering passphrases/passwords
* Updated the information for various Uniswap smart contract addresses in the built-in ABI library
* Updated the contents under the \[Receive TRON] page when in the Companion App mode
* Supports a deeper detailed level of parsing custom ABI files
* Disabling the function of adding multiple addresses for DOT when in the Companion App mode

Tutorial for firmware upgrade:

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


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