# CubeCOS Upgrade Guide - Firmware & Fixpack Updates

> Complete CubeCOS upgrade guide covering firmware upgrades, fixpack updates, prerequisites, and rolling upgrade workflows. One-click automation for production environments.

## Overview {#overview}

Starting with version 3.1.0, CubeCOS includes a rolling update and upgrade feature. This feature automates cluster scheduling and maintenance to simplify multi-node operations and reduce deployment risk.

:::info[Version Requirement]

The one-click update and upgrade operation is only supported by CubeCOS versions **3.1.0** and later. For earlier versions, use the [Manual Upgrade via CLI](./cli) guide.

:::

## Getting started {#getting-started}

Choose your path based on your CubeCOS version:

- **CubeCOS 3.1.0 or later**: Follow the [One-click Upgrade Installation Guide](./guide) to use the automated UI-based upgrade process
- **CubeCOS 3.0.0 or earlier**: Follow the [Manual Upgrade via CLI](./cli) guide for command-line upgrades

For detailed technical information about upgrade workflows and rolling upgrade modes, see the [One-click Upgrade Introduction](./introduction).

## Quick links {#quick-links}