* Use the synchronisation software on your computer to install the latest updates for your Xiaomi Mi Mix 3 5G.
* Connect your Xiaomi Mi Mix 3 5G to a computer with a USB cable and continue with the following steps.
* *Note:* It is not possible to revert to an older version of your device's software once you have completed an update.
* Go to the Start screen.
* Choose *Settings*.
* Choose *System update*.
* The Xiaomi Mi Mix 3 5G is now searching for available updates.
* If this screen appears, the Xiaomi Mi Mix 3 5G already has the latest software version.
* If this screen does not appear, an update is available. To install the software update, follow the on-screen instructions.
* Return to the Start screen.
* The Xiaomi Mi Mix 3 5G now has the latest software update.