A firmware upgrade can be performed simply over USB without opening
the **FunKey S** console.

Get the latest "**_FunKey-rootfs-x.y.z.fwu_**" firmware update file
directly from [here][1] or from the bottom of the latest release page
in the "assets" section: 

[https://github.com/DrUm78/FunKey-OS/releases/latest][2]{target=_blank}

![Github Release](/assets/images/Github_Release.png){.lightbox}

|                         **Display**                          | **Action**                                                   |
| :----------------------------------------------------------: | :----------------------------------------------------------- |
| ![Connection PC](/assets/images/Connection_PC.png){.lightbox} | Connect the **FunKey S** to your computer using the provided micro USB cable, then open it to turn it on |
|      ![RetroFE](/assets/images/RetroFE.png){.lightbox}       | At the launcher's main screen (example here with RetroFE), press the <i class="funkey-menu"></i> key |
|    ![Mount USB](/assets/images/Mount_USB.png){.lightbox}     | Press the <i class="funkey-up"></i> or <i class="funkey-down"></i> keys until you see "**MOUNT USB**" |
| ![Mount USB Are you sure](/assets/images/Mount_USB_are_you_sure.png){.lightbox} | Press the <i class="funkey-A"></i> key twice to confirm      |
|    ![Eject USB](/assets/images/Eject_USB.png){.lightbox}     | "**EJECT USB**" is now displayed instead, now go to your host computer and open a File Explorer window |
|    ![USB Drive](/assets/images/USB_Drive.png){.lightbox}     | You should see the **FunKey S** appear as an USB drive on your computer in the File Explorer (example here with Windows 10) |
| ![USB Drag and Drop](/assets/images/USB_Drag_Drop.png){.lightbox} | Drag & drop the ***FunKey-rootfs-x.y.z.fwu file you just downloaded at the root of this USB drive on your computer |
|  ![Eject Drive](/assets/images/Eject_Drive.png){.lightbox}   | Eject cleanly the USB drive from your computer               |
| ![Eject USB Are you sure](/assets/images/Eject_USB_are_you_sure.png){.lightbox} | Back on the **FunKey S**, at the "**EJECT USB**" menu entry, press the <i class="funkey-A"></i> key twice to confirm |
|     ![Updating](/assets/images/Updating.png){.lightbox}      | The **FunKey S** will then reboot and perform the upgrade    |

[1]: https://github.com/DrUm78/FunKey-OS/releases/download/FunKey-OS-DrUm78/FunKey-rootfs-DrUm78.fwu
[2]: https://github.com/DrUm78/FunKey-OS/releases/latest

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