=====================
Flashing your SD Card
=====================
In some case, you may need to reflash your IoT Box’s SD Card to benefit
from our latest updates.
Upgrade from the IoT Box homepage
=================================
Go to the IoT Box homepage, click on *Update*, next to the version number.
If a new version of the IoT Box image is available, you will see a
*Upgrade to ___* button a the bottom of the page, the IoT Box will then
flash itself to the new version of the IoT Box. All of your configurations
will be saved.
.. note::
This process can take more than 30 minutes. Do not turn off or unplug
the IoT Box as it would leave it in an inconsistent state.
.. image:: media/flash_sdcard01.png
:align: center
Upgrade with Etcher
===================
Go to Balena’s website and download `Etcher `__.
It’s a free and open-source utility used for burning image files.
Install and launch it. Download the latest image from `nightly
`__.
Then, open *Etcher* and select *Flash from file*, find the image you just
downloaded. Insert the IoT Box SD card into your computer and select it.
Click on *Flash* and wait for the process to finish.
.. image:: media/flash_sdcard02.png
:align: center