.. _librem_14_maintenance_embedded_controler:

(E)mbedded (C)ontroler
======================

**ISO upgrade method**

To upgrade your EC using the ISO method, you’ll need your Librem 14 charging and a USB drive you can completely erase:

.. raw:: html

    <video width="80%" controls>
        <source src="https://videos.puri.sm/promo/ec_v2.mp4" type="video/mp4">
        <source src="https://videos.puri.sm/promo/ec_v2.webm" type="video/webm">
        Your browser does not support HTML video.
    </video>

:download:`Download <https://videos.puri.sm/promo/ec_v2.mp4>`
`Written steps <https://puri.sm/posts/updating-librem-ec-on-your-librem-14/>`_

**Hardware upgrade method**

For those that already have their Librem 14, keeping your Librem EC firmware updated is simple with the above ISO upgrade method. Still, for those needing to recover or test development EC builds, this video will explain how to upgrade your EC with a chip programmer.

.. raw:: html

    <video width="80%" controls>
        <source src="https://videos.puri.sm/promo/hardware_ec_upgrade.mp4" type="video/mp4">
        <source src="https://videos.puri.sm/promo/hardware_ec_upgrade" type="video/webm">
        Your browser does not support HTML video.
    </video>

:download:`Download <https://videos.puri.sm/promo/hardware_ec_upgrade.mp4>`
`Written hardware steps <https://puri.sm/posts/librem-14-ec-upgrade-hardware-method/>`_