> For the complete documentation index, see [llms.txt](https://emotiv.gitbook.io/epoc-x-user-manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://emotiv.gitbook.io/epoc-x-user-manual/support/firmware.md).

# Firmware

You'll know it's time to upgrade firmware because you'll receive a notification when you open Launcher and connect your EMOTIV device. Learn how to [upgrade firmware on your EPOC X](https://emotiv.gitbook.io/updating-firmware-1/epoc-x).

![](/files/-M50yN_7eqhlQ1_2rDTH)

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If your headset’s power LED is flashing slowly, it has gone into bootloader mode. When this happens it is doing a firmware update or it is indicating that it requires a firmware update.  

If this happens, please contact the [EMOTIV Support](https://www.emotiv.com/contact-support/) team<br>