# Putting DVL Devices into Hardware Bootloader Mode

* Disassemble the device, and locate the BOOT button (see the figured below). 
* Hold the BOOT button down while applying power.

<figure><img src="https://2098770382-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FJmHibmWKSWDSTSNZwtIB%2Fuploads%2FBQWPad59BkxLzuwMsnF0%2Fimage.png?alt=media&#x26;token=28b0fd48-d9f8-44f6-a774-c83cc09a9569" alt=""><figcaption><p>DVL Boot button location</p></figcaption></figure>