Dustbuilder ProUltra Gen2
This system is still in testing. Do not trust it.

L20 Ultra (MR813)

Dreame L20 Ultra (MR813), dreame.vacuum.r2394

L20 Ultra (MR813)

A peculiar robot. The L20 originally was a Rockchip-based model, which, apparently, didn't go so well for Dreame. I suppose they had sales contracts to fulfill, so this bot came to be. An L20 in Name, in Design and in Dock, but with different Hardware. Funfact: The original L20 was a miserable experience not just for Dreame but also for me, as it was advertised as a premium model through obnoxious influencers with even more obnoxious viewers. But by now it is available for cheap in the used market.

  1. Base firmware

  2. Device

    Installing a firmware built for a different model of bot will brick it - no matter how similar it looks or its name might sound like.
    Do not try to cheat this.

  3. Output format

  4. Actions

  5. SSH access

    Must be at least 6 characters. Leave empty for a random key.
    Depending on your threat model, a good value here could for example be the SN of the robot.

  6. Human verification

Serial number

The serial number is printed on the sticker below the dustbin. Include all lines but exclude anything like "WO:"

Enter the serial exactly as printed, including all lines. Do not add spaces or dashes.

We check the format before queueing anything: the model code prefix, the character set and the length have to match this model. If your serial is rejected, it usually means the sticker belongs to a different model variant - check the aka line above for what this build supports.

Generate an SSH keypair

While you should really generate one yourself using the proper openSSH tools, if you do not care, you can also generate one here.
This all happens locally in your browser and is not saved anywhere, so make sure to hold on to that zip to not lose access to your robot.

Used as the key comment and the download filename.