Devices / vacuum-robot

Dreame L40 Ultra

ControllableImported

Fully drivable by open code over the stock firmware.

Rooted, then runs Valetudo for cloud-free local control. Valetudo binary: aarch64. Secure boot: yes.

Get started

One known way to put open firmware or software on this device, easiest first. Each one links to the project's own instructions.

Before you start
  • Back up your data and settings (and the stock firmware, when the guide says how).
  • Check the exact model, hardware revision and firmware version against the guide: a close model may not work.
  • Charge the battery or use a stable power supply; do not unplug during the install.

Install Valetudo over USB (bootloader unlock)

Hard

Opening, soldering or a programmer · Valetudo

You need
Dreame Breakout PCB, Micro USB cable, Laptop running Debian 13 natively
Device opened
No
Brick risk
High

Through the robot's debug connector with the Dreame Breakout PCB; Valetudo warns this method can permanently brick the robot.

No install report yet. · Report how it went

OpenDeviceDB links to each project's own instructions and tools; nothing is flashed from this site. Flashing is at your own risk and may void the warranty.

ID
dreame/l40-ultra
Category
vacuum-robot
Vendor support
Unknown
Updated
2026-10-17
Curate this record on GitHubJSONClaim this device

Being worked on

No live claim. If you start working on this device, claim it so nobody duplicates your work.

Interfaces

No interface documented yet.

Projects

ProjectKindOriginLicense
ValetudointegrationcommunityApache-2.0
Valetudo rooting instructions (Fastboot)othercommunitynot stated

Verification

Not verified. A "verified on hardware" badge requires a replayable test (hardware-replay) run on a real device with a stated firmware version.

Provenance

AI assistance not stated.

Status and claims as of the build date (2026-10-18). Data licensed CC BY-SA 4.0; imported data keeps its upstream license.