How to Teach Xiaomiโ€™s Robot Vacuum to Bloat: Myths, Reality and Technical Limitations

Xiaomi robot vacuum cleaners often joke about how fun it would be to hear a strong word from the device instead of the standard "Cleanup Complete." But how realistic is it to change the voice responses of the robot vacuum cleaner to make it swear? Spoiler: technically it is possible, but with serious reservations. In this article, we will analyze all the ways โ€” from harmless jokes to deep hacking the firmware โ€” and explain why the manufacturer will never add such a feature officially.

It's important to understand that this is not just a change in voice (for example, a male or a child's voice), but a complete replacement of audio files with system messages. This requires access to the device's file system, which automatically deprives you of warranty. Moreover, some methods can lead to irreversible damage to the firmware if you do them wrong, so before trying to "teach" Xiaomi Mi Robot Vacuum or Roborock to swear, weigh the risks.

Why Xiaomi robot vacuum cleaners are not rolling out of the box

Smart tech manufacturers are very careful to ensure that their devices comply with ethical and legal standards. In the case of Xiaomi and its sub-brand Roborock, all voice messages are recorded in advance and stored in a secure part of the firmware, here are the key reasons why you won't hear a robot vacuum cleaner mat:

  • ๐Ÿ“œ Legal restrictions: In most countries, disseminating obscene language through household devices may be considered a violation of content standards.
  • ๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘งโ€๐Ÿ‘ฆ Xiaomi positioning its appliances as safe for use by children and the elderly.
  • ๐Ÿ”’ Hacking protection: Robot vacuum cleaner firmware signed cryptographically to prevent unauthorized changes.
  • ๐Ÿค– AI and voice assistants: Modern models (e.g., Roborock) S8 Pro Ultra use cloud services to recognize voice โ€“ any changes could disrupt their work.

But enthusiasts are finding workarounds, one of which is replacing audio files with modified firmware, but it requires a lot of technical knowledge and sets the stage for other problems that we'll talk about later.

๐Ÿ“Š You would like your robot vacuum cleaner to swear?
Yeah, that would be funny.
No, it's inappropriate.
If only it was an official function.
I don't care.

Method 1: Replace voice packets (for advanced users)

The most radical method is to hack the firmware and replace standard audio files with voice messages with your own, which is suitable for models based on Rockchip or Qualcomm chips (for example, Xiaomi Mi Robot Vacuum-Mop 2 Pro or Roborock S7).

  1. Download modified firmware from forums like 4PDA or XDA Developers. Look for versions marked custom voice pack.
  2. Connect to the robot on SSH (If the model supports it. This will require: adb connect 192.168.x.x adb shell (where) 192.168.x.x โ€” IP-vacuum address on your network).
  3. Find the folder with the audio files. Usually it's /system/media/audio/tts/ or /vendor/tts/.
  4. Replace your files with your own (.ogg or.wav format, bitrate is not higher than 64 kbit / s).
  5. Reboot the device with the reboot command.

โš ๏ธ Note: Not all models support SSH-For example, Roborock. S8 It blocks those connections at the core level, and then when you update the firmware, all the changes will reset.

Make a backup of the original firmware |

Check the compatibility of the model with modified firmware |

Prepare audio files in the correct format (mono, 16 kHz) |

Make sure the robot is connected to a stable power source|

Have a recovery tool on hand (e.g. Mi Home Debug Tool)-->

Method 2: Using third-party applications (without hacking)

If you're not willing to risk firmware, you might want to do a trick of swapping out voice notifications at the smartphone level.

  • ๐Ÿ“ฑ Android smartphone with root access (or iPhone with jailbreak).
  • ๐Ÿ”Š App to change system sounds, such as Zedge or Ringtone Maker.
  • ๐ŸŽค Pre-recorded audio files with โ€œobsceneโ€ phrases in notification format.

Algorithm of action:

  1. In the Mi Home app, turn off the robotโ€™s standard voice alerts.
  2. Set up automatic playback of your audio files when you receive push notifications from the vacuum cleaner (via Tasker or Automate).
  3. Synchronize sounds with events (e.g. file) clean_finished.ogg will be played out when cleaning is completed).

โš ๏ธ Note: This method only works if the robot sends notifications to the phone. for models without a cloud connection (for example, Xiaomi Mi Robot Vacuum). 1S) he's useless.

๐Ÿ’ก

To record a realistic voice for a vacuum cleaner, use services like ElevenLabs or Murph.ai, which allow you to clone your voice and add emotional coloring, including โ€œangerโ€ or โ€œirritation.โ€

Method 3: Voice assistant with humor (official workaround)

If you just want to diversify your conversation with the robot, you can use the integration with voice assistants (Alice, Google Assistant, Siri), some users set up automatic responses via IFTTT or Yandex Dialogs, so that the assistant "comment" on the actions of the vacuum cleaner.

An example of setting up for Alice:

  1. Create a script in Yandex Smart Home with the trigger โ€œRobot has completed cleaningโ€.
  2. Add the "Say a Phrase" action and type in the text like, "Finally, lazy! I'm done here half an hour!"
  3. Adjust the assistant's voice to maximum expressiveness.

Now, it's not a real checkmate, but it's safe and it doesn't require hacking, and you can add humorous lines to anything from the start of cleaning to the battery drain.

MethodDifficultyRisks.Compatibility
Replacement of audio files in firmwareโญโญโญโญโญLoss of warranty, brick of deviceXiaomi Mi Robot 1-2 gen, Roborock S5-S7
Substituting notifications on the phoneโญโญโญIt doesn't work without the Internet.Any model with a cloud connection
Voice Assistant (Alice/Google)โญโญLimited functionalityAll models integrated with a smart home
Modified firmware (e.g. Valetudo)โญโญโญโญDisruption of laser/sensorsRoborock S5/S6, Xiaomi STYJ02YM

What happens if a robot vacuum cleaner actually starts to swear?

Imagine you've turned on the cleaning, and an hour later you hear from the kitchen, "Oh, my God, it's stuck again!" It sounds funny, but in practice, it can lead to unexpected consequences:

  • ๐Ÿ‘ฎ Problems with the law: In some countries (such as Singapore or the UAE), public use of obscene language is punishable, even if the source is a household device.
  • ๐Ÿ‘ต Awkward situations: A robot may start swearing in front of guests, children, or co-workers (if you hire it to work).
  • ๐Ÿ”ง Technical failures: Incorrectly replaced audio files can cause freezes or errors in the vacuum cleaner.
  • ๐Ÿ“‰ Resale value drop: Buyers unlikely to want to buy a "scolding" device.

Xiaomi can also remotely lock the device if it detects unauthorized changes to the firmware, including cloud-based models such as the Roborock S8 Pro Ultra.

A real case from practice
V 2021 year-user @mad_robot forum 4PDA He posted a modified firmware for Xiaomi Mi Robot Vacuum-Mop P with "greater" voice packets. A week later, his Mi Home account was banned and the robot stopped responding to commands. As it turned out later, Xiaomi tracks firmware integrity through cloud checks.

Alternatives: how to diversify communication with a robot without a mat

If the goal is simply to make interaction with the vacuum cleaner more fun, there are safer ways to do this:

  • ๐ŸŽญ Change your voice: In some models (e.g. Roborock) S7 MaxV can be used to select a male/female voice or even a childโ€™s voice.
  • ๐ŸŽถ Add Music Notifications: Upload your event tunes to the Mi Home app (available for firmware versions 3.5.8 and higher).
  • ๐Ÿค– Set up humorous answers through IFTTT. Like, "The cleaning is done! Now it's your turn to do the dishes, lazy man!ยป.
  • ๐ŸŽฎ Use voice packs from games: Some users replace system sounds with replicas from Portal ("Cleaning is fun!") or Fallout ("Again that shitty carpet!ยป).

For models with Valetudo support, you can even add your own Python scripts that will voice the cleaning status with the voices of famous characters.

import random


import os





phrases = [




"audio/start_cleaning.mp3",




"audio/almost_done.mp3",




"audio/need_help.mp3"




]





os.system(f"aplay {random.choice(phrases)}")

๐Ÿ’ก

Any changes to voice packets are firmware interference, and even if you use "clean" humorous phrases, the warranty on the device will be void.

Xiaomi models that are the easiest to modify

Not all robot vacuum cleaners are equally open to experimentation, and here is a list of models for which working methods for changing voice packets exist (according to the Valetudo community for 2026):

ModelChipsetSupport for SSHPresence of custom firmware
Xiaomi Mi Robot Vacuum 1 (STYJ02YM)Rockchip RK3229Yes (port 22)Valetudo, OpenMiHome
Roborock S5 (T4)Qualcomm APQ8053Yeah (patch required)Valetudo, DustBuilder
Xiaomi Mi Robot Vacuum-Mop 2 ProRockchip RK3308Partially (root only)Modified voice packets
Roborock S6 PureQualcomm SDM660No.Only through cloud hackers.

For new models (for example, Roborock S8 Pro Ultra or Xiaomi Robot Vacuum-Mop 2 Ultra), such modifications are not yet possible due to the enhanced protection of the bootloader.

FAQ: Frequent questions about 'scolding' robot vacuum cleaners

โ“ Can I return original voice files after replacement?
Yes, but only if you've done a backup of the firmware beforehand, and you can use a tool like the Mi Home Debug Tool or the Rockchip Batch Tool, and without the backup, you'll have to re-flash the device from scratch, which can lead to a loss of sensor calibration.
โ“ Will the robot swear in Russian?
It depends on what audio files you use. You can find ready-made packages with Russian-language โ€œdumbโ€ replicas on forums, but their quality often leaves much to be desired. For realistic sound, it is better to record your voice yourself in the studio or using neural networks (for example, Respeecher).
โ“ Can Xiaomi remotely turn off my vacuum cleaner for modification?
Theoretically, yes, the company has the right to lock a device if it's connected to the Mi Home cloud and there's signs of hacking, so to avoid that, turn off the vacuum cleaner from the Wi-Fi or use local firmware like Valetudo, which doesn't require authorization.
โ“ Is there a legal way to add humorous lines?
There's no direct way, but you can use workarounds: Set Alice or Google Assistant up to voice cleaning statuses. Use external speakers (like Xiaomi Smart Speaker) that play your audio files on vacuum triggers. Install the AutoVoice app on your phone and link it to notifications from Mi Home. These methods are both warranty-free and reversible.
โ“ Which models cannot be modified exactly?
The list of untouchable models (as of 2026): Roborock S8/S8 Pro Ultra โ€” locked bootloader. Xiaomi Robot Vacuum-Mop 2 Ultra โ€” protection at the level of the MediaTek MT8516 chipset. All models with the prefix โ€œLDSโ€ in the title โ€” use proprietary communication protocols.