Can you reflash Xiaomi vacuum cleaner to swear at the mat?

The idea of making a Xiaomi robot vacuum cleaner swear when it crashes into furniture or gets stuck is tempting, especially for fans of out-of-the-box jokes. But in practice, it's a challenge with a lot of pitfalls, from technical constraints to the risk of turning an expensive gadget into a "brick." In this article, we'll look at what can be done with vacuum cleaner firmware, what methods exist (and whether they work), and legal alternatives for customizing voice notifications.

We warn you right away: the manufacturer does not provide for the possibility of changing the system voice packets at the firmware level. All the “hacks” that are written about on the forums are either outdated or require a deep knowledge of reverse development and work with the software. MIOT Yet there are ways to add humor to the interaction with a vacuum cleaner without risking it breaking forever.

If you do decide to experiment, remember that any unofficial firmware is warranty-free and can lead to irreversible damage to the Wi-Fi module or the main board. In 90% of cases, the "hard" firmware that is distributed on the network is either fakes or viruses masquerading as modified software. Next, a detailed analysis of all available methods, from the safest to the most risky.

Why Xiaomi vacuum cleaner can not “burden” by default

All Xiaomi Robot Vacuum-Mop 2 Pro models (including Mi Robot Vacuum-Mop 2, S7, P10 And others use a closed ecosystem of voice notifications, and voice packets are stored encrypted on the company's servers and downloaded when you first connect to the Mi Home app, and these are key reasons why you can't just replace them:

1. Closed protocol MIOT: The vacuum cleaner communicates with the app through a proprietary protocol that is not documented for third-party developers. Even if you access the firmware files, it is almost impossible to decrypt and change voice data without the keys from Xiaomi.

2. firmware signature: All official updates are digitally signed. Any modification of the files will result in a verification error when you try to install, which can only be avoided through exploits in older versions of the software (for example, for the 2018-2019 models), but they have long been closed in new firmware.

3. Legal restrictions: In some countries (including Russia), the distribution of modified software with obscene language may qualify as a violation of information protection law.

But enthusiasts find workarounds. And then there's the next one.

Ways to customize voice notifications: from safe to extreme

If the goal is simply to diversify the vacuum cleaner response, you don't have to go into firmware.

• 🔊 Replacing voice packets via Mi Home: The official way to change language or voice (e.g. female/male) works without risks, but the choice is limited to standard options.
• 🎤 Use of third-party applications: Some programs (such as Home Assistant) allow you to intercept vacuum cleaner notifications and play your sounds.
• 🔧 Modification of the firmware through ADB: For older models (until 2020), there are instructions on connecting via Android Debug Bridge and replacing sound files.
• ⚠️ Flashing through JTAG: The extreme method, which requires soldering and chips, only applies if the vacuum cleaner is no longer warranty and you're ready to lose it.

The most realistic option for most users is the second item, for example, with Home Assistant you can set up automatic playback of any audio file when you receive a notification from the vacuum cleaner (for example, "Stuck!" or "Battery is discharged").

Method 1: Replace voice notifications via Home Assistant (no risk to vacuum cleaner)

If you have a Home Assistant-based smart home system set up, you can intercept events from the vacuum cleaner and play your sounds through speakers (like Google Nest or Yandex Station).

1. Install Home Assistant on a Raspberry Pi or other server.
2. Connect the Xiaomi vacuum cleaner through Xiaomi Miio integration.
3. Create automation that responds to events (e.g., stuck or error).
4. Add the action of playing the audio file through media_player.

Example of code for automations.yaml:

Alias: "Vacicine stuck - swearing"


trigger:




platform: state




entity_id: vacuum.xiaomi_vacuum




to: "stuck"




action:




service: media_player.play_media




target:




entity_id: media_player.yandex_station




data:




media_content_id: "/local/swear.mp3"




media_content_type: "audio/mpeg"

Where can you download the right audio files? You can record your voice or use speech generators (for example, Balabolka with Ivona voices), the main thing is to save the files in the format. MP3 with a bitrate not higher than 128 kbit / s, so that there are no delays.

Install Home Assistant on the server|Connect the vacuum cleaner through Miio integration|Download or record audio files|Create automation for events|Test the job-->

Pros of the method:

• ✅ No risk to vacuum cleaner – changes are made on the smart home side.
• ✅ You can use any sound, including swear sounds (but remember about ethics and the law!).
• ✅ It works on all Xiaomi models, including new ones.

Cons:

• ❌ Requires Home Assistant Setting Skills.
• ❌ Additional devices (speakers, server) are needed).
• ❌ The sound will not be played from the vacuum cleaner, but from the column.

💡

If you don’t have a Home Assistant, but you have a Yandex Station or Google Home, you can use the service. IFTTT For example, when you get a notification from a vacuum cleaner in Mi Home, send a command to play back sound.

Method 2: Modification of the firmware through ADB (only for old models)

This method is suitable only for vacuum cleaners Xiaomi first generation (for example, Mi Robot Vacuum). 1S Mi Robot Vacuum 2, released before 2020, and Xiaomi has closed the possibility of connecting to the new models. ADB, So the method is irrelevant.

If you have an old model, the algorithm is:

Commands for connection:

adb connect 192.168.. (IP vacuum cleaner address)


adb shell




su




mount -o rw,remount /system




cd /system/media/audio




ls

In this folder you will find files like error.ogg, stuck.ogg, etc. You can replace them with your own, but note:

• 🔊 The format should be OGG with the same parameters (bitrate, sampling frequency).
• 🔧 File rights must be set to 644 (readable for all, written for root only).
• ⚠️ After restarting, the vacuum cleaner can return standard sounds if the firmware checks the integrity of the files.

⚠️ Note: On Xiaomi models after 2020 (e.g., on the market, S7, P10) try-out ADB The manufacturer added unauthorized access protection, and the vacuum cleaner will simply stop responding to commands until it has re-flashed the official software.

Method 3: Flashing through JTAG (last resort)

If you are ready to go to extreme measures and you have experience with a soldering iron, you can try to connect to the vacuum cleaner memory chip through the interface. JTAG. This will allow you to read and write data directly, bypassing all software protections.

This will require:

• 🔧 The soldering station and the wires of "father-mother».
• 💻 Programming (e.g. J-Link or ST-Link).
• 📄 Firmware dump (it must be drained from the working device beforehand).
• 🔍 The scheme of the fee plotting (for each model its own!).

The process looks like this:

1. Disassemble the vacuum cleaner and find connection points JTAG (usually near the main processor).
2. Solder wires to contacts TDI, TDO, TMS, TCK and GND.
3. Connect the programmer and read the current firmware.
4. Find audio files in the dump (usually in the section) /system) and replace.
5. Put the modified firmware back in.

The success rate is about 30 percent.

• 🔥 Overheating of chips during soldering (especially on compact boards of new models).
• 🚫 Blocking the bootloader after a failed recording.
• 🔄 Loss of sensor calibration (vacuum cleaner will ride crooked or not see obstacles).

⚠️ Attention: The forums often feature “ready-made mat firmware” for Xiaomi vacuum cleaners, which are either older versions of software with vulnerabilities or files with viruses in 99% of cases, and neither of them guarantees that it will work after installation. If you do decide to experiment, use a virtual machine to analyze files before firmware.

Alternative ways of "talking" vacuum cleaner

If you do not want to take risks, but you really want the vacuum cleaner to communicate more fun, there are legal and safe alternatives:

• 🎭 Voice assistants: Adjust Alice or Google Assistant to respond to vacuum notifications. For example, when you say "Cleaning is complete," the assistant might say, "Well, finally, lazy!»
• 📱 Parody apps: Google Play has apps like Vacuum Simulator that mimic the voice of a vacuum cleaner with humor, and you can run them in parallel with real cleaning.
• 🎬 Stickers and stickers: A simple but effective way to do this is to put funny words or memes on a vacuum cleaner, like, "Don't disturb, I'm working!" or "Your master is a lazy ass».
• 🔊 External speaker: Connect a Bluetooth speaker to the vacuum cleaner and play sounds through it (for example, via Tasker on Android).

The easiest and fun way to do this is to create a Telegram bot that will send you humorous notifications from the vacuum cleaner.

🚨 [14:30] Vacuum: "Stuck under the couch. Again. Will you ever clean it up here?"




🔋 [15:00] Vacuum: “Recharging 10If I die, it will be your fault.”

This requires:

1. Create a bot through @BotFather.
2. Integration with Mi Home through IFTTT or Home Assistant.
3. Write a script that will convert standard notifications into funny ones.

Table: Comparison of methods of customization of voice notifications

💡

The most secure and versatile way is to use a Home Assistant or IFTTT It's designed to play sounds through external devices, and it doesn't require any firmware intervention, and it works on all models.

Frequent Mistakes and How to Avoid Them

If you still decide to modify the firmware, here are typical errors that lead to a breakage of the vacuum cleaner:

• 🔌 Power outage during firmware: Even a brief power outage can damage the bootloader.Always use UPS.
• 📁 Incorrect File Rights: After replacing audio files through ADB You need to set the license 644, otherwise the vacuum cleaner will not see them.
• 🔊 Incompatible audio format: Files must be in OGG You can use Audacity to convert.
• 🔄 Failure to comply with the firmware version: Forum firmware for Mi Robot Vacuum 1 is not suitable for S7. Always check for compatibility.
• 🛠️ Sales without experience: When working with JTAG It's easy to damage the boardways if you've never soldered. SMD-components, it is better not to risk.

If the vacuum cleaner stopped turning on after an unsuccessful firmware:

1. Try resetting it to factory settings (press the power button for 10-15 seconds).
2. If it doesn’t help, connect with it. UART (through TX/RX Contacts) and try to fill in the official firmware.
3. In extreme cases, contact the service center, but do not say that you tried to sew it - this will deprive you of warranty.

FAQ: Answers to popular questions