How to reflash the Xiaomi vacuum cleaner so that it will be fermented: the full guide

Many owners of Xiaomi smart appliances wonder if they can get their robot vacuum cleaner to say non-standard phrases, such as swearing at the mat or commenting on cleaning with sarcasm. The standard voice package preinstalled by the manufacturer is usually limited to polite phrases like "Start cleaning" or "clean the dust container," which quickly becomes boring.

The ability to change the deviceโ€™s speech opens doors to the world of personalized automation and just adds fun to the process of putting things in order, but for a robot vacuum cleaner to start โ€œfuckingโ€ or speaking in your voice, it will require intervention in software known as firmware or modification of the voice packet.

Itโ€™s worth noting that this procedure requires technical literacy and an understanding of the risks. Software intervention can lead to a loss of warranty or, in the worst case, turn the device into a brick. However, for enthusiasts, it is a great way to revive the gadget and make it a truly unique element of the smart home.

Risks and preparation for software modification

Before you start installing modified firmware, you need to understand all the potential consequences: any change in factory code or replacement of system files violates the integrity of the Xiaomi Vacuum software environment, which means that in case of errors, the system will not be able to automatically restore to factory settings without a complete reset.

The main risk is the possibility of getting a so-called bootloop, when the device is constantly restarted and does not start, and there is a risk of blocking the Mi Home account from the manufacturerโ€™s servers if they detect unlicensed software, so it is extremely important to have the original firmware on hand for rollback.

โš ๏ธ Warning: Installing third-party software completely cancels the official manufacturer's warranty. All actions you perform at your own risk, taking responsibility for possible failure of expensive equipment.

To make the modification successful, you will need a stable connection to a 2.4GHz Wi-Fi network, as most firmware methods are connected to a local network, and make sure that the deviceโ€™s battery is charged at least 80% so that the process does not interrupt at the critical stage of writing data to internal memory.

You have to download all the files you need in advance: the firmware image, the patching utilities, and the actual audio file with the "obscene" phrases. Storing backups is the golden rule of any modder. Without a backup, you can permanently lose the ability to return the device to its original state.

๐Ÿ“Š How much are you willing to risk a guarantee for fun?
I'm willing to risk it all.
Only if the risk is minimal.
I'm not ready. I'll buy a speaker.
I just want to read it for the sake of interest.

Selection of method: Root rights or voice replacement

There are two main ways to achieve this goal: full root rights (superuser access) or a softer method โ€“ replacing only the voice packet without deep interference with the core of the system. The first method gives full control of the device, allowing you to install third-party plugins and even change the logic of the engines.

The root-access method is more complex and dangerous, and often requires disassembling the case and connecting through the hull. UART-It allows you to incorporate any sound into any system event, making the vacuum cleaner swear when stuck or whistling joyfully when the map is completed.

The second method, which is just swapping audio files, is more secure and reversible, and in this case, you don't change the Android or Linux operating system on which the vacuum cleaner is based, you just replace the voiceover resources, which is ideal for those who just want to add mats but are afraid to "brick" the equipment.

  • ๐Ÿ”ง Getting root rights gives you complete control, but requires programming and soldering skills.
  • ๐Ÿ”Š Replacement of the voice pack is safe, reversible and suitable for most Xiaomi and Roborock models.
  • โš™๏ธ Using third-party patching utilities allows you to automate the process of introducing new sounds.

The choice of the specific method depends on the model of your device. For older models of the Xiaomi Vacuum 1 or Roborock S50 series, the procedures may differ from the current S5 Max or S7. Always look for instructions specific to your iron revision.

๐Ÿ’ก

Before you start any work, take a picture of the insides of the device and the circuitry for connecting the plumes, which will help you to collect everything back if you have to disassemble the vacuum cleaner to access the board.

Preparation of audio files and tools

The key to creating a "washing" vacuum cleaner is to prepare high-quality audio. You will need files in.wav or.ogg format, since these are the formats that support the built-in audio engine of most Xiaomi devices, you can write phrases yourself or use speech synthesizers with aggressive intonation.

It is important to follow the technical parameters of the audio: sampling frequency is usually 16000 Hz or 22050 Hz, mono mode, 16 bits. If the parameters are different, the vacuum cleaner will either not play the sound or will emit an unpleasant crack.

Once you write down the phrases, they need to be renamed according to the system event identifiers, for example, the file that starts cleaning can be called start_cleaning.wav, a file error โ€” error_stuck.wav. The exact names depend on the firmware version and model.

โ˜‘๏ธ Preparation of audio content

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To implement files, you will need a computer with Windows, macOS or Linux and Python installed if you use scripts for patching. Also, you may need an ADB (Android Debug Bridge) to transfer files over the network if the vacuum cleaner model is based on Android.

Installation process of modified software

Consider a popular method using a firmware patching utility, first downloading the original firmware for your model from an official server or a trusted mirrored resource. The file usually has the.pkg or.bin extension.

Then a script patcher starts, which unpacks the firmware, allows you to replace standard audio files with your โ€œhardโ€ versions, and collects the firmware back, at which point the control bags are recounted so that the system believes in the legitimacy of the updated file.

python patch_firmware.py --input original.pkg --output custom.pkg --audio-dir ./my_sounds

Once you have created custom.pkg, you need to place it in a special folder on the server (locally on the computer) or download it through a web interface if the model supports a local update. HTTP-server to vacuum cleaner "think" that downloads the update from the official server.

PhaseAction.Status of the systemDuration
1. DownloadDownloading the original firmwareStable.2-5 minutes
2. PatchingAudio replacement and reassemblyLocally on PC.1-3 minutes
3. PreparationPlacement of the file on the serverWaiting.1 minute
InstallationUpdate via vacuum cleaner menuCritically.5-10 minutes

At the time of installation (step 4), you should not interrupt the power or turn off the Wi-Fi router. The vacuum cleaner will restart several times, the indicators can flash orange - this is a normal process of writing new data to flash memory.

What to do if the vacuum cleaner is silent after the firmware?
If the device is working but there's no sound, check the file format. Often the problem is bitrate or file name. Also make sure the app settings don't turn volume to zero.

Setting up scripts and activating the mat

Once the firmware is successfully installed, the vacuum cleaner may not immediately start to "fuck"; it often requires the activation of new sounds through an application or special commands; in some modified firmware, a new menu appears in the device's web interface, available on the device's web interface. IP-address.

Going to the right place http://[IP-In the browser, you can go to the control panel, where you can assign specific audio files to specific events, and you can get creative, by putting an expletive on the event "Stuck" or "Disclosure of the containerยป.

If direct tuning is not possible, you can use integration with smart home systems like Home Assistant, which can capture vacuum statuses and broadcast any sounds through an external speaker synchronized with the robot, a safe method that does not require deep firmware.

  • ๐ŸŽ›๏ธ Use the web interface to fine-tune event triggers.
  • ๐Ÿ  Integration with Home Assistant allows you to use any sound from the Internet.
  • ๐Ÿ“ฑ Check the volume settings in the Mi Home app after the update.

Remember that humor is subjective. What's funny to you may not be acceptable to guests or children. Consider making a party mode and silence mode switch if your firmware or smart home system allows it to be implemented in software.

โš ๏ธ Warning: Don't use too long audio files. System memory buffers are limited, and trying to play a long tirade can cause the audio service to freeze or the device to restart.

Possible problems and solutions

You may encounter a number of difficulties in the process of modification, and the most common problem is that the vacuum cleaner refuses to see the update file, which is often due to a mismatch between the Global vs China version or the checksum of the file, in which case you need to double-check the hash amount of the collected firmware.

Another problem is the brick. If the vacuum cleaner burns orange after upgrading and doesn't connect to Wi-Fi, try slamming the reset or reboot buttons (usually by pressing two buttons simultaneously on the body), in extreme cases, you'll need a CH341A programmer and soldering to re-shoot the memory chip manually.

And you can also crash your room map, and after you've done the firmware, the vacuum cleaner can forget the map and start building it again, which is normal for major software updates, and just let it remove the entire area once, so it can rescan the space and save the coordinates.

๐Ÿ’ก

The main rule of modding is to always have original files and recovery tools on hand. The possibility of rollbacks will save you from buying a new device.

If the vacuum cleaner is not working properly (for example, the side brush is acting strangely), it is possible that the modified firmware contains errors in the drivers, in which case the only solution is to return to the factory version of the software through the Recovery Mode.

Alternative ways of personalization

If fiddling with firmware seems too risky, there are simpler ways to add personality, such as using external Bluetooth speakers that can be mounted on the case (if the design permits) and plugged into the phone while cleaning, triggering the desired audio stream.

Another option is to use smart sockets and scripts, and you can customize the scenario: when the vacuum cleaner starts cleaning, a Yandex Station or Google Home smart speaker will say the phrase that you've prepared, and it doesn't require any interference with the robot's hardware, and it's completely safe.

For advanced users, there is the VacuumZ project and other open-source solutions that allow you to completely re-write the logic of the device, turning it into a full-fledged server based on Linux, but this is the lot of professionals who are willing to spend hundreds of hours debugging the code.

Ultimately, the choice of method depends on your technical skills and willingness to experiment. The only way to get a truly unique device is to take responsibility for changing it. But remember, even without mats, your robot vacuum cleaner is an impressive piece of technology.

Is it safe to use modified firmware constantly?
While many users have lived with custom firmware for years, there is always a possibility of an update conflict or a vendor server failure that could block the functionality, and it is recommended to use such firmware only if you understand how to remove them.
Will the warranty fly off after such manipulations?
Yes, the warranty flies 100% of the time, service centers can easily determine whether root rights or a modified checksum of the system partition are available, and official support will deny free repairs, citing a violation of operating conditions.
Can we get it back to the way it was?
Yes, if you have saved the original firmware and you have access to recovery mode, a process called downgrade or re-flash, but if you damage the bootloader, recovery can require expensive hardware in the service.
Does this work on all Xiaomi models?
No. The methods are heavily dependent on the processor and the Android/Linux version inside. New models with a secure boot can be completely closed for modification, and firmware attempts will only result in locking the device.