Xiaomi Mi Robot Vacuum-Mop 1C Often causes confusion among buyers: what generation it belongs to, what differs from the popular ones 1S or 2C, And should we choose it in 2026, 1C — This is not an independent generation, but a modification of the basic model Mi Robot Vacuum-Mop (first generation), released specifically for the European market. Its key difference is support for 2.4 GHz Wi-Fi and full compatibility with the Mi Home app (unlike the Chinese versions, which require flashing).
In this article, we will discuss in detail:
- 🔍 Which generation Xiaomi belongs to? 1C Why is it often confused with 1S.
- 📊 Technical specifications and comparison with other models of the series (table with parameters).
- ⚙️ Features of firmware and compatibility with Russian Mi Home servers.
- 💰 The relevance of the purchase in 2026: whether to take 1C Or better yet, consider new models.
If you are planning to buy or have already bought Xiaomi 1C, But we're not sure about it, because this article will help you understand all the nuances, and we'll also answer the common questions: does it support zoning, can you upgrade the firmware to version? 2C, Why is the price lower than the price 1S.
1C — Is this the first or second generation?
The main confusion is that Xiaomi uses different notations for the same device depending on the region. 1C It is sold under the name Mi Robot Vacuum-Mop. STYJ02YM (or STYTJ02YM For versions with turbo mode, and in Europe and Russia - as Mi Robot Vacuum-Mop 1C. This is not the second generation, but a modification of the first, released in 2020.
For comparison:
- 📌 First generation: Mi Robot Vacuum-Mop (2019, model) STYJ02YM) — Basic version without Wi-Fi support for the international market.
- 📌 Modifications 1C: same platform, but with added Wi-Fi module and firmware for Mi Home.
- 📌 Second generation: Mi Robot Vacuum-Mop 2C/2S (2021 New processor, improved navigation and support 5 GHz Wi-Fi.
Thus, 1C — It's a first generation sawdust, not a line of its own. 1S, But it's different: 1S It is a second generation model (model) STYJ03YM) It has a more advanced laser rangefinder. LDS.
⚠️ Attention: In some Xiaomi stores 1C It is described as an “updated version”. 1S", But it's a marketing ploy. 1S technically superior 1C in all respects except the price.
Technical characteristics of Xiaomi 1C: table 1S and 2C
To understand what 1C It's different from other models, and we'll look at the key parameters in the table, and look at the processor, the types of navigation, and the wet cleaning capabilities, which are the top criteria for choosing.
| Parameter | Xiaomi 1C(STYJ02YM) | Xiaomi 1S(STYJ03YM) | Xiaomi 2C(STYJ05YM) |
|---|---|---|---|
| Generation. | 1st (modification) | 2nd | 2nd |
| Processor | Cortex-A7 (4 cores, 1.2 GHz) | Cortex-A35 (4 cores, 1.5 GHz) | Cortex-A35 (4 cores, 1.5 GHz) |
| Navigation | gyroscope + optical-sensor | laser LDS + gyroscope | laser LDS + gyroscope |
| Max. Suction force. | 2500 Pa | 2700 Pa | 3000 Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa Pa |
| Support for Wi-Fi | Only 2.4 GHz | 2.4/5 GHz | 2.4/5 GHz |
| Wet cleaning | Available (200ml reservoir) | Available (200ml reservoir) | Available (tank 250 ml) |
| Zoning at Mi Home | No. | Yes. | Yes. |
The table shows that 1C even loses 1S key-point:
- 🔴 No laser rangefinder – navigation is less accurate, there may be “sticking” in the corners.
- 🔴 No zoning – you can not set the cleaning of the rooms through the application.
- 🔴 Weaker processor – builds maps more slowly (if at all).
But 1C There are pluses:
- 🟢 Price for 30-40% lower than 1S/2C.
- 🟢 Simple design – easier to clean and repair.
- 🟢 Mi Home support out of the box (unlike the Chinese versions).
💡
Xiaomi 1C — It's a budget version of the first generation with Wi-Fi, but without advanced features like zoning or laser navigation.
Firmware and compatibility with Mi Home: how to avoid problems
One of the main reasons for the popularity of Xiaomi 1C In Russia, it is compatible with European Mi Home servers, unlike the Chinese versions (for example, the Russian version, STYJ02YM indexless 1C), This device doesn't require manual reflashing to connect to the app:
✅ What works out of the box":
- 📱 Connect to Mi Home via 2.4GHz Wi-Fi.
- 🗺️ Basic room map (but without preservation and zoning).
- ⏱️ Cleaning timers and manual controls.
❌ What's not working:
- 🚫 Zoning – you can not allocate rooms or forbidden areas.
- 🚫 Update the firmware through Mi Home (only manually).
- 🚫 Integration with Alice or Google Assistant without additional settings.
If you are critically important to these features, there are two options:
- Update firmware to version 1S/2C (risky, requires skill).
- Use alternative apps like Valetudo or DreameBot.
How to update the firmware Xiaomi 1C beforehand 1S?
⚠️ Attention: Buying Xiaomi 1C on AliExpress or in unofficial stores, check the firmware version (STYJ02YM without 1C) Reflashing to work with Mi Home, which may void the warranty.
Should I Buy Xiaomi? 1C In 2026, the pros and cons
In 2026, Xiaomi 1C It's only relevant for a limited range of tasks, so let's look at who's right for it and who's better off considering alternatives.
👍 Who's good for it? 1C:
👎 Who doesn't fit:
- 🏢 Large home owners (weak navigation, often lost).
- 🐕 Families with animals (no zoning for no-go zones").
- 📱 Those who want to integrate with a smart home.
Alternatives in the same price range (2026):
- 🔹 Xiaomi Mi Robot Vacuum-Mop 2 Lite – Laser Navigation, Zoning, Price ~25 000 ₽.
💡
If you have decided to take Xiaomi 1C, Look for firmware versions 3.5.8_003634 or newer – they fix bugs with connection to Mi Home on Russian servers.
Frequent problems Xiaomi 1C And how to solve them.
Even though the design is simple, 1C It's not without the typical problems. Here are the most common and the ways to fix them:
🔧 Problem 1: Does not build a map or drive chaoticly
- 🔹 Reason: Weak processor + lack of laser rangefinder.
- 🔹 Decision: 📍 Clean the room in good lighting (optical sensor works better). 🧹 Divide a large room into areas with furniture (e.g. chairs). 🔄 Reboot the robot by pressing the power button for 10 seconds.
🔧 Problem 2: Not connecting to Wi-Fi
- 🔹 Cause: Conflict with dual-band routers or old firmware.
- 🔹 Solution: Disable 5GHz on router (leave only 2.4GHz)|Reboot the router and robot|Reset the robot settings (button) RESET bottom-on)|Update the firmware through Mi Home (if available)|Use the access point from your phone (if the router is not supported)-->
🔧 Problem 3: Poorly collecting dust on carpets
- 🔹 Reason: Low suction force (2500 Pa) and no turbo mode for carpets.
- 🔹 Decision: 🧹 Pre-vacuum the carpet with a conventional vacuum cleaner. 🔄 Set the maximum suction mode in Mi Home. 🛠️ Clean the turbine and filter (clogged filter reduces power on the air) 30-40%).
⚠️ Warning: If the robot starts to make grinding noise when cleaning, turn it off immediately and check the side brush and the main turbine.
How to distinguish the original Xiaomi 1C fake
There are many clones of Xiaomi on the market 1C, They look similar in appearance, but they have weak engines and unstable firmware:
🔍 Indications of the original:
- 📦 Packaging: White box with Xiaomi hologram and barcode starting at 69 (China).
- 🔖 Serial number: Underbody sticker with code STYJ02YM or STYTJ02YM.
- 📱 Connection: Mi Home is displayed as Mi Robot Vacuum-Mop (without the words "Pro" or "Max").
- 🔋 Charging: The original power supply to 20V 0.6A (fake 19V).
❌ Signs of forgery:
- 🚩 The name of the model contains the words "Pro", "Max" or "Plus" (they are not in the official line).
- 🚩 Price below 12,000 ₽ (The original cannot be cheaper than the cost).
- 🚩 The set is a remote control (the original does not have it).
- 🚩 Chinese language firmware without the possibility of changing the region.
If you have already bought a robot and doubt its authenticity, check the firmware:
- Turn the robot over and find the button. RESET near the Wi-Fi indicator.
- Hold her on. 5 Seconds: The robot will say a firmware version (for example, 3.5.8_003634).
- Check it with the official versions on the Xiaomi website.