Xiaomi MiCloudSync: what kind of service is it, how it works and how to configure it

MiCloudSync is one of those Xiaomi services that users hear about but don’t always understand how it works and why. If you’ve ever noticed that contacts, notes or photos automatically appear on a new Xiaomi smartphone after logging in to your account, it’s his credit. It’s built into the MIUI ecosystem and works discreetly, but it performs critical functions.

In this article, we will explore what MiCloudSync is, how it differs from the standard Mi Cloud, what data syncs between devices, and why setting it up can save you hours when you switch to a new gadget, and how to turn on or off sync, what problems can arise and how to solve them. If you use a smartphone, tablet or even a Xiaomi laptop, this information will be useful.

What is MiCloudSync and how is it different from Mi Cloud?

Many people confuse MiCloudSync with Mi Cloud, Xiaomi’s cloud storage, where you can back up files, photos and documents, but they are actually two different services, although they are closely integrated:

• 📱 Mi Cloud is a classic cloud where your data (photos, videos, backups) is stored. Available via a web interface or application.
• 🔄 MiCloudSync is a real-time synchronization mechanism between Xiaomi devices that doesn't store data, it only transfers it between devices.

In simple terms, Mi Cloud is a warehouse, and MiCloudSync is a courier that delivers your data across devices, for example, if you add a contact on your smartphone, it will instantly appear on your Xiaomi Pad tablet thanks to MiCloudSync, not because it is in the cloud.

It’s important to understand that the service only works within the Xiaomi ecosystem. If you have a Redmi smartphone and a MacBook laptop, sync through MiCloudSync will not work – it will require Mi Cloud or third-party services like Google Account.

What data is synchronized by MiCloudSync

The service supports synchronization of multiple data types, and here is the full list.

MiCloudSync does not sync SMS, call log and files (photo/video) – Mi Cloud or Google Drive is used for this. The service does not work with third-party applications (such as WhatsApp or Telegram) unless they are integrated into MIUI.

The speed of synchronization depends on the quality of the Internet connection. With good Wi-Fi or 4G/5G, changes are applied almost instantly (within 1-2 seconds).

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To speed up synchronization, turn on Wi-Fi on both devices and turn off traffic saving mode in the MIUI settings.

How to Enable and Configure MiCloudSync

By default, the service is activated on all Xiaomi devices when you first sign in to your Mi Account. However, if sync is not working or you want to change your settings, follow this instruction:

1. Open the settings on your smartphone.
2. Go to the Mi Account (or Mi Account) section.
3. Choose Mi Cloud (Cloud).
4. Scroll down and press Sync (MiCloudSync).
5. Activate the switches next to the types of data you want to sync.

If Sync is not available, upgrade MIUI to the latest version or check if you are logged in to Mi Account. On some firmware (e.g., the global version for Europe), the name of the item may differ - look for Sync or Cloud Sync.

Sign in to one Mi Account on both devices |

Enable Wi-Fi or mobile internet |

Activate synchronization for the desired data types |

Reboot devices if changes do not apply|-->

On Xiaomi Pad tablets and Xiaomi Book laptops, the path to settings may be different, but the logic is the same: first login to Mi Account, then enable sync in the cloud partition.

⚠️ Note: If you use custom firmware (like LineageOS or Pixel Experience), MiCloudSync won’t work – the service is tightly integrated with the original one. MIUI.

MiCloudSync Problems and Solutions

Sometimes users find that the sync is not working or is not working properly, and here are the most common problems and ways to fix them:

• 🔄 Data not updated: Check the Internet connection on both devices. If you are using a mobile network, make sure that traffic saving mode is not activated (Settings) → Connections → Saving traffic).
• 🔒 Unable to log in: It may be that the device has unofficial firmware installed or blocked access to Xiaomi servers (relevant to China.
• ⏳ Sync takes too long: Clear the Mi Cloud app cache (Settings) → Annexes → Application management → Mi Cloud → Clear the cache).
• 📵 Device does not appear in the sync list: Make sure it has the option to Show this device in Mi Cloud (in account settings) enabled).

If neither of these methods worked, try logging out of Mi Account on both devices, restarting them, and re-signing in, and 90 percent of the time, that solves the problem.

Another common mistake is mismatching MIUI versions on devices: If one smartphone has MIUI 14 and the other has MIUI 12, synchronization may not work well, in which case update the firmware to the latest version.

Security and privacy in MiCloudSync

Many users are concerned about data security when using MiCloudSync.

• 🔐 Encryption: All data is transmitted via a secure protocol HTTPS coded AES-256 (The same standard is used by banks).
• 🌍 Storage: Xiaomi servers are located in several countries (China, Singapore, USA, Germany). For users from Europe and Russia, data is stored on servers in Germany.
• 👁️ Access: Only you can view and edit synchronized data. Xiaomi employees do not have access to your contacts or notes.

If you don’t trust cloud services, you can turn off sync for sensitive data (such as password notes) and use local storage, but you lose the convenience of automatically transferring information between devices.

⚠️ Note: When you reset your smartphone to factory settings, all MiCloudSync data will be deleted from the device but stored in the cloud. To return it, you just need to log in to Mi Account again.

For additional protection, enable two-factor authentication in Mi Account settings.This will prevent unauthorized access to your account even if someone learns the password.

MiCloudSync on smart watches and fitness bracelets Xiaomi

The service works not only between smartphones and tablets, but also with Xiaomi wearable devices such as:

• ⌚ Xiaomi Watch 2 Pro, Watch S3 — synchronize notifications, health data (pulse, steps), dial settings.
• 🏃 Mi Band 8, Mi Smart Band 7 – transfer information about physical activity, sleep, stress.
• 🎧 Xiaomi Buds 4 Pro – save gesture settings and sound profiles.

To sync wearables, you need the Mi Fitness app (or Zepp Life for new models) and the data first enters the app and then spreads through MiCloudSync to other gadgets. For example, if you measure the pulse on the Mi Band 8, you can see this data in the Health app on the Xiaomi Pad 6 tablet.

Importantly, not all smartwatch models support full synchronization, for example, the Xiaomi Watch S1 only transmits basic data (time, notifications), and advanced health metrics are only available in the Mi Fitness app.

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For wearables to sync through MiCloudSync, they must be linked to a single Mi Account and connected to a smartphone with the latest version of MIUI.

MiCloudSync Alternatives: When to Use Other Services

While MiCloudSync is convenient for owners of multiple Xiaomi devices, in some cases it is better to use alternatives:

• 📱 Google Account: If you have Android devices from other brands (such as Samsung or OnePlus), syncing through Google will be more versatile.
• 🍎 iCloud: It makes sense for iPhone or Mac users to use Apple’s ecosystem.
• 🔗 Third-party services: For notes, Evernote or Notion, for contacts, Sync.com or Proton Contacts (if privacy is important).

The main advantage of MiCloudSync is its deep integration with MIUI, for example, it can synchronize the settings of the themes or wallpapers, which is not available in Google Account, but if you use devices of different brands, universal services will be more practical.

Also, consider that MiCloudSync does not have a web interface – data can only be managed through Xiaomi devices. If you need to edit contacts or notes from a computer, you should choose Google Contacts or Mi Cloud (via a browser).

FAQ: Frequent questions about MiCloudSync