How to set up a Xiaomi smart watch 4C: Complete guide from synchronization to personalization

Introduction: Why set up Xiaomi 4C and what they do.

Smart watch Xiaomi Mi Band 4C — It is a budget but functional fitness tracker that can replace traditional wristwatches, pedometers and even part of the functions of the smartphone. Despite its compact size and modest price, the device supports activity tracking, sleep monitoring, call and text notifications, and music management.

Many users are struggling with the first synchronization phase: the watch doesn’t connect to the phone, shows the wrong time or displays notifications. In this article, we’ll look at all the stages of settings, from basic smartphone binding to fine-tuning the screen and functions. We will pay special attention to the typical errors that interfere with the stable operation of Xiaomi. 4C, And give practical advice on how to eliminate them.

It is important to understand that the Mi Band 4C It works in conjunction with the official Mi Fitness app, which is the Mi Fit app, and without it, the watch becomes a limited-function pedometer, so the setup doesn't start with the watch itself, it starts with the preparation of the smartphone. If you've tried to sync your device and you've had problems, don't rush to reset your settings. 90 percent of the time, the solution is on the surface.

Preparation for the setup: what will be needed

Before you start syncing, make sure you have everything you need. Here's the minimum set:

• 📱 Smartphone on Android 6.0+ or iOS 10.0+ (iPhone will require additional permissions).
• 🔋 Xiaomi Charged Watches 4C (At least 20% of the battery, otherwise the synchronization may be interrupted).
• 📲 Mi Fitness app (you can download it from Google Play or App Store).
• 🔄 Stable Internet connection (Wi-Fi or mobile Internet) for downloading firmware updates.

If you use an iPhone, consider: Xiaomi functionality 4C iOS is limited, for example, you can't answer your phone's phone calls from the clock or control music on your phone, and iPhones often have trouble with notifications, which you'll have to manually adjust in the Settings menu. → Notifications → Mi Fitness.

⚠️ Note: If you have previously used other Xiaomi smartwatches (e.g. Mi Band) 3/4/5), pre-connect 4C Remove them from the Mi Fitness app. Multiple devices running simultaneously can cause synchronization conflicts.

Also check if Bluetooth and geolocation are enabled on your smartphone (the latter is needed for the correct display of the weather and some workout functions). Android may additionally require permission to autorun the Mi Fitness app - without it, the clock will switch off from the phone in the background.

Synchronization of Xiaomi 4C with the phone: step-by-step instructions

The process of linking the watch to the smartphone takes no more than 5 minutes, if done correctly.

1. Install the Mi Fitness app and open it. You will need to register a Xiaomi account when you first start (you can use Google, Facebook or email).
2. Click on the profile icon (in the upper right corner) and select Add Device.
3. Choose a model - Mi Smart Band 4C (Not to be confused with Mi Band 4!).
4. Allow access to notifications, contacts, and geolocation (android may also require permission to make phone calls).
5. Put the watch to the phone, and it's supposed to vibrate and display the confirmation code, compare it to the code in the app, and confirm the bundle.

If the clock is not located or the code is not displayed:

• 🔄 Reboot Xiaomi 4C (Press the touch button for 10 seconds until the Mi logo appears).
• 📱 Restart Bluetooth on your phone.
• 🔧 Make sure there are no restrictions on the phone’s settings for the Mi Fitness app (e.g., Android battery optimization).

After successful synchronization, the watch will automatically update the time and date, and download basic user data (gender, age, weight). 4C No change, check the time zone in the Mi Fitness app (Profile) → Settings of the device → Time).

Set up the main parameters: time, date, user profile

Once synchronized, you need to configure the personal data that counts calories, steps, and sleep.

1. Open Mi Fitness and go to Profile → Mi Smart Band 4C.
2. Select Personal Information and specify: 👤 Gender (affects activity norms). 📏 Height and weight (needed to calculate calories). 🎂 Date of birth (determines target pulse for exercise).

• ⏰ Time zone (must coincide with the phone).
• 🌙 Time format (12/24 hour).
• 📅 Date format (day/month or month/day).

A critical mistake many users make: ignoring personal data leads to incorrect steps and calories counting, for example, if you put 50 kg instead of 80 kg, the watch will understate energy consumption by 30-40%.

You can also set up in this section:

• 🛌 Sleeping goal (recommended 7–9 hours).
• 🚶 Step-by-step goal (default 10,000, but can be reduced to 5,000 for beginners).
• ❤️ Heart rate notifications (turn on if you want to receive high pulse warnings).

⚠️ Warning: If you wear a watch on your right hand, change the Hand setting in Mi Fitness.The default is the left hand, and the wrong choice can distort sleep and activity data.

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To quickly change the goal in steps, tap the screen of the clock and hold 2 seconds – a menu with settings will appear.

Notifications and Calls: How to Set Up Alerts

One of the key functions of Xiaomi 4C — call-in, SMS And messaging, and notifications are disabled by default, so you have to manually configure them.

For Android:

1. Open Mi Fitness and go to Profile → Mi Smart Band 4C → Notifications.
2. Turn on the Call Notification and Notifications from the apps switch.
3. Click Notification Management and select the apps you want to see on your watch (e.g. WhatsApp, Telegram, Viber).
4. In the phone settings (Settings) → Annexes → Mi Fitness → Notifications: Allow notifications to be displayed without sound (otherwise they will be duplicated).

For the iPhone:

• 📱 Go to Settings. → Notifications → Mi Fitness.
• 🔔 Enable Notifications and select Banner Style.
• ⚠️ On iOS, notifications only work for calls and SMS. Notifications from messengers are not supported!

To test notifications, ask a friend to send you a message or call. on Xiaomi screen 4C The contact name (if it is stored in the phone) and the text of the message (the first 20-30 characters) should appear:

• 🔄 Restart the clock and phone.
• 📵 Make sure Bluetooth doesn’t turn off in the background (on Android, check battery settings).
• 🔧 In Mi Fitness, update the firmware of the watch (Profile) → Mi Smart Band 4C → Firmware update).

Fitness functions: training, pedometer, pulse

Xiaomi 4C Supports tracking of 5 activities: walking, running, cycling, gym and swimming (with restrictions) to start training:

1. On the clock screen, swipe up to open the menu.
2. Select the Training icon (Running Man icon).
3. Touch the right type of activity and confirm the start (the clock vibrates).
4. After training, click on the screen to save the results.

The training data is automatically synchronized with Mi Fitness, where you can view:

• 📊 Pulse schedule (if heart rate monitoring is enabled).
• 🏃 Distance travelled and average speed.
• 🔥 Calories spent (calculated based on your weight and height).

For accurate tracking of steps:

• 👟 Wear your watch on your non-dominant hand (if you are right-handed, on your left, and vice versa).
• 📱 Sync your phone data regularly (manually or automatically when connected).
• 🔧 In Mi Fitness, calibrate the pedometer: walk 20-30 steps, compare the indicators of the watch and phone, adjust the step length if necessary.

⚠️ Attention: Monitoring of heart rate on Xiaomi 4C It's not a medical device, it can be 10 to 15 percent different from professional equipment.

Personalization: dials, vibration, brightness

Xiaomi 4C It supports interchangeable dials, but the choice is limited compared to more expensive models:

1. Open Mi Fitness and go to Profile → Mi Smart Band 4C → Dials.
2. Choose your favorite option and click Sync.
3. Wait 10-20 seconds – the clock vibrates and the dial is updated.

Available personalization settings:

• 🎨 Dials: 5-7 free options (analog, digital, weather-friendly).
• 🔦 Screen brightness: 3 levels (medium for battery saving recommended).
• 🔔 Vibration: strength and duration (you can turn off completely).
• 🔒 Screen lock: turn on to avoid accidental taps.

If you don’t have enough standard dials, you can install third-party dials through apps like Notify & Fitness for Mi Band (requires Android and root rights or a new version of the phone). ADB). However, this is an informal method and it can cause clock failures.

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Replacement dials do not affect the autonomy of Xiaomi 4C — energy consumption depends only on the frequency of synchronization and on pulse monitoring.

Reset and flashing: what to do if the clock is glitzy

If Xiaomi 4C started to work unstable (do not sync, do not respond to presses, show errors), try resetting the settings:

1. Open Mi Fitness and go to Profile → Mi Smart Band 4C → Untie the device.
2. Confirm the decoupling and wait for the process to be completed.
3. On the watch itself, perform a hardware reset: 1. Press the touch button for 10 seconds until the Mi. 2 logo appears. Release the button and press again for 5 seconds - the watch vibrates and resets.
4. Reconnect the clock as you did when you first set it up.

If the reset didn’t help, try updating the firmware:

• 📱 In Mi Fitness, check for updates (Profile) → Mi Smart Band 4C → Firmware update).
• 🔌 Make sure your watch is at least 50 times charged%.
• 📶 Connect your phone to Wi-Fi (mobile internet updates may interrupt).

⚠️ Warning: Don't interrupt the firmware update process! if Xiaomi watches 4C If they turn off during installation, they may stop turning on. ADB (Only for experienced users).

If neither reset nor update solves the problem, check:

• 🔋 Battery state (when the battery wears off, the watch can spontaneously turn off).
• 💧 Moisture intake (despite protection) IP68, Long-term exposure to water can damage contacts).
• 📡 Interference from other devices (e.g. wireless headphones on the same Bluetooth frequency).

Frequently Asked Questions (FAQ)