How to turn on and configure Xiaomi Mi Band 4: instructions from charging to synchronization

The Xiaomi Mi Band 4 fitness bracelet remains one of the most popular gadgets for tracking activity even years after its release. AMOLED-The screen attracts both beginners and experienced users, but the first switch on the device can raise questions: how to charge the bracelet correctly, what buttons to press, how to connect it to a smartphone and avoid typical errors.

In this article, we will look at the process of turning on from scratch, from unpacking the box to setting up notifications, paying special attention to hidden functions that are not described in the official instructions, as well as solving common problems (for example, when the bracelet does not respond to touch or does not sync with your smartphone). If you just purchased the Mi Band 4 or pulled it out after a long downtime, this guide will help you avoid errors and start using the device as quickly as possible.

1.Preparation for the first turn on: what to do before charging

Before you connect the Mi Band 4 to charging, check the equipment and prepare the necessary accessories.

• 📦 Xiaomi Mi Band 4 bracelet with strap
• 🔌 Charging cable (with magnetic connector)
• 📄 Short instructions in several languages (often without Russian)

If the charger is missing or the bracelet looks damaged, don't plug it in. There may be battery or electronic problems. Also make sure you have:

• 📱 Smartphone on Android 5.0+ or iOS 10.0+ (for the Mi Fit application)
• 🔋 power supply (USB-computer port, charger 5V/1A)
• 🌐 Stable Internet connection (for downloading applications and updates)

Important: Mi Band 4 comes with a partial charge (about 20–30%), but before the first turn on, it is recommended to charge it to 100%.This will help calibrate the battery and avoid failures in the future. If the bracelet is discharged completely (the screen does not respond to pressing), connect it to charging for 30-40 minutes before trying to turn on.

Charging the bracelet: how to connect correctly and avoid errors

The Mi Band 4 charger is magnetic, but requires precise positioning to connect the bracelet to power:

1. Remove the capsule from the bracelet, pulling it from the strap (direction indicated by the arrow on the back).
2. Apply the capsule to the charging cable so that the contacts match (a click should be heard).
3. Connect the cable to USB-The bracelet will display a charge indicator (battery icon).

Errors in charging that can make the bracelet fail:

• ⚡ Use of unoriginal cable (may damage contacts or battery).
• 💧 Moisture on contacts during charging (even if the bracelet is waterproof, you can not charge it wet!).
• 🔥 Connection to power sources with higher voltage 5V (For example, fast charging for smartphones).

Capsule removed from strap |

Contacts of the bracelet and cable are dry and clean |

The original Xiaomi| cable is used

power supply — 5V/1A (USB-PC port or standard SD)-->

The full charge time is about 1.5-2 hours. When the battery is 100% charged, the indicator on the bracelet screen will disappear. Do not leave the device on charge for more than 3 hours, this can reduce the battery life.

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If the bracelet is not charging, try to clean the contacts on the capsule and cable with a cotton swab dipped in alcohol, often the problem lies in oxidation or contamination.

3. First Entry: buttons, gestures and language settings

After charging, you can start turning on.

1. Put the capsule back in the strap (it should be tightly fixed).
2. Press one button below the screen and hold it for 3-5 seconds until the Mi logo appears.
3. Release the button and the bracelet will start loading (the process takes about 10-15 seconds).

If the screen is not responding:

• 🔋 Make sure the bracelet is charged (the indicator should have appeared when connected to the cable).
• 🔄 Try restarting the device: Hold the 10 seconds button until the screen goes out, then press it again.
• 🤲 Check if the screen responds to touch (swipe up/down after turning on).

When you load the bracelet, you'll want to choose a language. Use touching on the screen to navigate:

• 👆 Scrolling up/down – changing menu items.
• 👇 Clicking on the screen - option choice.

Attention! The list of languages may not include Russian — später You can change the language through the Mi Fit app, and if the bracelet has been in use, it can request it. PIN-code (default: 0000 or 1234).

4.Pairing with phone: Mi Fit installation and synchronization

Without a smartphone connection, the Mi Band 4 only works as a clock and pedometer.

After installation of the annex:

1. Sign up or sign in to your Xiaomi account (required for data synchronization!).
2. Click Add Device → Select Bracelet → Mi Smart Band 4.
3. Allow the application to access notifications, geolocation, and contacts (necessary for functions to work).
4. Turn on Bluetooth on your phone and wait until the bracelet appears in the list of available devices.
5. Confirm the pairing on the bracelet (the code will appear on the screen - compare it with the code in the application).

If the bracelet is not in the appendix,

• 📱 Reboot Bluetooth on your phone (turn off/on in settings).
• 🔄 Reset the bracelet (hold the button for 10 seconds).
• 📴 Make sure there are no active phones on the phone. VPN or firewalls blocking the connection.

5. Customize the main functions: steps, notifications, alarms

After pairing, open the Profile tab in Mi Fit and select your bracelet. Here are the key settings:

📊 Activity tracking

• 👟 Steps by step: 8,000 steps by default, but you can change by 5,000 to 20,000.
• 🏃 Training modes: running, cycling, swimming, etc. (activated manually on the bracelet).
• 💤 Sleep monitoring: enable automatic sleep phase tracking (surface/deep).

🔔 Notifications

To make the bracelet vibrate when calling and texting:

1. At Mi Fit, go to Notifications.
2. Turn on the Display Notifications switch.
3. Select the apps you want to receive notifications from (for example, WhatsApp, Telegram, SMS).
4. Set the time of inactivity (for example, vibration only from 9:00 to 22:00).

Mi Band 4 supports text display (up to 100 characters), but only in Cyrillic or Latin characters - characters and emoji are not shown.

⏰ Alarm clocks and reminders

The bracelet can wake you with a vibration (it is useful if you sleep with your phone in another room) to add an alarm clock:

1. In Mi Fit, select Alarms → Add.
2. Specify the time, days of the week and type (single/repeated).
3. Activate the Vibration option on the bracelet.

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To save charge, disable unnecessary notifications (such as from games or news apps) and each alert discharges the bracelet by ~1–2% of the charge.

6. Hidden features and life hacks for Mi Band 4

In addition to the basic features, the Mi Band 4 hides a few useful features:

🎨 Change of dial

The bracelet supports custom dials, which can be downloaded through:

• 🌐 Official application Mi Fit (Dial tab).
• 🛠 Third-party services (e.g. Amazfit Watchfaces).

To set the dial:

1. Download the file with the.bin extension.
2. In Mi Fit, select Dials → Add and specify the path to the file.
3. Synchronize the bracelet - a new dial will appear in the list.

🔋 Extension of working hours

The standard operating time of the Mi Band 4 is up to 20 days, but it can be increased by:

• 📵 Turn off the permanent display of time (in bracelet settings: Display) → Lift wrist to wake).
• 🔔 Reduce the brightness of the screen to 2-3 divisions.
• 🚫 Turn off automatic heart rate monitoring (leave manual measurements only).

🔍 Phone search

If you lose your smartphone, you can make it ring at full volume right from the bracelet:

1. On the bracelet, scroll through the menu to More.
2. Choose Find phone.
3. The phone will start ringing (even if it was silent).

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If the bracelet is slow to respond to touch, reset its settings: More → Reset. After reset, all data (except for the steps for the current day) will be deleted.

Typical problems and their solutions

Even after setting up correctly, users encounter errors.

❌ The bracelet is off.

Possible causes and solutions:

• 🔋 Battery discharged: connect to charging for 30-60 minutes, then try to turn on.
• 💧 Moisture: Dry the bracelet in rice or silica gel for 24 hours.
• 🔧 Firmware failure: try resetting (hold the 10 seconds button).

📶 Not synchronized with the phone.

Check it out.

• 📱 Bluetooth and geolocation enabled (required for Mi Fit).
• 🔄 In the bracelet settings, the mode Do not disturb is not activated.
• 📴 Mi Fit has all the necessary permissions (notifications, contacts, memory).

🔄 No firmware updates.

If an error appears in Mi Fit when updating:

• 🌐 Connect your phone to another Wi-Fi network (sometimes the lock is due to the provider).
• 📱 Make room on your phone (required) ~50 MB to download firmware).
• 🔋 The charge of the bracelet must be at least 50%.

Attention! If the bracelet is stuck during the upgrade (the Mi logo burns for more than 10 minutes), do not turn it off from charging. wait until the process is complete (it can take up to 30 minutes). If the screen is out, try rebooting the bracelet with a button hold.

8. Frequently Asked Questions (FAQ)