How to turn on the fitness bracelet Xiaomi Mi Band 4: instructions with photos and tips

Introduction: What to Know Before First Including

The Xiaomi Mi Band 4 fitness tracker remains one of the most popular trackers even years after its release. Its simplicity, reliability and rich functionality (from sleep monitoring to smartphone notifications) attract users. However, beginners often have questions about how to turn on the bracelet correctly, what to do if it does not respond to charging, and how to sync it with the phone. In this article, we will analyze all the nuances from basic activation to solving typical problems.

It's important to understand that the Mi Band 4 doesn't have a physical power button. Instead, it activates automatically when you plug into a charger or tap on a touch screen. But there are a few key factors that affect a successful launch: battery level, smartphone compatibility, and the firmware version. If you've just unpacked the bracelet, start by checking the trim - the box should have the tracker, the charging cable, and the instruction (although the latter is often useless due to scanty translations).

It is also worth noting that the Mi Band 4 was released in several versions: standard (with a black and white screen) and NFC-version (with color display and support for contactless payments) The process for them is the same, but NFC-The model may require additional adjustment of payment systems.If you are not sure about the version of your bracelet, look at the box or check for the logo. NFC back-end.

Preparation for the first inclusion: check of completeness and charging

Before you turn on the Xiaomi Mi Band 4, make sure you have everything you need:

• 📦 The fitness bracelet itself (check if it has a protective film on the screen or charging contacts).
• ⚡ Charging cable (includes a short package) USB-magneto-connector).
• 📱 Smartphone on Android 5.0+ or iOS 10.0+ with Mi Fit or Zepp Life app installed.
• 🔋 Power supply (computer, phone charger or power bank).

Pay special attention to the charging cable. The Mi Band 4 uses a proprietary connector, and if you lose the original cable, you have to buy a compatible one (cheap analogues may not fit in polarity or power). The contacts on the bracelet should be clean - wipe them with a dry wipe if necessary. If the contacts have oxidation (green coating), carefully clean them with a cotton swab dipped in alcohol.

Connect the bracelet to charge and pay attention to the indicator: if it lights up red and after 5-10 seconds it changes to green, the battery is completely discharged, and it will take 1-2 hours for a minimum charge.

• 🔌 Correct cable connection (magnet must be tightly attracted to the contacts).
• 🔋 Possibility of work USB-port or charger (try another power source).
• 🔄 Cable failure (check for damage).

How to enable Xiaomi Mi Band 4: step-by-step instructions

There are three main ways to activate the bracelet. Choose the right one depending on the situation:

1. Automatic activation when charging

The most reliable method is, especially if the bracelet is discharged to zero, plug it into the charger and wait.

1. The appearance of a red indicator (charging is underway).
2. After 10-15 minutes, the Mi logo or percentage of charge should appear on the screen.
3. After reaching at least 20-30%, the bracelet will be switched on automatically.

Activation by button (sensor)

If the bracelet is already charged but is off:

1. Touch the touch screen and hold your finger for 3-5 seconds.
2. Wait for the vibration and the appearance of the Mi logo.
3. If the screen is not responsive, try pressing closer to the center (not at the edges).

3. Forced reset (if the bracelet is getting stuck)

If the bracelet does not respond to charging or touching:

1. Put him on charge.
2. Hold your finger on the screen for 10-15 seconds until you feel a double vibration.
3. After the reboot, a logo should appear.

Check the charging cable for damage |

Connect to another power source |

Clean the bracelet contacts of dirt |

Hold the sensor for 15+ seconds to reset |

Try charging 1-2 hours if the battery is completely discharged-->

If none of these things worked, the problem could be a hardware failure (like a charging connector or a power controller), in which case, go to a service center, but 90% of the time, the bracelet doesn't turn on because of a dead battery or dirty contacts.

Sync with phone: setup via Mi Fit or Zepp Life

Once the bracelet is turned on, it needs to be linked to a smartphone.

1. Download the app: 📱 Mi Fit (for Android and iOS) – Link for Android / Link for iOS. 🌐 Zepp Life (alternative, supports more features) – Link for Android / Link for iOS.

Xiaomi

Add the device

Bracelet

Mi Smart Band 4

Allow access to notifications, geolocation and contacts (this is necessary for the tracker to work properly).

Bring the bracelet to the phone and wait for the synchronization to be completed (it can take up to 2-3 minutes).

If the app does not find the bracelet:

• 🔄 Reset the bracelet (hold the sensor for 10 seconds).
• 📶 Turn on Bluetooth on your phone and make sure it’s not connected to other devices.
• 🔋 Check the charge level of the bracelet (must be at least 10%).
• 📱 Update the Mi app Fit/Zepp Life to the latest version.

💡

If you have Mi Band 4 NFC, after synchronization, go to the bracelet settings in the application and activate the contactless payment option. This will require you to link your bank card through the Mi Pay service (it does not work in all countries).

Common Problems and Their Solutions

Even after successful activation, users face common errors.

If the bracelet keeps a charge for less than 2-3 days, check:

• 📵 Data synchronization frequency (in Mi Fit settings set the interval no more than 1 time per hour).
• 🔔 Number of active notifications (disable unnecessary apps in the Notifications section).
• 🔄 Firmware version (update through Settings) → The bracelet. → Update of the PO).

⚠️ Warning: If the bracelet stops turning on after water hits, don't try to charge it! Mi Band 4 has 5 protection ATM, But it doesn't guarantee that it's completely leakproof. When contacts corrosion, charging can short-circuit the device, in which case dry it in rice or silica gel 24.+ pre-stop.

Firmware Update: Why It Matters and How to Do It

Regular firmware updates fix bugs, add new features and improve stability.To update Mi Band 4:

1. Open the Mi Fit or Zepp Life app.
2. Go to Profile → Mi Smart Band 4 → Software Update.
3. If a new version is available, click Update.
4. Wait until the process is complete (the bracelet will reboot automatically).

Important nuances:

• 🔋 Make sure the bracelet charge is at least 50%.
• 📶 Connect your phone to stable Wi-Fi (mobile internet updates may interrupt).
• ⏳ Don't interrupt the process! This could lead to a "brick).

After the update, check:

• Sensor operation (touching should be smoother).
• Display notifications (sometimes you need to reconfigure).
• Battery life (new firmware often optimizes power consumption).

💡

Update your firmware only through the official Mi Fit or Zepp Life app. Using third-party firmware (such as Amazfit) can lead to loss of functionality or breakage of the bracelet.

Resetting to factory settings: when it is needed

If the bracelet is unstable (often freezes, doesn't sync, or shows incorrect data), -hard reset will help. This will return all settings to factory, but delete:

• 📊 Activity statistics (steps, sleep, exercise).
• ⏰ Settings of alarm clocks and notifications.
• 🔒 Linked accounts (e.g. Mi Pay for the NFC-version).

To reset the settings:

1. Open on the bracelet Settings (swipe up the screen and select the icon). ⚙️).
2. Scroll to Reset (or Reset) point.
3. Confirm the action by clicking the tick.
4. After the reboot, the bracelet will be like a new one – you will need to re-sync with the phone.

⚠️ Note: If you are resetting the Mi Band 4 NFC, The attached bank cards in Mi Pay will also be removed, they will have to be reconfigured, and after resetting the bracelet may require a firmware update — prepare a stable Internet connection.

Alternative resetting method (if the bracelet does not respond to touch):

1. Connect the bracelet to the charger.
2. Hold your finger on the screen for 20 to 30 seconds until you feel a triple vibration.
3. Let go, the bracelet will reset and reset.

FAQ: Answers to Frequent Questions