Xiaomi Mi Band 3: how to turn on Bluetooth and connect to a smartphone

The Xiaomi Mi Band 3 fitness bracelet remains one of the most popular trackers even years after its release, thanks to its reliability, long run time and wide functionality. However, many users face difficulties when connecting the device to a smartphone for the first time. The main problem lies in the incorrect activation of the Bluetooth module or incorrect pairing settings. Unlike modern models (for example, the Mi Band 7 or Mi Smart Band 8), the third version does not automatically turn on the wireless module – it needs to be activated manually.

In this article, we will not only discuss the basic process of turning on Bluetooth, but also nuances that are not written in the official instructions, such as why the bracelet may not appear in the list of available devices even after activation of the module, how to reset the settings to factory if the pairing is suspended, and what hidden features become available after a successful connection. You will also find a compatibility table Mi Band 3 with different versions of Android and iOS, this will help avoid errors in the configuration.

Why Bluetooth is not enabled on Mi Band 3: common reasons

Before we get to the instructions, it's important to understand what's stopping the module from working properly, and 70 percent of the time, the problem isn't with the bracelet itself, but with firmware incompatibility or conflict with other devices.

• 🔋 Battery discharge: If the charge is below 15%, the bracelet automatically shuts down power-intensive functions, including Bluetooth, to extend the battery life.
• 📱 Mi Fit or Zepp Life (new name) must be updated to the latest version. Older versions do not support pairing protocols for Mi Band 3.
• 🔄 Conflict with other devices: If the bracelet was previously connected to another smartphone or tablet, it can “forget” the old pair and not appear in the list of new devices.
• 🛠️ Software failure. Rarely, but there are some bugs in the bracelet firmware that cause the Bluetooth module to be unstable.

Another nuance: The Mi Band 3 uses Bluetooth Low Energy (BLE), an energy-efficient protocol that is not always correctly recognized by older smartphones (like Android 6.0 and below). If your phone is released before 2016, you may need to update its firmware or use a Bluetooth 4.0+ adapter.

Step-by-step: how to turn Bluetooth on Xiaomi Mi Band 3

The activation process consists of two steps: activation on the bracelet itself and pairing with the smartphone. If you miss even one step, the connection will not take place.

Step 1: Activate Bluetooth on the bracelet

1. Check the battery. The Mi Band 3 should display at least 20% charge. If the indicator flashes red, plug the bracelet into charging for 30-40 minutes.
2. Wake up the bracelet screen by tapping the touch button below the display. Swipe the menu up/down until you find the "Bluetooth" icon (a stylized "B" or antenna icon).
3. Click on the Bluetooth icon and hold it for 2-3 seconds until the screen appears a tick or the inscription ON. This means that the module is activated.
4. The bracelet will automatically go into device search mode, and a flashing Bluetooth icon will appear on the screen, so you can now move to pairing with a smartphone.

Bracelet charge > 20%|Bluetooth on your phone is on|Application Mi Fit/Zepp Life is set up|Bracelet unlocked (no) PIN-code)|Old conjugations removed-->

Stage 2: Connecting with a smartphone

1. Open the Mi Fit or Zepp Life app on your smartphone, and if you don't have one, download it from Google Play or the App Store.
2. Sign up or sign in to your Xiaomi account (you can use a Google/Facebook account).
3. Click on the + or Add Device sign in the upper right corner. Select from the list of "Mi Smart Band 3".
4. The smartphone will start looking for available devices when your bracelet appears on the list (the name will begin with Mi Band). 3_XXXX), tap him.
5. Confirm pairing on both devices: on the phone, click “Connect”, on the bracelet – touch the tick on the screen.

If the process was successful, the phone icon with a tick will appear on the bracelet screen, and the main menu with data on steps, pulse and notifications will be displayed in the application.

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After the first Bluetooth connection to the Mi Band 3 will be activated automatically when synchronized with the phone.Manual shutdown of the module is only required to save charge in offline mode.

Compatibility table Mi Band 3 with different versions of Android and iOS

One of the common reasons for the failure of the connection is the incompatibility of the firmware of the smartphone with the BLE protocol, which uses the bracelet. Below is a table with supported versions of the OS and possible limitations:

Important: Smartphones with custom firmware (e.g. LineageOS, MIUI Global Stable) may require manual permission to access geodata for the Mi Fit application – otherwise the Bluetooth connection will break every 5-10 minutes.

What to do if Bluetooth on Mi Band 3 is not turned on or is not on the phone

If you have completed all the steps from the instructions, but the bracelet still doesn't connect, try the following troubleshooting methods.

• 🔄 Reset the bracelet. To do this, plug it into charging, wait for the vibration (a sign of starting charging), then turn off and reconnect the cable. The bracelet will reset automatically.
• 📴 Remove old pairings. Go to Settings on your phone. → Bluetooth, find Mi Band 3 in the list of paired devices and delete it. Then repeat the connection process again.
• 🗑️ Reset the bracelet to factory settings. To do this, go to the bracelet menu: Settings → Reset → Confirm (requires 5 seconds to hold the button) Warning: all data (steps, sleep history) will be deleted!
• 📲 Update the bracelet firmware. In the Mi Fit app, go to Profile → Mi Smart Band 3 → Update the firmware. If a new version is available, install it.

If none of these methods worked, the problem could be a hardware malfunction of the Bluetooth module, which is typical of bracelets that have been hit or contacted with water frequently (despite the IP68 protection class claimed), and then you can only contact the Xiaomi service center.

Hidden Mi Band 3 features that become available after Bluetooth connection

Many users mistakenly believe that the Mi Band 3 can only count steps and show time, in fact, after successfully pairing with a smartphone, you can access advanced settings that are not written about in the official manuals.

• 🔔 Smart alarms: You can set up up to 10 alarm clocks in the Mi Fit app, which will only go off on weekdays or weekends, and the wristband vibrates and shows a reminder even when the phone is off.
• 💼 You can set a goal of 10,000 steps a day, and the bracelet will vibrate every 2,000 steps, motivating you to move.
• 📱 Music control: You can switch tracks from the bracelet, adjust volume and pause playback (works with most players, including Spotify and Apple Music).
• 🔍 Phone search. If you lose your smartphone at home, you can start the alarm from the bracelet, and the phone will ring loudly, even if it was silent.
• 🩺 Real-time heart rate monitoring. In the application settings, you can enable continuous pulse measurement (interval: every 1-30 minutes).

Another little-known feature is the display of notifications from any application. By default, the bracelet only shows calls and SMS, but you can manually add support for instant messengers (Viber, Skype), social networks (Instagram, Facebook) and even email clients to Mi Fit.

1. Open Mi Fit → Profile → Mi Smart Band 3 → Notifications
2. Activate the “Application Notifications” switch.
3. Select from the list the desired applications (or add manually through Other Apps).

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If notifications are late, check your phone’s power saving settings. Many manufacturers (Samsung, Huawei, Xiaomi) default to limit the background of apps, including Mi Fit. Add it to the list of “Secure Apps” or turn off battery optimization.

How to turn off Bluetooth on Mi Band 3 to save power

By default, the Bluetooth module on the wristband remains active even when it is not connected to the phone, which allows you to quickly restore the connection, but increases battery consumption by 15-20%. If you want to extend the life to 20-25 days (instead of the standard 14-18), you can turn off Bluetooth manually.

For this:

1. Wake up the bracelet screen.
2. Scroll through the menu to the Bluetooth icon.
3. Touch the icon and hold for 2 seconds until the cross or OFF sign appears.

Once disconnected, the bracelet will not sync data with the phone, but will continue to record steps, pulse and sleep phases in local memory, and the next time you connect, all data will automatically be transferred to the application.

⚠️ Warning: If you turn off Bluetooth on the bracelet but leave it on in your phone settings, the smartphone will constantly try to connect to the Mi Band 3, which will lead to increased battery consumption of the phone.

FAQ: Frequent questions about Bluetooth on Xiaomi Mi Band 3