How to Reboot Xiaomi Mi Band 4: From Simple Reboot to Complete Reset

The Xiaomi Mi Band 4 fitness bracelet is one of the most popular wearables, but even it sometimes requires a forced restart. Hanging, synchronization errors or preparation for sale can be different reasons. In this article, we will analyze all the ways of restarting, from a soft reboot to a full reset to factory settings.

It's important to understand that restarting and resetting are different procedures, the first one just restarts the device, saving all the data, and the second one erases all the information, including settings and statistics, and we'll describe each method in detail so you can choose the right one.

If your bracelet does not respond to touch, does not sync with the Mi Fit application or behaves unstable, do not rush to carry it to the service. In 90% of cases, the problem can be solved by yourself in 5-10 minutes.

1.When do I need to restart Mi Band 4?

The Xiaomi Mi Band 4 is powered by proprietary firmware, and like any electronic device, can crash. Here are typical situations where restarts are required:

• 🔄 The bracelet is getting stuck and does not respond to touch or button.
• 📱 Not synced with Mi Fit or Zepp Life.
• 🔋 Battery discharges quickly (possible failure after update).
• 🔄 Incorrectly displays time, steps, or pulse.
• 📦 Preparation for sale or transfer to another user.

If the problem is hardware-related (e.g., the bracelet is not charging or physically damaged), restarting it won't help, it will require repair or replacement, but in most cases, a software reset will bring the device back to life.

⚠️ Warning: If the Mi Band 4 bracelet gets into water and stops working, don't try to reboot it. First dry the device for 24-48 hours (without charging.

2.Soft reboot: a quick solution for minor glitches

If the Xiaomi Mi Band 4 bracelet is slowing down but still reacts to touch, try a soft reboot. This method does not delete data and takes less than a minute.

Instructions:

1. Connect the bracelet to the charger (even if the battery is not discharged).
2. Wait for the charging icon to appear on the screen (about 5-10 seconds).
3. Turn off the bracelet from charging.
4. Press and hold the touch button under the screen for 10-15 seconds until the device vibrates and reboots.

After the reboot, check the performance. If the problem persists (for example, the bracelet is still out of sync), move on to the next method.

💡

If the soft reboot didn't work the first time, repeat the procedure by holding the button for up to 20 seconds. Sometimes the bracelet takes longer to initialize the reset.

Hard Reset: Return to Factory Settings 3

If the soft reboot doesn't work or the bracelet is completely frozen (no touch response, no switching on), you'll need a hard reset.

• 📊 Activity statistics (steps, sleep, exercise).
• ⚙️ Individual settings (alarm clocks, notifications).
• 🔒 Authorization data (you will have to re-link to your Mi Account).

Hard-dumping instructions:

Make sure the battery is at least 50% charged | Disconnect the bracelet from your smartphone in the Mi Fit| app Prepare your Mi Account details for re-binding | The charger should be on hand (in case of discharge during the process)

-->

1. Place the bracelet on the charger and wait for the charging icon to appear.
2. Remove the bracelet from the charger.
3. Press and hold the touch button under the screen.
4. Without releasing the button, touch the screen 5 times (as if you were pressing it).
5. Keep holding the button for another 5-10 seconds until the bracelet vibrates three times in a row and resets.
6. After the reboot, the Mi logo will appear on the screen, which means that the reset was successful.

If the bracelet does not respond to touch during the procedure, try repeating the steps by holding the button longer (15-20 seconds).In rare cases, it may take several attempts if the device is heavily jammed.

⚠️ Warning: After a hard reset, the Mi Band 4 will return to the factory firmware. If you've previously updated your software through Mi Fit, you may need to update again after you link to your account.

4.Reboot via the Mi Fit application (alternative method)

If the bracelet is touch-sensitive and syncs with the smartphone, you can try restarting it through the official app, which is less radical than hard reset, but also effective at software failures.

Instructions:

1. Open the Mi Fit app on your smartphone.
2. Go to the Profile section → Mi Smart Band 4.
3. Tap the three-point menu (⋮) top-right.
4. Select the item Disable the device.
5. Confirm the blackout.
6. Return to the main menu and reconnect the bracelet by following the instructions on the screen.

This method actually software reboots the wristband through the app, and it's useful if the device is unstable but not yet fully locked, and after reconnecting, check if your data is saved -- sometimes it stays in your Mi Account.

5.Recovery after a failed firmware update

Sometimes the Xiaomi Mi Band 4 bracelet stops working after a firmware update, which can be due to an interrupted download, incompatible software version, or a Xiaomi server error, in which case a forced recovery is required.

Symptoms of firmware failure:

• 🔄 The bracelet is getting stuck on the Mi logo and does not turn on.
• 📱 Mi Fit app gives an error "Failed to update firmware".
• 🔋 The device discharges in a few hours without use.
• 📵 The screen doesn’t respond to touch, but the vibration works.

To restore, follow the following steps:

1. Completely discharge the bracelet (wait until it turns off).
2. Connect it to charging and wait for the charging indicator to appear.
3. Immediately after the charging icon appears, press and hold the touch button for 15-20 seconds until the bracelet vibrates.
4. Release the button and wait for the reboot. If the bracelet is again stuck on the logo, repeat the procedure 2-3 times.

If these actions did not help, try rolling back the firmware through the Mi Fit app:

1. In the app, go to Profile → Mi Smart Band 4 → Update firmware.
2. If an older version of the software is available, install it.
3. After rollback, perform a hard reset (section 3) and update the firmware again.

💡

If the Mi Band 4 bracelet doesn’t turn on even after a hard reset, the problem may be in the hardware (battery, power controller), in which case, contact Xiaomi’s service center or consider replacing the device.

6. Frequent restart errors and how to avoid them

Many users make mistakes that make it difficult to recover the bracelet, and here are the most common ones and ways to prevent them:

• ❌ If you release the button too early, the bracelet can hang halfway. Hold it until you feel three vibrations.
• ❌ Low battery charge. If the battery is under 20% discharge, the reset may be interrupted.
• ❌ Use a non-original charger. Cheap cables may not provide stable power, which leads to failures. Use only the original Xiaomi adapter.
• ❌ Ignoring Mi Fit updates. An outdated version of the app may not interact properly with the bracelet. Update Mi Fit via Google Play or App Store.

Another common mistake is to try to reset the bracelet through third-party apps (like Notify & Fitness or Tools & Mi Band), which are not officially supported by Xiaomi and can permanently disable the device.

⚠️ Note: If you purchased a Mi Band 4 bracelet and the previous owner did not untie it from your account, a hard reset will not help, in which case the device will remain tied to someone else's Mi Account. The only solution is to contact the previous owner and ask him to disable the bracelet in his account.

7 What should I do if nothing helps?

If none of these methods have brought the bracelet back to life, maybe the problem is the hardware.

1. Check the charging contacts. Clean them of dirt and oxidation with a cotton swab dipped in alcohol. Sometimes poor contact interferes with normal charging and operation.
2. Try charging the bracelet from another source. USB-computer port or other charger with output 5V/1A.
3. If the bracelet is not powered up, charged or reacting to a reset, the battery or motherboard is likely to have failed. Xiaomi provides a warranty on its devices, but its duration depends on the region of purchase.

Before visiting the service, check whether the warranty period has expired. Usually for the Mi Band 4 it is 12 months from the date of purchase. If the warranty is valid, repair or replacement will be performed for free. Otherwise, the cost of repairs may exceed the price of a new bracelet (for example, Mi Band 6 or Mi Band 7).

If you decide to buy a new device, don’t rush to throw away the old bracelet. Some service centers accept faulty Xiaomi equipment in account of a discount on repairs or purchase of a new gadget.

FAQ: Answers to Frequent Questions