How to reset Xiaomi Mi Smart Band 4C to factory settings: 5 working ways

Xiaomi Mi Smart Band 4C is one of the most popular fitness bracelets due to the combination of affordable price and wide functionality. However, even such a reliable device sometimes requires a complete reset: after updating the firmware, when selling, if the bracelet has started to glittle or does not sync with the smartphone. In this article, we will analyze all possible ways of resetting to factory settings, including hidden methods that are not written in the official documentation.

It's important to understand that resetting removes all the data from the wristband: steps, pulse, alarm settings and notifications. But don't worry, we'll tell you how to save important information before the procedure, and if the wristband doesn't respond at all, you'll learn how to bring it back to life without losing functionality.

1.When do I need to reset the Mi Smart Band 4C?

Don't rush to drop the bracelet at the first sign of a problem, here are the specific situations where it's really necessary:

  • ๐Ÿ”„ The bracelet is stuck on the logo or cyclically rebooted after a firmware update.
  • ๐Ÿ“ฑ Not synced with Mi Fit or Zepp Life (device not responding or connection failed").
  • ๐Ÿ”‹ Battery discharges quickly (less than 2 days of operation) after several months of use.
  • ๐Ÿ›’ Before selling or transferring the bracelet to another user.
  • ๐Ÿ”ง After a failed manual firmware update through third-party utilities.

If the problem is different โ€” for example, the bracelet does not count steps or shows notifications โ€” first check the settings in the application.

๐Ÿ“Š Why you want to lose the Mi Smart Band 4C?
The bracelet is glitching.
I want to sell.
Not synchronized with your smartphone
After the update, it stopped working.
Another option

2.Reset preparation: what to save and how to avoid mistakes

Before resetting, be sure to follow these steps to avoid losing important data:

  1. Sync your data with Mi Fit or Zepp Life. Open the app, wait for full sync (the cloud icon in the upper right corner should disappear).
  2. Take screenshots of the main screens of the bracelet (main screen, alarm settings, activity profile) and this will help you set up the device faster after resetting.
  3. Write it down. PIN-code (if installed) - after resetting it will have to be re-entered.
  4. Untie the bracelet from your Xiaomi account in the application settings (section "My profile" โ†’ "Devices").

If the bracelet doesnโ€™t sync, try rebooting it: press the touch button for 10-15 seconds until the Mi logo appears.

๐Ÿ’ก

If the bracelet does not respond to pressing, hold it to a heat source (such as a battery) for 1-2 minutes, sometimes helping to "wake up" the hover device.

3. Method 1: Reset via Mi Fit or Zepp Life

The safest and most recommended method is to reset directly from the official app, which is suitable if the bracelet is connected to the smartphone and responds to commands.

Instructions for Mi Fit (similar to Zepp Life):

  1. Open the application and go to the Profile section โ†’ Mi Smart Band 4C.
  2. Tap the three-point menu (โ‹ฎ) top-right.
  3. Select Disable Device (or Delete Device in New Versions).
  4. Confirm the action and wait for the process to be completed.
  5. Return to the main menu of the application and click Add the device to connect the bracelet again.

After that, the bracelet will automatically reset to the factory settings. If the item Disable the device is missing, update the application to the latest version.

What to do if the app does not see the bracelet?
Try: - Reboot your smartphone and bracelet. - Turn on/off Bluetooth on your phone. - Remove the cache of the Mi Fit application in the Android settings (section "Applications"). - Connect the bracelet to another smartphone.

Method 2: Hardware reset through the button of the bracelet

If the bracelet is not connected to the phone or the app can't see the device, use a physical reset button, which works even on locked or frozen devices.

Step-by-step:

  1. Place the bracelet on a flat surface with the screen up.
  2. Find a small hole on the case with the inscription Reset (near the charging contacts).
  3. Take a paper clip or a toothpick and gently press the button inside the hole. Hold for 5-7 seconds until you feel a slight vibration.
  4. Release the button. The bracelet will reset and show the Mi logo, which means that the reset was successful.

If the bracelet does not turn on after reset, connect it to charging for 10-15 minutes. Sometimes a discharged battery blocks the start of the system.

The bracelet vibrates when you press a button.|The Mi logo appears when turned on|The screen responds to touch.|The device is determined in a Bluetooth smartphone-->

5. Method 3: Reset via hidden menu (for power users)

The Mi Smart Band 4C firmware has a hidden engineering menu that allows you to reset without an app, which is useful if standard methods don't work, but the bracelet turns on and responds to touch.

How to open the hidden menu:

  1. On the main screen of the bracelet, swipe your finger to the left 5 times in a row (until the settings menu appears).
  2. Slip the Settings (cog) icon.
  3. Scroll down to About the program and click on it.
  4. Quickly tap the firmware version number 10 times - the engineering menu will open.
  5. Select Reset to factory (or Erase all data) and confirm the action.

Note: this method may not work on the latest firmware versions (above 1.0.7.14).If nothing happens after 10 taps, use hardware reset.

Method 4: Reset via ADB (for advanced users)

If the bracelet connects to a computer but does not respond to other methods, you can try resetting via ADB (Android Debug Bridge), which requires command line skills and is only suitable for users familiar with technical nuances.

What you need:

  • ๐Ÿ–ฅ๏ธ Computer with Windows/macOS/Linux.
  • ๐Ÿ”Œ Cable to connect the bracelet (usually used charging cable with a charger) USB-transitioner).
  • ๐Ÿ“ฆ Installed drivers Mi Smart Band 4C packet ADB Tools.

Instructions:

1. Connect the bracelet to the computer via cable.


2. Open the command line (Terminal) and enter:




adb devices




(The name of your device should appear)




3. Perform the reset command:




adb shell am broadcast -a android.intent.action.MASTER_CLEAR




4. Wait for the bracelet to reset.

If the command doesnโ€™t work, try an alternative:

adb shell recovery --wipe_data

โš ๏ธ Attention: Misuse of the right ADB If you're not sure what you're doing, you can call the service center.

7. Method 5: Reset after a failed firmware update

If the bracelet is stuck during the upgrade and does not respond to any action, try forced reset through the bootloader. This method works 80% of the time and does not require special equipment.

Algorithm of action:

  1. Connect the bracelet to charge and wait until the charging indicator appears on the screen (even if it flashes or shows an error).
  2. Turn off charging and immediately press the touch button of the bracelet for 20 seconds.
  3. Without releasing the button, plug the bracelet back into charging and hold for another 10 seconds.
  4. Release the button. The bracelet must go into recovery mode (the screen will go out for 2-3 seconds, then the Mi logo will appear).
  5. After the reboot, perform a standard reset via the app or hardware button.

If this method did not help, the firmware may be damaged, in which case you will need to flash through a special cable (read about this in the next section).

Symptoms.Probable causeRecommended discharge method
Bracelet not turned on, no reaction to chargingA discharged battery or damaged power controllerConnect to charging for 1-2 hours, then hardware reset
Hangs on the logo after the updateFailed firmware or data conflictResetting through a loader (Method 5) or flashing
Not synchronized with the applicationBluetooth or data cache failureReset via application (Method 1) or hidden menu (Method 3)
The screen reacts, but the settings are confusedDamage to user dataHardware reset (Method 2) or through ADB (Method 4)

8.What to do if the discharge did not help?

If neither of these methods brought the bracelet back to life, it could be the hardware problem.

  • ๐Ÿ”Œ Check the cable and charging.Use the original Xiaomi cable - the unoriginal often don't provide enough current to charge.
  • ๐Ÿ”‹ Replace the battery. Battery in the Mi Smart Band 4C It's designed to last 2-3 years of heavy use, and if the bracelet doesn't hold a charge, you may need to replace it.
  • ๐Ÿ› ๏ธ Go through it. JTAG. This will require a special cable and programmer (for example, ST-Link (4PDA, XDA).
  • ๐Ÿ“ฆ If you have a warranty bracelet, don't try to disassemble it yourself, it will void the warranty.

The cost of repairing the Mi Smart Band 4C in service centers usually does not exceed 1,500-2,000 rubles (battery replacement or firmware). If the bracelet is older than 3 years, it may be cheaper to buy a new one.

๐Ÿ’ก

Before contacting the service, check if the warranty period has expired (usually 12 months from the date of purchase).

FAQ: Frequent questions about resetting the Mi Smart Band 4C

Can I drop my bracelet without my phone?
Yes, use hardware reset (Method 2) or hidden menu (Method 3). Both methods do not require a connection to a smartphone.
Once reset, the bracelet doesn't connect to the phone.
Remove the bracelet from the Bluetooth device list on your phone, reboot both devices and try to connect again. If it doesn't work, upgrade the Mi Fit app to the latest version.
All the data was dumped. Can we recover it?
No, factory reset permanently deletes all the data from the wristband, but if you've previously synced the data to the app, it's stored in the Xiaomi cloud. Just plug it back in and the activity history will be restored.
The bracelet after the reset shows Chinese characters. How do you fix it?
This means that the firmware has been dropped to the Chinese version. To return the Russian language, update the firmware through the Mi Fit app (Device Profile โ†’ Firmware Update).
How long does it take to dump?
A standard reset via an app or button takes 1-2 minutes. If the bracelet is long thinking (more than 5 minutes), disconnect it from charging and repeat the procedure.