Many fitness tracker owners face a situation where the screen displays the wrong time, which causes significant discomfort in everyday use. It is important to understand that the Xiaomi Mi Band 4 does not have its own GPS system or cellular module to automatically receive accurate time data from the global network. All chronometric information comes exclusively from a smartphone to which the device is connected via Bluetooth connection, which is why manual setting of time directly on the bracelet itself is impossible and is not provided by the manufacturer in the software.
The main mechanism for synchronization is the link between the tracker and the mobile phone through a specialized application. If you notice that the watch is running away or lagging, the reason lies in the desynchronization between the two devices. Mi Fit (or Zepp Life) acts as the main time server for your wearable gadget. Each time you connect, the application transmits current data, updating the readings on the tracker display. Without this procedure, the bracelet will continue to count the time, relying on its internal quartz generator, which inevitably gives error over time.
To successfully solve the problem, the user needs to ensure a stable connection and proper operation of the system services of the smartphone. Often the failure occurs because the Android or iOS operating system blocks the background operation of the application, considering it to be inactive. In this case, automatic time adjustment does not occur. The key condition is the presence of an active Internet connection on the phone at the time of synchronization, since it is from the network that the application receives accurate time stamps before they are transmitted to the tracker.
The principle of synchronization of time
The time transfer process in the Xiaomi ecosystem is built on a strict hierarchy, where the smartphone is a master device. When you open the application, the first thing it does is check its data with network time servers (NTP) to eliminate any local errors in the phone settings. Only after receiving confirmed data is the information exchange with the Mi Band 4 over Bluetooth Low Energy protocol, which provides high accuracy, but requires constant communication.
It's worth noting that the tracker doesn't update the time in real time every second. The data packets are exchanged at certain times: when you open an application, when you receive a notification or when you change the dial. If the Bluetooth on the phone is turned off at this point, the bracelet will continue to work offline, and the time difference will increase. The error of the internal clockwork of the tracker can be from a few seconds to a minute per day depending on temperature and battery charge.
Users often wonder why time is lost after the phone or the bracelet itself is restarted.The fact is that with a complete shutdown or software restart, some temporary buffers can be cleared and the device needs a new reference point.The Mi Fit app automatically initiates the synchronization process immediately after the tracker is detected, but only if it has the appropriate permissions in the system.
⚠️ Note: If the time on the bracelet has not been updated during the period of connection to the phone 1-2 For a minute, try manually pulling down the list of devices in the app to force the connection status update.
It is also important to consider the work of energy-saving modes. Modern shells Android (MIUI, EMUI, OneUI) aggressively "kill" background processes to save charge. If the companion application is blocked by the system, time synchronization will not occur. You need to add Mi Fit to exceptions and allow auto-start, so that the gadget always receives current data without your intervention.
Configure via the Mi Fit app
The main tool for managing your fitness tracker is the Mi Fit app (known as Zepp Life in newer versions).This is where all key settings are concentrated, including time and date management. First, make sure you have the latest version of the app installed from the official Google Play store or App Store, as older versions may have sync protocol errors.
The time setting process here is fully automated, but requires the correct initial configuration. Once the devices are paired, the app requests access to geolocation and system time — these permissions are mandatory. Without them, the Xiaomi Mi Band 4 will not be able to receive data. There is no separate Set Time button in the application interface, as it is assumed that the user has already set these parameters on the smartphone correctly.
- 📱 Open the Mi Fit app and go to the Profile tab in the lower right corner of the screen.
- ⌚ In the list of My devices, select your Mi Band 4 tracker to log into the control menu.
- 🔄 Pull the screen down for forced data synchronization, wait for the turn-around update indicator to appear.
- 🔍 Check if the time on the phone and on the bracelet screen matches after the procedure is completed.
If automatic synchronization does not occur, the settings within the application may be down. In the profile settings section, you can sometimes find the option of the time format, but it only duplicates the system one. More advanced users can try to reinstall the application, saving the activity data beforehand to reset possible cache software errors that prevent the transmission of time stamps.
☑️ Checking the synchronization settings
If you're out of Bluetooth range, the time on the wristband will go autonomously. Once the connection is restored, the Mi Fit will instantly adjust the watch. However, if the out-of-synchronization is longer than 24 hours, some models may require re-pairing to correctly display the date.
System settings of the smartphone
Since the bracelet is completely dependent on the phone, it is critical to check the system settings of the smartphone itself. The errors often lie not in the application, but in the basic parameters of the operating system. Go to Settings → Date and time and make sure that the option “Use Network Time” or “Autodetermination” is activated, which ensures that your phone itself receives accurate time from the cellular operator.
Time zone is another parameter that is often ignored. If you are traveling or moving to another region, the phone may not switch automatically, especially if geolocation is turned off. In this case, the Xiaomi Mi Band 4 will show the time of the previous region. Make sure that the system settings have the right time zone or auto mode. This is especially true for countries with a transition to summer/winter time, where the rules may change.
The time format (12 or 24 hours) is also set at the system level. The bracelet usually takes this format automatically. If the phone is 24-hour format and the bracelet is 12-hour (or vice versa), then there was a data error on the last connection. Try changing the format on the phone to the opposite, wait for the change on the bracelet, and then return the desired value.
| Parameter | Recommended value | Influence on Mi Band 4 |
|---|---|---|
| Autodate and time | Included. | Guarantees accuracy up to a second |
| Time zone | Your car or your region | Correct display of the day |
| Time format | 24 hours (recommended) | Reading Easiness, Lack of AM/PM |
| Synchronization over the network | Included. | Basic accuracy for the phone |
For Android owners, it’s important to check permissions for a companion app. Go to Settings → Applications → Mi Fit (Zepp Life) → Permissions. Make sure access to location, Bluetooth and background data is allowed. Without geolocation access (even approximate), modern versions of Android can block scanning of Bluetooth devices, which interrupts the time synchronization process.
Why can time go faster or slower?
Problems with the 12/24 hour time format
One of the most common complaints users have about the inability to switch the time format directly to the tracker menu. Indeed, the Mi Band 4 interface does not have settings for changing the format from 12 to 24 hours and back, this is done intentionally by developers to simplify the interface and save the device memory. All management of this parameter is delegated to the smartphone.
If you're faced with a 24-hour phone and the bracelet is persistently AM/PM, try the following algorithm: First change the format on the phone to 12-hour. Open the Mi Fit app and wait for the sync. Then return the setting to the 24-hour format on the phone and repeat the sync. This "shake" often manages to get the tracker to re-count the formatting parameter.
In some cases, the problem may be language settings. If the Mi Fit app has English and the phone has Russian (or vice versa), there may be conflicting format interpretations. Try to bring the phone and apps language settings to a common denominator. Mi Band 4 supports multilingualism, but prefers to take basic local settings from the host device.
- 🇬🇧 Check the language of the smartphone system and set the desired time format in regional settings.
- 🌐 In the Mi Fit app, go to Profile and make sure the application language matches the system language.
- 🔄 Perform full data synchronization so that the tracker accepts new display parameters.
- 📱 If it doesn’t work, try changing the region of your phone in the system settings.
It's worth mentioning that some watch faces may have their own limitations. Third-party dials downloaded from the store sometimes ignore system settings and force their display format. If the standard dial shows the time correctly and the new one doesn't, the problem is with the dial design, not the time settings.
⚠️ Note: Third-party dials from unofficial stores may not handle daylight saving time correctly or may not support the 24-hour format.Use only verified dials from the official Mi Fit store.
What to do if time is constantly getting lost
A situation where time is strayed regularly, even after synchronization, indicates a deeper problem, which could be due to an unstable Bluetooth connection, an app’s “sleeping” by the system, or a software failure in the bracelet firmware. If the Mi Band 4 loses communication with the phone for several hours, the accumulated error becomes noticeable.
The first step is to eliminate power saving issues, and on Xiaomi (MIUI) and Huawei phones, this is critical. Go to the battery settings, find the Mi Fit app, and set the No Limits mode. Also add the app to auto-start and fix it in memory (lock in the menu of running apps) so that the system doesn't close the sync process.
If the software methods don't work, try a full reset of the bracelet. On the back of the tracker or in the charger (depending on the modification of the contacts), you need to find a contact to reset, or use the "Tear a pair" function in the application and create a new one. Reset will return the device to factory settings, clearing possible errors in the memory of the real-time watch.
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If the time gets lost immediately after the notification arrives, try turning off the display of specific applications in the Mi Fit notification settings. Some heavy notifications can cause a short-term sync process failure.
Also check the firmware version of the bracelet itself. The Mi Fit app often comes out in the device section with updates to fix Bluetooth stack bugs. Outdated firmware can hold the connection worse or process time packets incorrectly. Update usually takes a couple of minutes and requires the bracelet to be near the phone.
Additional functions and dials
Time management on Xiaomi Mi Band 4 is closely related to dial selection. The device supports the installation of third-party images that can change not only the appearance, but also the way the time is displayed. Some dials show only the clock, others show the full date and seconds. The dial is selected through the application, and this is when the secondary synchronization of temporary data occurs.
The “Raise the wrist to turn on the screen” function also affects the user’s perception of time. If this function is not working correctly (too often or rarely), it may seem that the time on the wristband is worth it. The wrist lift sensitivity settings are in the application. It is recommended to set the average sensitivity and time interval of the function (for example, from 8:00 to 23:00) to save the battery, but keep the data up to date during the day.
It's important to know that when the battery is completely discharged, the bracelet doesn't lose time settings forever. There's enough internal buffer charge to store data for a short period of time while charging. However, if the battery is dead and has been dead for a long time, resetting is inevitable and you need to re-synchronize with the phone.
- ⌚ Dials can be changed without limiting the number by downloading new ones from the store in the application.
- 📸 The function "Photo-Dial" allows you to put any image on the background, time will superimpose on top of it.
- 🔋 Complex dials with seconds and date consume battery power faster than simple.
- 🌍 Regional dials may have different order of display of the date (DD.MM or MM.DD).
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The stability of the time on the Mi Band 4 depends on the correct setting of resolutions and energy saving on the smartphone, not on the bracelet itself.