Set up time on Xiaomi Mi Band 4: synchronization, reset and error fixing

The Xiaomi Mi Band 4 fitness bracelet automatically synchronizes time with the connected smartphone, but sometimes users experience reading discrepancies or a complete display failure. In this article, we will analyze all the ways to adjust time, from basic synchronization through the Mi Fit application to manually fixing using third-party utilities. Particular attention is paid to typical errors, for example, when the bracelet shows time with a delay of 1-3 hours or completely resets after discharging.

It’s important to understand that the Mi Band 4 doesn’t have its own GPS module or mobile network connection – it’s completely dependent on smartphone data.This means that time problems are almost always associated with either the phone’s settings or software failures in the bracelet firmware. We tested all methods on current firmware versions (including 1.0.9.54 and later) and collected only working solutions.

Why Mi Band 4 is the wrong time: the main reasons

Before you start setting up, you need to understand the root of the problem, and 80 percent of the time gap is due to one of the following:

• 📱 Unsynchronized time on a smartphone: If the phone has an incorrect date/time (for example, after resetting the settings), the bracelet takes this data.
• 🔄 Failures in the Mi Fit app. app cache or outdated version may block data transfer.
• 🔋 With a charge level below 5%, the Mi Band 4 can reset settings, including time.
• 🌍 Wrong time zone. The bracelet is geared towards the smartphone belt, but sometimes gets lost when flying or manually changing.
• 🔧 Software firmware errors: versions older than 1.0.8.12 had a time-hang bug at 00:00.

Less commonly, the problem is hardware malfunctions, such as when charging contacts are damaged or the internal battery fails, in which cases the bracelet can arbitrarily reset time after disconnecting from charging. If none of the software methods worked, it is worth checking the device at the service center.

Automatic time synchronization via Mi Fit

The easiest way to update your time is to use the official Mi Fit app, which works 95% of the time and doesn't require any additional manipulation.

1. Open the Mi Fit app on your smartphone and make sure the bracelet is plugged in (the Mi Band 4 icon must be active in the top panel).
2. Go to the Profile section → Mi Smart Band 4.
3. Scroll down and select Sync Data.
4. Wait for the process to be completed (usually 5-10 seconds) and a notification of successful synchronization will appear on the bracelet screen.

If the time is not updated, try to force the firmware update of the bracelet:

1. In the same section of Mi Smart Band 4, find the Firmware Update.
2. If a new version is available, click Update and wait for the process to be completed (the bracelet will reboot).

⚠️ Warning: If the bracelet time is lost after a few hours, check the battery saving settings on your smartphone. Some manufacturers (e.g. Xiaomi, Huawei) aggressively close the background processes, which prevents the Mi Fit from maintaining communication with the bracelet. Add the app to the optimization exceptions.

Manual time setting without a smartphone

Unlike the newer models (Mi Band 5/6), the fourth version of the bracelet does not support manual time change directly through the device menu.

The most reliable tool is the Notify & Fitness for Mi Band app (available for Android), which allows you to manually sync the time even if the official app doesn't work.

1. Install Notify & Fitness from Google Play.
2. Connect the bracelet via the app (allow all access requests).
3. Go to the Device section → Synchronization of time.
4. Click Sync Now and confirm the action.

For iOS users, a similar functionality is available in the Mi Band Master app (jailbreak is required for full access).

Reset bracelet settings with constant time failures

If the Mi Band 4 is regularly lost (for example, after each reboot), a complete reset of the device may be required, which removes all data from the wristband, including alarm settings and activity data, so use it only as a last resort.

Resetting instructions:

1. Reconnect the bracelet via Mi Fit, following the instructions on the screen.

After reset, the time is synchronized automatically when you first connect. If the problem persists, this may indicate a hardware defect, contact the Xiaomi service center.

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Before reset, export activity data from Mi Fit to the cloud or save screenshots of statistics. Once the device is untie, the history of steps, sleep and training will be lost.

Problems with time zone and summer time

The Mi Band 4 doesn't have its own time zone database, it relies entirely on smartphone settings. If you're traveling or living in a region with a daylight/winter time switch, the bracelet may not display the time correctly. Here's how to fix this:

In regions with non-standard daylight saving time transitions (such as some states in the US or the Middle East), the wristband can display time incorrectly even with the correct settings of the smartphone, in which case only manual synchronization through third-party applications will help.

Frequent questions and errors in setting the time

Let’s look at the typical situations that Mi Band 4 users face and how to solve them.

1.The bracelet shows the time 3 hours late

This is a classic sign of a wrong time zone, most commonly found in users who have manually changed their belt on their smartphone but haven't updated the data on the wristband.

• 📱 Check the current time zone on your smartphone (Settings) → Date and time).
• 🔄 Forced data synchronization via Mi Fit.
• 🌐 If the belt is correct but the problem persists, turn on the Automatic Time Zone option.

2.After charging, the time is reset to 00:00

This error indicates damage to the memory of the bracelet or charging contacts.

• 🔌 Wipe the contacts of the bracelet and charger with alcohol.
• 🔋 Charge the bracelet to 100% and wait for automatic synchronization.
• 🔧 If the problem recurs, reset the settings (see section above).

3.The time on the bracelet doesn't change at all

This may be related to:

• 📵 No connection between the bracelet and smartphone (check Bluetooth).
• 📱 Freeze the Mi Fit app (reinstall it).
• 🛠️ Hardware malfunction of the bracelet (diagnosis is required).

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If neither method worked, check the bracelet on another smartphone. If the problem persists, it is a warranty case, contact the service.

FAQ: Answers to popular questions