How to set an alarm clock on Xiaomi Mi Band 4: 3 ways + secret chips

Why do you need alarm clocks on a fitness bracelet and what does Mi Band 4 know?

The Xiaomi Mi Band 4 fitness bracelet has long ceased to be just a pedometer, a full-fledged assistant for healthy sleep and daily routine. One of the key features of the device is smart alarm clocks that wake up not with sound (like a smartphone), but with a delicate vibration, which is especially valuable for those who sleep with a partner or get up earlier than the rest of the household.

Unlike the newer models (Mi Band 5/6/7), the fourth version has a limited number of alarm slots — only 5 active at a time. But here it has a unique function called Smart Alarm, which analyzes the phases of sleep and selects the optimal time to wake up in a given interval. For example, if you set your alarm at 7:00, and the bracelet notices that at 6:45 you are in the REM phase (the easiest to wake up), it will wake you up earlier — without feeling “broken”.

But how do you set that alarm right? Many users have problems: the alarm doesn't work, the vibration is too weak, or the settings are reset after synchronization with a smartphone. In this article, we'll look at all the ways to set the alarm -- through the Mi Fit app, directly from the wristband -- and also talk about hidden settings that Xiaomi doesn't advertise.

Method 1: Set up an alarm clock using the Mi Fit app (most reliable)

The main and most stable method is to use the official Mi Fit app (or its Zepp Life counterpart for new firmware), which ensures that the alarm clock will persist even after rebooting the bracelet or changing the smartphone.

Step instructions:

📱 Open the Mi Fit app on your smartphone and connect to the bracelet (if not already synced).
🔍 Go to Profile → Xiaomi Mi Smart Band 4 (or click on the bracelet icon on the home screen).
⏰ Select the Alarm clock (in some versions of the app it is hidden in Additional).
➕ Press Add an alarm clock and set the time, repetition days, and vibration type.
💾 Save settings and wait for sync with the bracelet (the cloud icon at the top of the screen should stop spinning).

Important nuances:

⚡ If the alarm is not saved, check the application version – Mi Fit 4.6.0 and later corrected the synchronization bugs.
🔄 After adding an alarm clock, be sure to update the bracelet firmware (if a new version is available).
📴 If the alarm goes missing after reconnecting the bracelet, try removing it and adding it again.

Bluetooth enabled on your smartphone

Mi Fit app updated to latest version

Bracelet charged at least 20%

Data synchronization is complete (no cloud icon)

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Note that Mi Fit only allows you to set a fixed time, and a smart alarm clock (sleep-related) will require third-party software, as you can read in the next section.

Method 2: Install an alarm clock directly from the Mi Band 4 bracelet

If you don't have a smartphone or the Mi Fit app is unstable, you can put the alarm directly on the wristband, which is faster but has limitations: you can't set up a day-to-day repeat.

How to do this:

🔘 Scroll the screen to the right until you find the icon More (three dots).
🕒 Select the alarm clock (bell icon).
➕ Press Add (+ icon at the bottom of the screen).
⏱️ Set the hour and minutes with swipes up/down, then confirm the selection.
🔄 Activate the alarm with a switch (green light should be on).

Advantages of this method:

⚡ Instant setting without synchronization.
🎯 Works even if the smartphone is discharged or out of reach.

Disadvantages:

❌ There is no option to choose the days of repetition (the alarm will be triggered daily).
❌ You can't set up a "smart" awakening by sleep phase.
❌ When the bracelet settings are reset, the alarm clocks will be removed.

💡

If the alarm clock on the bracelet doesn’t vibrate, check the battery level – at a level below 10%, some functions are turned off automatically.

Method 3: “Smart alarm clock” with sleep phases (hidden function)

Few people know, but the Mi Band 4 can analyze sleep phases and determine the optimal time to wake up at a given interval, for example, if you set your alarm for 7:00 and the bracelet notices that at 6:45 you are in REM sleep (the easiest to wake up), it will wake you up 15 minutes earlier, which helps you wake up awake and without "drowsy intoxication."

How to enable this function:

📱 In the Mi Fit app, go to Profile → Mi Smart Band 4 → Sleep settings.
🛌 Activate the Smart Alarm (or Sleep Phase Alarm in newer versions).
⏱️ Set the interval for a "smart" wake-up (usually 10–30 minutes before the main alarm clock).
🔄 Save settings and sync the bracelet.

Important: for the function to work properly, the bracelet must track sleep for at least 3 nights in a row, and in the early days, the smart alarm clock may not work accurately.

How does sleep phase analysis work?

The bracelet tracks arm movements, pulse and breathing rate. Xiaomi's algorithm divides sleep into 3 phases: 1. Deep sleep (the hardest to wake up). 2. Light sleep (transition phase). 3. REM is the perfect time to wake up. Smart alarm clock picks up the moment in the REM phase at the interval you set.

If the function does not appear in the settings, check:

📲 The bracelet firmware version (must be at least 1.0.9.14).
📱 The Mi Fit version (from 4.5.0 and up)
🌍 Account Region (in some countries, the feature is disabled by default).

Table: Comparison of ways to set an alarm clock on Mi Band 4

Parameter	Through Mi Fit.	Straight off the bracelet.	"Smart alarm clock."
Number of alarm clocks	Up to 5.	Up to 3.	1 (linked to the main)
Set-up of repetition days	✅ Yes.	❌ No (only daily)	✅ Yes.
Sleep phases	❌ No.	❌ No.	✅ Yes.
Post-discharge retention	✅ Yes.	❌ No.	✅ Yes.
A smartphone is required	✅ Yes.	❌ No.	✅ Yes.

As can be seen from the table, the best option is a combination of the first and third methods: the main alarm clocks are set up through Mi Fit, and for important days (for example, before an exam or business trip), we activate a “smart” awakening.

📊 How you usually wake up?

On the phone alarm.

Smart bracelet.

On your own, without an alarm clock.

Hardly, no matter how.

Frequent problems and their solutions

Even after setting the alarm on the Mi Band 4 correctly, let’s look at typical situations and how to fix them.

1. The alarm clock doesn't vibrate

Causes and solutions:

🔋 Battery discharge: At a charge level below 10%, the vibration turns off. Charge the bracelet.
🔕 Silent Mode: Check if Do Not Disturb mode is activated (Settings → Do Not Disturb).
🔄 Synchronization failure: Remove the alarm and add it again.
📴 Bracelet not connected to phone: vibration may not work if communication with Mi Fit is lost for more than a day.

2.The alarm is triggered at the wrong time

Possible causes:

⏱️ Incorrect time zone: Check the time settings in Mi Fit (Profile → Time zone).
🌍 Automatic winter/summer time switch: disable this option if you live in a region where the switch is cancelled.
🛌 The smart alarm has worked before: it's okay if you activate this feature.

3.Alarm clock goes missing after update

This is a well-known problem with the Mi Band 4 when updating the firmware.

Make a backup of alarm clocks (record the time and days of repetition).
Update the firmware.
Add alarm clocks again via Mi Fit.

💡

If the alarm goes off after each update, try using the third-party app Notify & Fitness for Mi Band – it saves the settings regardless of the official software.

Advice for Advanced Users

If the standard Mi Band 4 features aren’t enough, you can expand the bracelet’s capabilities with third-party apps and hidden settings.

1 Use Notify & Fitness for Mi Band

This application from third-party developers allows you to:

🔔 Set an unlimited number of alarm clocks (as opposed to 5 in Mi Fit).
🎵 Set the alarm clock tunes (vibration + sound on the phone).
📅 Create weekly schedules (e.g., weekday alarm clock only).

You can download it from Google Play (for Android) or through the App Store (for iOS).

2. Hidden vibration settings

In Mi Band 4, there's an undocumented ability to change the vibration intensity.

In the Mi Fit app, go to Profile → Mi Smart Band 4 → Lab.
Activate the option Enhanced vibration (if not, update the firmware).
Synchronize the bracelet.

After that, the vibration will be noticeably stronger, but the battery consumption will increase by ~5%.

3. Automatic shutdown of alarm clock by geolocation

Using the Tasker (Android) or Shortcuts (iOS) app, you can set up an automatic alarm clock to turn off when you are in a certain place (for example, on vacation).

Create a task in Tasker with the condition “Geolocation = [your home].”
Add the action "Send Notice to Mi Band" with the command disable_alarm.
Activate the task.

The alarm will only go off when you are home.

💡

If you travel frequently, set a double alarm clock on your bracelet: one for local time, one for hometown time, which will help you avoid jet lag.

FAQ: Answers to popular questions

❓ Can I set an alarm on Mi Band 4 without a phone?

Yes, but with limitations, you can add up to 3 alarm clocks straight from the bracelet, but they will go off daily without any choice of days, and you can't set up a smart wake-up by sleep phase.

❓ Why does the alarm clock vibrate but not wake up?

The vibration is probably too low. Try: Enable the increased vibration in the bracelet settings; put the bracelet tighter to the wrist (vibration is better transmitted through the skin); Use the alarm on the phone paired with the bracelet (Notify & Fitness app can duplicate the vibration).

❓ How many alarm clocks can I put on the Mi Band 4?

The official Mi Fit app has up to 5 alarm clocks, and if you use third-party apps (like Notify & Fitness), there are no restrictions.

❓ How to turn off an alarm clock for one day without removing it?

There are two ways: in the Mi Fit app, turn off the tick next to the alarm clock for the right day. On the wristband, when the alarm goes off, press the screen, it will turn off for the current day, but stay active the next day.

❓ Can you make the alarm only work on weekdays?

Yes, but only through the Mi Fit or Notify & Fitness app. When setting your alarm, select the days of the week: Pn, W, Sr, Ht, Pt. On the bracelet, this option is not directly available.

Conclusion: which way to choose?

To sum up, the optimal strategy for setting up an alarm clock on Xiaomi Mi Band 4 depends on your needs:

🔹 For daily use, settings through Mi Fit with the activation of a smart alarm clock are suitable.
🔹 For one-off occasions (e.g., early ascent to an airplane), it is more convenient to set the alarm directly from the bracelet.
🔹 If you need a lot of alarm clocks with flexible settings, use Notify & Fitness.

Keep your wristband in sync with your smartphone regularly, which will prevent alarm clocks from crashing, and if you travel frequently, set up a backup alarm on your phone or use the location rules in Tasker.

Mi Band 4 remains one of the most popular fitness bracelets due to the balance of price and functionality, and the correct setting of alarm clocks will help make your morning rises more comfortable - without sharp sound and with biorhythms in mind.