How to connect Xiaomi thermometer to your phone: instructions for all models (2026)

Xiaomi’s smart thermometers are not just temperature-measuring gadgets, but full-fledged health monitoring assistants, which transmit data directly to your smartphone, store your measurement history, and even know how to alert you to critical indicators, but many users face difficulties when they first connect: the app does not see the device, the connection is cut off, or the data is displayed incorrectly.

In this article, we will discuss all the ways to synchronize Xiaomi thermometers (including the Mi Thermometer 2, Mijia Bluetooth Thermometer and Xiaomi Smart Thermometer models). E1) You'll learn which app to choose, how to solve common bugs, and what settings to optimize for stable performance. And if you've already had experience with these gadgets, vote in the poll below!

πŸ“Š What is the thermometer Xiaomi has?
Mi Thermometer 2
Mijia Bluetooth Thermometer
Xiaomi Smart Thermometer E1
Other
I haven't bought it yet.

What Xiaomi thermometers can be connected to the phone

Xiaomi has several smart thermometer models, but not all of them support synchronization with a smartphone. Here is the current list of compatible devices (2026):

  • πŸ”Ή Mi Thermometer 2 is a contactless infrared thermometer with Bluetooth 5.0. Connects via Mi Home or Mi Fit.

Important: models without Bluetooth module (such as the Xiaomi Mi Bunny Thermometer for children) do not support phone connection.

ModelTypeAnnexCompatibility with iOSFeatures
Mi Thermometer 2InfraredMi Home/Mi FitYes.Measures body and environmental temperature
Mijia Bluetooth ThermometerElectronicMi HomeYes.Waterproof case, memory for 32 dimensions
Xiaomi Smart Thermometer E1ElectronicMi HomeNo.Budget version, no alerts

⚠️ Warning: If you buy a Xiaomi thermometer to connect to your phone, check for the Bluetooth logo on the package!

What application is needed to connect

The choice of app depends on the thermometer model and the region of purchase. In 2026, Xiaomi uses three main platforms:

  1. Mi Home is a universal application for all devices of the Mi Ecosystem ecosystem, suitable for most thermometers, but requires a Xiaomi account.

For users from Russia and Europe, it is important to take into account regional restrictions:

  • 🌍 In Mi Home, you need to select the China Mainland region (China), otherwise the thermometer may not appear in the list of devices.
  • πŸ“± Mi Home is more stable on iOS than Android, but requires permission to access Bluetooth in the background.
  • πŸ”„ If the thermometer is purchased in China, it can only be used for Mi Home. CN (Chinese version of the app).

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Before installing the app, check if your phone supports Bluetooth 4.2 or later. Older versions (such as Bluetooth 4.0) may not provide a stable connection to the thermometer.

Step-by-step: how to connect Xiaomi thermometer to the phone

Consider the universal algorithm for the Mi Thermometer 2 model (similar to other Bluetooth thermometers) and the entire process will take no more than 5 minutes.

Install Mi Home (App Store/Google Play)

Register a Xiaomi account (or sign in to an existing one)

Turn on Bluetooth and geolocation on your phone

Remove the thermometer from the package and remove the protective film from the battery

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Step 1: Adding the device to Mi Home

1. Open Mi Home and press. + β†’ Add the device.

2. Select Health category (or Health in English version).

3.In the list, find Mi Thermometer 2 (if there is no model, check the region in the profile).

4. Press Connect and wait for the application to find the device.

Step 2: Synchronization and adjustment

1. When the thermometer appears on the list, click on it and confirm the connection.

2. Assign a name to the device (for example, a child thermometer) and select a room (optional).

3. In the device menu, include options:

  • πŸ”” High temperature notifications (threshold adjustable)
  • πŸ“Š Preservation of measurement history
  • πŸ”„ Autosynchronization (for background data transmission)

Step 3: First dimension

1. Turn on the thermometer with a long press on the power button (in some models, activation occurs automatically when removed from the case).

2. Hold the sensor to your forehead (for infrared models) or place it under your arm (for electronic models).

3. Wait for the sound signal - the data will automatically be transmitted to the application.

⚠️ Warning: If the thermometer doesn't connect, try resetting it to factory settings. To do this, press and hold the power button for 10 seconds until the indicator flashes red.

What if the Mi Home doesn’t see the thermometer?
1. Make sure the thermometer is charged (some models don’t have a charge indicator – try replacing the battery). CR2032). 2.Reboot your phone and turn off/on Bluetooth. 3. In the phone's Bluetooth settings, delete all previously paired devices called "Mi Thermometer." 4. Check that the "China Mainland" region is selected in Mi Home (even if you're not in China). 5. If nothing helps, try connecting through the Mi Fit app – sometimes it works more stable.

Set up notifications and automatic synchronization

To Xiaomi thermometer not only transmit data, but also notify about important changes, you need to properly configure notifications:

1.In the Mi Home app, go to your thermometer card.

2.Push on. βš™οΈ Settings β†’ Notifications.

3. Activate the High Temperature Warning option and set a threshold (e.g., 37.5)Β°C).

4. Enable Background Sync (on Android, also allow auto-run for Mi Home in your phone settings).

For iOS, additionally:

  • πŸ“± Go to the iPhone Settings β†’ Mi Home β†’ Notifications and Enable Sounds and Banners.
  • πŸ”„ B Settings β†’ Confidentiality β†’ Select geolocation services for Mi Home Mode When using.
ParameterAndroidiOS
Background synchronizationAllow auto-start and work in the backgroundEnable "Update in the background" in the application settings
GeolocationNot requiredMake sure to
NotificationsConfigure in the application and in the systemPermission is required in Settings β†’ Notifications

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On iPhone, the thermometer Xiaomi can disconnect from Bluetooth via 10-15 To avoid this, open the Mi Home app periodically or enable the "Allow Bluetooth in the background" option in your iOS settings.

Common mistakes and their solutions

Even with the right connection, users are having problems. TOP-5 errors and ways of eliminating them:

1. The thermometer connects but does not transmit data

Reasons:

  • πŸ”‹ Battery is discharged (even if the indicator is on).
  • πŸ“΅ Weak Bluetooth signal (distance greater than 10 meters).
  • πŸ”„ Conflict with other devices (e.g. headphones).

Solution: Reset the thermometer (remove the battery for 30 seconds), disable other Bluetooth devices, and repeat sync.

2 Mi Home app doesn't see the thermometer

Reasons:

  • 🌐 Incorrect region in profile (should be China Mainland).
  • πŸ“± Outdated version of the app (update in App) Store/Google Play).
  • 🚫 Thermometer is already linked to another account.

Solution: Reset the thermometer to factory settings (see instructions above) and try connecting via Mi Fit.

3. the data is displayed incorrectly (e.g. 0)Β°C)

This error is typical for Mi Thermometer 2 when first used.

  1. Remove the device from the Mi Home.
  2. Turn off the thermometer, wait 1 minute and turn it on again.
  3. Reconnect, wait for firmware updates (if available).

4.The thermometer shuts down in a few minutes

The problem is the power saving of the phone.

  • πŸ”‹ Go to Settings. β†’ Battery β†’ Optimizing the battery.
  • πŸ” Find Mi Home in the list and select Not Optimize.

For iOS: Enable the Mi Home option to Update in the background (see section above).

5. High temperature notification is not working

Reasons:

  • πŸ”” Notifications disabled in phone settings.
  • πŸ“΅ The thermometer was not synchronized with the phone at the time of measurement.
  • πŸ”„ The threshold is set too high.

Solution: Check notification settings in Mi Home and perform a test measurement that exceeds the threshold.

⚠️ Note: Xiaomi Smart Thermometer E1 stopped transferring data after updating the firmware, try rolling back the Mi Home app version to 5.9.50 (APK You can download from APKMirror).

How to export measurement data

Measurement history in Mi Home or Mi Fit is stored for a limited time (usually 30 days) to save data for a long time, it can be exported:

Method 1: Manual export to PDF/Excel

1.In the Mi Home app, open the thermometer card.

2.Click on History. β†’ Export of data.

3. Select the format (PDF or CSV) period (e.g. the last 7 days).

4. The file will be saved in the Downloads folder of your phone.

Method 2: Synchronization with Google Fit/Apple Health

1.In Mi Fit go to Profile β†’ Settings β†’ Synchronization of data.

2. Connect to your Google Fit or Apple Health account.

3. Allow access to temperature data.

4.The measurements will now be automatically copied to the selected application.

Method 3: Using Third-Party Services

For advanced users, services like IFTTT or Home Assistant:

  • πŸ”— V IFTTT Create an applet with a trigger New Dimension in Mi Home and action Save in Google Sheets.
  • 🏠 In Home Assistant, you can integrate with Mi Home through the component. xiaomi_miio.

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If you keep a health diary, export your data weekly, and if you reset your phone or delete the Mi Home app, your measurement history will be lost!

Xiaomi thermometer comparison: which to choose in 2026

If you haven’t bought a smart thermometer yet, here’s a comparison table of current models, taking into account compatibility and functionality:

ModelTypeprecisionTime of measurementFeaturesPrice (2026)
Mi Thermometer 2InfraredΒ±0.2Β°C1 sec.Contactless, measuring air temperature~2500 β‚½
Mijia Bluetooth ThermometerElectronicΒ±0.1Β°C30 seconds.Waterproof, 32-dimensional memory~1800 β‚½
Xiaomi Smart Thermometer E1ElectronicΒ±0.1Β°C60 seconds.Budget, no notices~1200 β‚½
iHealth Thermometer PT3InfraredΒ±0.2Β°C1 sec.Certified for medical facilities, working with iHealth MyVitals~3500 β‚½

Selection recommendations:

  • πŸ‘Ά Mi Thermometer 2 is better for children – contactless measurement is safer.
  • πŸ’° If you need a budget option – Xiaomi Smart Thermometer E1, but without notice.
  • πŸ₯ For medical use, choose the iHealth Thermometer. PT3 (certificates).
  • 🌑️ To monitor the air temperature in the room, Mi Thermometer 2 is suitable (there is an environmental mode).

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Xiaomi infrared thermometers (such as Mi Thermometer 2) are less accurate at measuring body temperature than electronic ones. For medical purposes, it is better to use contact models or certified devices (such as iHealth).

FAQ: Frequent questions about connecting Xiaomi thermometers

Can you connect a Xiaomi thermometer to two phones at the same time?
Xiaomi thermometers support binding to only one Mi Account Home/Mi Fit. To transfer access to another user, you need to: Untie the device in the application settings; Pass the username / password from the Xiaomi account (not recommended for security reasons); or use the Share in Mi Home (not available for all regions).
Why does the thermometer show the temperature at 0.5?Β°C lower than mercury?
This is a normal error for electron and infrared thermometers: πŸ” Incorrect positioning: For infrared models, the distance to the forehead should be 3-5 centimeter. 🌑️ External factors: sweat, cosmetics or hair may distort readings. βš–οΈ Calibration: Xiaomi electronic thermometers often understate the value of "insurance." 2-3 Sequential measurements and take the average.
How to Reset a Xiaomi Thermometer if it Does Not React to the Buttons
If the thermometer is getting stuck or not turning on: Remove the battery (if any) on 5 For models with a battery (e.g. Mi Thermometer) 2) Press and hold the power button. 15-20 If nothing helps, connect the device to charge (for models with a flash). USB-C) For the Mijia Bluetooth Thermometer, the reset is done by holding the button. 10 second-to-double.
Can I use a Xiaomi thermometer without a phone?
All Xiaomi thermometers are autonomous: πŸ“Ÿ Mi Thermometer 2 shows the temperature on the screen. πŸ”Š Mijia Bluetooth Thermometer emits audible signal and saves the last 32 dimensions in memory. ⚠️ Without a phone, you won’t be able to keep a measurement history and receive notifications.
How to update the firmware of the thermometer Xiaomi?
The firmware updates automatically via Mi Home, but you can start the process manually: Open the device card in Mi Home. βš™οΈ β†’ Update firmware. If the update is available, confirm the installation and wait until it is completed (don't turn off Bluetooth!). For Mi Thermometer 2, the current firmware version for 2026 is 1.4.7.