Smart Lock on Xiaomi: where is it and how to set up the function

The Smart Lock feature on Xiaomi smartphones allows you to automatically unlock the device in safe conditions – for example, at home, when connected to a trusted Wi-Fi network or if you have a proven Bluetooth device nearby. This is convenient, but it is not always obvious where this setting is located in the MIUI firmware. Depending on the phone model and system version, the path to the Smart Lock may differ, and sometimes the function is completely hidden behind additional parameters.

In this article, we’ll look at all the possible ways to find a Smart Lock on Xiaomi, including models with MIUI 12/13/14 and HyperOS. You’ll learn how to activate the feature, what types of “trusted conditions” are supported, and what to do if the option is not on the menu. We’ll also look at typical configuration errors and how to fix them – from resetting security settings to manual activation via ADB.

What is a Smart Lock and Why You Need It on Xiaomi

Smart Lock is a technology from Google integrated into Android that makes it easier to unlock a smartphone in a safe environment. On Xiaomi, it works on top of standard security methods (PIN, pattern lock, fingerprint) and allows you to:

• 🔓 Automatically unlock your phone when connected to a trusted Wi-Fi network (such as at home or work).
• 📱 Disable the lock when the device is near a trusted Bluetooth gadget (earphones, fitness bracelet, car system).
• 🏠 Use geolocation to unlock in certain locations (requires switched on) GPS).
• 👤 Face or voice recognition (on some models, Xiaomi is integrated with Face Unlock).

The main advantage is the balance between safety and convenience. You don't sacrifice reliability (PIN-A code or fingerprint is still required under untrusted conditions, but you don't have to enter it hundreds of times a day, but there are risks: if an attacker gains access to your Wi-Fi or Bluetooth device, they can unlock your phone.

⚠️ Warning: Smart Lock does not cancel the main lock, it only temporarily disables it in trusted conditions, after restarting or if the phone is not used for a long time, you will need to enter it. PIN-code or other basic method.

Where is Smart Lock in Xiaomi Settings?

The path to Smart Lock settings depends on the version of MIUI or HyperOS, as well as on regional firmware. Below are the current options for most Xiaomi, Redmi and POCO models.

Method 1: Standard Path (MIUI 12–14, HyperOS)

On most devices, the function is hidden in the security settings.

1. Open the Settings app (cog icon).
2. Go to Passwords and Security (or Screen Lock and Passwords).
3. Select the screen lock settings.
4. Scroll down and find the “Smart Lock” option (may be called Smart Lock or Trusted Devices).

If there is no item, try an alternative path:

• 🔍 In the Settings Search bar (top right corner) enter Smart Lock or Smart Lock.
• 📱 On some firmware, the function is hidden in Additional settings → Confidentiality.

Method 2: Google Smart Lock (if not in MIUI)

On some Xiaomi models (especially those with global firmware), the Smart Lock is implemented through Google services.

1. Open “Settings” → Google → Manage your Google account.
2. Go to the Security tab.
3. Find the section "Smart Lock for Android".

If there's no function here, it might be disabled at the firmware level, and then manual activation through ADB will help.

Table: Ways to Smart Lock depending on firmware

⚠️ Note: On devices with Chinese firmware (without global) ROM) Smart Lock is often missing due to local restrictions, in which case the reflashing to the global version or use will help. ADB.

How to set up Smart Lock on Xiaomi: step-by-step instructions

Once you have found the feature, you need to configure it correctly. Let’s take a look at the process using Google’s Smart Lock (the most versatile way):

1. Add a trusted device: Select Trusted Devices → Add a trusted device. Connect a Bluetooth gadget (such as Xiaomi Mi Band or headphones). Confirm the connection on both devices.
2. Configure trusted locations: Select Trusted Places → Add a seat. Enter an address (such as a home or office) on Google Maps. Set a range (100-200 meters recommended).
3. Activate voice/face recognition (optional): In the Voice Match section, write down a voice sample. In Face Recognition, add your image (only works on models with a voice image). IR-camera).

After setting up, check the function: exit the trusted area and return back – the phone should unlock automatically.

Make sure Bluetooth and Wi-Fi are enabled|Update Google Play Services|Shut down. VPN (may interfere with geolocation)|Check that the main method of blocking (PIN/print) active-->

Why Smart Lock may not be available in the settings

If you didn’t find Smart Lock on the menu, the reasons may be as follows:

• 📱 Regional restrictions: Chinese firmware often disabled, so the solution is to reflash the device to the global ROM.
• 🔄 An outdated version MIUI: On versions below MIUI 10 Smart Lock may be missing. Update the system.
• 🛠️ Custom firmware: Some modified builds remove the feature. Try resetting or returning stock firmware.
• 🔒 Security Policy: On corporate devices or phones with Knock Code, the feature may be blocked.

If the problem isn’t firmware, try manual activation via ADB:

⚠️ Attention: Use ADB The wrong commands can disrupt the system. Before experimenting, back up the data.

Common Errors in Smart Lock and Its Solutions

Even after a successful setup, Smart Lock may not work properly, and here are the most common problems and ways to fix them:

If the problem is not solved, try:

• 🔄 Reset Smart Lock Settings: Remove all trusted devices and places, then add them again.
• 📱 Clear the cache of Google services: Go to Settings → Annexes → Application management → Google Play Services → Warehouse → Clear the cache.
• 🔒 Disable battery optimization for Google Play Services (may interfere with geolocation).

💡

Smart Lock is no longer working after a shift SIM-Maps, check network settings. Some operators block background data transmission for Google services.

Smart Lock Security: Risks and How to Minimize

Smart Lock is convenient, but not without vulnerabilities.

• 🏠 Wi-Fi spoofing: An attacker can create an access point with the same name as your home network and unlock your phone.
• 📱 Bluetooth device theft: If your headphones or fitness bracelet are stolen, they can be used to unlock.
• 📍 spoofing GPS: It is theoretically possible to fake a location to fool a geolocation trigger.

To reduce the risks:

1. Use a combination of methods (e.g. Wi-Fi + Bluetooth) rather than a single trigger.
2. Check the list of trusted devices regularly and remove unnecessary ones.
3. Set up automatic lock after 1-2 minutes of inactivity (Settings → Lock screen → Autolock).
4. Turn off Smart Lock in public places or travel.

⚠️ Warning: If you sell or transfer a phone, be sure to disable the Smart Lock and remove all trusted devices, otherwise the new owner will be able to unlock the device without your knowledge.

💡

Smart Lock does not replace the main password, but only complements it. PIN-code or biometrics as a backup method.

FAQ: Frequent questions about Smart Lock on Xiaomi