How to Unblock SMS on Xiaomi Phone: The Complete 2026 Guide

Blocked. SMS Xiaomi smartphones are a common problem that users face after a change SIM-map, reset or activate message protection, unlike unlocking the screen, where you just need to enter a pattern lock or PIN, access SMS Often requires additional actions: from simple password entry to complex manipulation of the Mi Account account or even resetting the phone to factory settings.

In this article, we will discuss all the current ways to unlock SMS on Xiaomi, Redmi and POCO phones, from standard methods through settings to advanced solutions using ADB and Fastboot. We will focus on the nuances for different versions of MIUI (12-14) and smartphone models released after 2020. If you see a message “SMS blocked” or “Messages need to be unlocked”, here you will find a solution.

Before you start, check:

• 🔐 Password from Mi Account – without it, some methods will not be available.
• 📱 Version MIUI (find out in Settings → The phone).
• 🔄 Backup data – resetting settings will delete everything SMS.

1. Unlock SMS via standard MIUI settings

If messages are blocked because of the security enabled in the Messages app, try the easiest way to do this is to enter a password or fingerprint, which works on all Xiaomi models, including the Redmi Note 12, POCO X5 and Mi 13.

Step-by-step:

1. Open the Messages app (an envelope icon).
2. Enter the lock screen PIN-a pattern lock or code you have previously installed.
3. If you forgot your password, click “Forgot your password?” (if the option is available) and follow the system’s prompts.

Some MIUI 13/14 firmware may require confirmation via Mi Account. If you don't remember your account details, go to the next section.

Password from the "Messages" app"|Fingerprint in Security Settings|Internet connection (for synchronization of Mi Account)|Backup copy SMS (if you plan to reset)-->

⚠️ Note: On smartphones with MIUI 14 and later after 3 failed attempts to enter a password, the system can block access to the SMS In this case, only a reset or unlock through the Mi Account will help.

2 Unlocking through Mi Account (if the password is forgotten)

If your standard password is not suitable or you have forgotten it, use the Mi Account attached to your password, which only works if:

• 📧 Mi Account was tied to phone before lockdown SMS.
• 🌐 Internet access (Wi-Fi or mobile data).
• 🔑 Remember the username and password from Mi Account.

Instructions:

1. On the SMS lock screen, click “Unblock via Mi Account” (or similar button).
2. Enter your email/phone and password from your Xiaomi account.
3. Confirm unlocking via SMS or email (if two-factor authentication is enabled).

If there is no unlock button through Mi Account, try:

• 🔄 Reboot the phone.
• 📶 Connect to another network (for example, change Wi-Fi to mobile Internet).
• 📲 Update the Messages app via Google Play.

Redmi (Note 10/11/12 etc.)|POCO (X3/X4/X5 etc.)|Mi (11/12/13 etc.)|Other-->

3. Resetting the settings of the Messages app

If SMS is blocked due to a malfunction of the application, resetting its settings will help. This method will not delete the messages themselves, but will reset all security settings (passwords, fingerprints).

How to reset:

1. Go to Settings → Applications → Application Management.
2. Find the Messages app (or “Messages”) and open it.
3. Click on “Storage and Cache” → “Clear Data” and “Clear Cache”.
4. Reboot the phone.

After the reboot, open Messages, the lock should disappear. If not, try the next method.

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Before resetting the app, check if your SMS is synced to Google Messages or Mi Cloud, which will help restore messages after data clearing.

4. Unlocking through Safe Mode (Safe Mode)

If SMS is blocked by a third-party application (such as AppLock or Security), try downloading your phone to Safe Mode. In this mode, all third-party programs are disabled, and you can access messages.

How to log in to Safe Mode:

1. Press the power button until the shutdown menu appears.
2. Press the “Switch off” option (or “Switch off power”) and hold for 3-5 seconds.
3. Confirm the transition to Safe Mode.

In safe mode:

• 📱 Open Messages – If the lock is removed, delete or reconfigure the application that installed it.
• 🔄 Restart your phone to normal mode.

⚠️ Note: Some Xiaomi models (e.g. Redmi) 9A or POCO M3) If the above method didn't work, try to pin the Loudness down. + Power on-set.

5. Unlock through ADB (for advanced users)

If standard methods don’t work and a phone reset is not desirable, you can try unlocking SMS via ADB (Android Debug Bridge), which requires a computer and basic command line knowledge.

What you need:

• 🖥️ A computer with installed Xiaomi drivers and ADB.
• 📱 USB-cable (preferably original).
• 🔧 Included debugging by USB phone-on.

Step-by-step:

1. Connect the phone to the PC and allow debugging over USB.
2. Open the command line (cmd) and enter:

adb shell pm clear com.android.mms

1. Reboot the phone.

This command will reset the Messages application settings, but does not guarantee that SMS will be safe on devices with MIUI 14+ due to the changed storage architecture.

6. Complete phone reset (last resort)

If none of these things work, you'll have to reset to factory settings, which will delete all the data from your phone, including SMS, but will return access to your messages, and only use this method as a last resort!

How to reset:

1. Go to Settings → About the phone → Reset settings.
2. Select “Reset all settings” (or “Delete all data”).
3. Confirm the action and wait for the reboot.

After discharge:

• 📱 Set up your phone as new.
• 🔑 Restore data from backup (if it was created).
• 📧 Re-attach your Mi Account.

⚠️ Attention: On phones with MIUI 13/14 And the Data Protection feature that you're using after you reset, you might need to enter your Mi Account password, even if you don't remember it, and you'll have to contact Xiaomi for support.

Comparison of methods of unlocking SMS on Xiaomi

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The most reliable ways to unlock it are through Mi Account or reset the Messages app, and methods with ADB and Safe Mode may not work on newer versions of MIUI due to security changes.

Frequently asked questions