How to completely disable anti-spam on Xiaomi Poco X3 NFC: Detailed guidance with risks and solutions

Owners of Xiaomi Poco X3 NFC They often encounter the aggressive work of built-in anti-spam, which blocks not only advertising messages, but also important notifications from banks, messengers or work chats. MIUI The default includes several layers of protection: filtering SMS, The problem is that Xiaomi algorithms don’t always correctly recognize spam, especially after firmware updates, when filtering rules are tightened.

In this article, we will discuss all possible ways to disable antispam on Poco. X3 NFC — from standard settings to hidden parameters through ADB It is important to understand that a complete disabling of protection can affect the security of the device, so we will also analyze alternative solutions: fine-tuning filters, using third-party devices. SMS-If you're willing to sacrifice some protection for comfort, read on.

Why anti-spam on Poco X3 NFC block the necessary messages?

Filtration system in MIUI It works on the basis of three components:

• 📱 Local spam database – updated through Xiaomi servers and includes known fraudulent numbers (bank phishing) SMS, microloans, etc.).
• 🤖 Text analysis algorithm – searches for keywords like “winning”, “translation”, “confirm data” and automatically sends such messages to spam.
• 🌍 Cloud sync – if another user MIUI marked as spam, your device can block it automatically.

Poco's problem X3 NFC in that the model came out 2020 year and originally supplied with MIUI 12, where the antispam was less aggressive. MIUI 13/14 Many users have noticed that the system has begun to block:

• 💳 SMS from banks with one-time passwords (especially if the text contains the word "code").
• 📧 Notifications from messengers (Telegram, Viber) with links.
• 🏢 Corporate mailings with reference to "payment" or "documents".

The root of the problem lies in hard-coded filtering rules that Xiaomi does not allow to be flexible to configure through a standard interface, such as in newer models (for example, Poco). F5) The option "Exceptions for Banking" SMS", but X3 NFC It's not there. It forces users to look for workarounds.

Method 1: Disable antispam via standard MIUI settings

Before you resort to radical measures, try to disable filtering through the settings menu. This method will not remove antispam completely, but will reduce its aggressiveness:

1. Open the Messages app (the envelope icon).
2. Slip on three dots in the upper right corner → Settings.
3. Select Spam filter (or Block and filter depending on version) MIUI).
4. Turn off the sliders: 🚫 Filtering spam messages 🚫 Blocking messages from strangers 🚫 Displaying Spam Notifications (optional)

Number locking

After this, the system will stop sending messages to the Spam folder automatically, but cloud filtering (if active) can continue to work to check if there are still locks:

1. Open the Spam folder in the Messages app.
2. If there are any important ones SMS — Select them, press them again. → Move it to the inbox".
3. Ask a friend or colleague to send you a test message with a "suspicious" text (e.g., "Your confirmation code: 1234").

Test sent out. SMS confirmation-coded|The message came to the inbox, not to spam"|Notice of the message appeared in the curtain|No automatic blocking of calls from unknown numbers-->

If messages are still blocked, then the filtering is at the system level, and it must be turned off through the system. ADB It’s also worth checking if additional security apps from Xiaomi (like Security or Cleaner) that duplicate the anti-spam feature are installed.

Method 2: Disconnect via ADB (for power users)

If the standard settings don’t work, the next step is to use Android Debug Bridge (ADB). This method allows you to completely disable system antispam, but requires a connection to the computer and turn on the developer mode. ADB may disrupt the operation of the device.

Instructions to disable anti-spam via ADB:

1. Activate Developer Mode: Go to Settings → About the phone, tap 7 times on the version MIUI, until the notice "You've become a developer" appears. → Additionally. → For developers, turn on the debugging. USB and confirm the authorization.
2. Connect your phone to your PC: Install Xiaomi drivers (download from the official website). Download Google's Platform Tools (link) and unpack the archive. Open the command prompt (cmd) in the folder with the platform-tools.

Follow the commands

adb devices

(Your device should appear)

adb shell


pm uninstall -k --user 0 com.android.mms.service




pm disable-user --user 0 com.miui.antispam

After these commands are executed:

• 🔄 Reset the device.
• 📲 Check the work. SMS: Antispam should be disabled, but some features of the standard Message application may disappear (for example, group chats).

💡

If after the shutdown, the anti-spam stopped coming MMS (Multimedia messages, install third-party messages SMS-client, such as Google Messages or Textra SMS. They are not dependent on Xiaomi system services.

⚠️ Note: Disabling system packages through ADB may lead to:

• 🔴 Loss of functionality of the standard Message application.
• 🔴 Problems with obtaining OTA-Updates (the system may require the recovery of deleted packets).
• 🔴 Automatically restore antispam after resetting settings or updating firmware.

Method 3: Use of third-party SMS-applications

If you do not want to interfere with system files, an alternative is to install a third-party. SMS-Customers who ignore their anti-spam settings MIUI. Best Options for Poco X3 NFC:

To switch to a third-party application:

1. Set the selected one. SMS-client.
2. Open the app and follow the setup instructions (allow access to messages and contacts).
3. Go to Settings. → Annexes → Default applications → Annex for SMS.
4. Select the client you have installed (e.g. Google Messages).

⚠️ Note: When using third-party applications:

• 🔹 Turn off notifications in the standard Messages app to avoid duplication.
• 🔹 Export the old ones SMS before removing the standard client (through Settings) → Imports/exports).
• 🔹 Check permissions: some apps (like Truecaller) have anti-spam that can block messages.

Method 4: Modification of system files (for hardwired devices only)

If your Poco X3 NFC has an unlocked loader and installed custom recaveri (for example, TWRP), You can manually edit the system files that are responsible for anti-spam, and this is the most radical method, and it's only suitable for advanced users.

Algorithm of action:

1. Create a backup copy through TWRP (necessarily!)
2. Connect your phone to your PC and mount the partition /system:
3. Go to the folder. /system/priv-app/MiuiAntiSpam and rename the file MiuiAntiSpam.apk MiuiAntiSpam.apk.bak:
4. Reset the device.

After this procedure, the anti-spam will be completely removed from the system, but:

• 🔴 Updates MIUI They can recover the file.
• 🔴 Some functions (such as blocking calls) will stop working.
• 🔴 Risk of "brike" in the error in the teams.

💡

Modifying system files is a last resort. If you are not sure about your actions, use methods 1-3. To return to the original state, you just need to rename the file back or restore the backup through the backup. TWRP.

An alternative option for users with Magisk is to install the Disable module. MIUI AntiSpam (available in Magisk repository) This module automates the process of disabling antispam and allows you to return everything back with one click.

Method 5: Set up exceptions for important contacts

If you are comfortable with anti-spam in general, but it blocks specific numbers (such as bank numbers or workers), you can set exceptions. This is the safest method, since it does not affect system files.

How to add a number to the exceptions:

1. Open the Messages app.
2. Go to Spam and find the blocked message from the desired number.
3. Tap the message. → More. Three dots) → Not spam.
4. Open Contacts, find this number and add it to your Favorites.
5. Back to Settings → Spam filter and add a number to the White List (if such option is available).

For the bank. SMS:

• 🏦 Save short bank numbers (e.g. 900 for Sberbank, 1234 for Tinkoff) in contacts with the name "Bank [Name]".
• 📌 In the anti-spam settings, disable filtering for messages from Favorite Contacts.
• 🔄 Restart the device and check for the test arrival SMS bank.

If exceptions don’t work, try:

• 🔄 Update the Messages app via Play Market (sometimes bugs are fixed in new versions).
• 📲 Clear the application cache Messages in Settings → Annexes → Application management → Communications → Clear the cache.
• 🔧 Reset your anti-spam settings via Settings → Memory. → Cleanup → Deep Cleanup (Select Antispam).

Risks of turning off anti-spam on Poco X3 NFC

Before you completely deactivate antispam, evaluate the possible consequences:

If you decide to disable antispam, follow these guidelines:

• 🔐 Install a reliable antivirus (such as Bitdefender or Kaspersky) to protect against phishing.
• 📱 Use two-factor authentication for all important accounts (even if you have a valid account). SMS If you stop coming, you can restore access through backup codes).
• 🔄 Check your Spam folder manually regularly – sometimes useful messages still get there.

💡

For additional protection, install the app. SMS Filter (available on Play Market) allows you to create your own filtering rules that are more flexible than in the game. MIUI.

Frequently Asked Questions (FAQ)