Xiaomi smartphone owners often face intrusive advertising and fraudulent calls that can come at any time of the day. For the Redmi Note 8 model, running on the shell of MIUI, there is a built-in powerful protection mechanism that allows you to effectively cut off unwanted traffic.
The security system in Xiaomi devices is integrated at a deep level, allowing you to filter calls and messages before they disturb the user. However, standard settings are not always activated by default in maximum mode, requiring manual intervention for full operation. Understanding the principles of anti-spam filters will help you create a reliable barrier against advertising bots and telemarketers.
In this article, we will discuss in detail all available methods of blocking, from standard system tools to install specialized software. You will learn how to configure a blacklist, use smart databases and what subtleties work with the system has to do. SIM-maps of different operators on the device.
The main tool for protecting against unwanted intrusion in your personal space is the pre-installed system application Security. This is where all the key levers of incoming traffic control are concentrated, including antivirus, memory cleanup and, of course, the blocker. On Redmi Note 8, this module works stably and does not require the installation of additional components for basic protection. To start, you need to launch the application with the green shield icon on the home screen or in the Tools folder. In the opened menu, you should scroll down to the Antispam section, which is usually located next to the item "Black filter, this new item can be activated." The system allows you to flexibly adjust your response to incoming events, from completely ignoring a call to redirecting to a special log. It is important to note that locking at the system level does not consume battery power as intensively as third-party applications running in the background. ⚠️ Warning: When turning on aggressive filters, make sure that important numbers (such as from a bank or courier) are not blocked accidentally.
Setting up blacklist and call filters Blacklist function in MIUI It allows you to create personalized rules for incoming connections, so you can add a specific number manually or you can use automatic templates. This is especially true for those who often receive calls with codes of certain regions or from companies whose numbers change but remain in the same series. To add a number to the lock, go to the Blacklist menu and click the add button (usually this is a plus in the corner of the screen). Additions from call history, contacts or manual input are available, and it is also possible to block entire ranges of numbers, which is convenient for cutting off mass calls. 📞 Prefixed blocking: Allows you to block calls from all numbers that start with certain numbers, such as toll line codes. 🚫 Hiding Unknowns: The function automatically rejects calls from numbers hidden by the determinant (No. ID). 📱 Do Not Disturb: Integration with System Silence Mode, allowing you to skip only selected contacts. 📊 What type of spam do you most often worry about?Advertising calls from banks SMSHidden numbers Robot operators
Spam protection-SMS Spam in the form of text messages often carries not only advertising in nature, but also a real security threat. SMS Redmi Note 8 It can recognize keywords and links that are characteristic of fraudulent mailings. Activation of this module requires a careful approach to the setting of keywords, so as not to lose important notifications from services. SMS. You can turn on the blocking of messages containing the words "credit", "win", "promotion" and other advertising markers, the system analyzes the contents of the message and, if it matches the filter, moves it to a separate folder "Spam", without displaying incoming. 💡Check the spam mail folder periodically. Sometimes confirmation codes from banks or delivery services that the system mistakenly considered advertising can get there.
Smart databases and number detection The effectiveness of dealing with unknown numbers depends on the relevance of the databases used. The built-in number detector in MIUI uses cloud services to identify callers. If the number is marked by other users as “Spam” or “Fraudsters”, your phone will warn about this or automatically reset the call. To properly work this feature, you need to make sure that the “Update databases” option is enabled in the antispam settings. The device will periodically request fresh lists of numbers, which is critical, as scammers constantly change the SIM card becomes less effective. Filter type Action description Recommended status Hidden numbers Blocking calls without a determinant Included Advertising Bases Using cloud spam lists Included Keywords SMS Filtering by text message Customized Quiet Mode Complete Ignorance at a given time As necessary
Installation of third-party applications to strengthen protection If built-in tools are not enough, owners of Redmi Note 8 The market leaders are applications like Kaspersky Who Calls, Yandex.Definition or Truecaller, which offer more detailed databases and additional functions such as recording conversations or searching by organization. However, installing third-party software requires advanced permissions, and the application needs access to contacts, a call log, and a microphone, which poses potential risks of leakage of private information, so you only need to choose proven solutions with a good reputation. ☑️ Criteria for choosing an anti-spam application The presence of the official developer page User reviews are not lower 4.5Minimum set of permissions requested Regular database updates No intrusive advertising within the application: 0 / 5