Xiaomi smartphone owners often face intrusive calls from advertising agencies or unknown numbers, which can be seriously annoying in everyday life.The Redmi 5 Plus model, despite its age, remains popular due to its quality screen and autonomy, but the MIUI software has its own unique customization features. Users often look for exactly where the blacklist in the Xiaomi Redmi 5 Plus phone hides, as the standard interface is not always obvious to beginners.
In this article, we will take a look at all the possible ways to access lock functions, explore the hidden features of the system and help you clear the contact list of unwanted subscribers. You will learn how the built-in call filter works and what alternative methods exist to maximize the protection of your personal space. Setup lock will take only a couple of minutes, but will save you a lot of nerves in the future.
Standard access through the phone application
The easiest and most obvious way to find a blacklist on Redmi 5 Plus is to use a built-in app to make calls. In the MIUI shell, lock functions are integrated directly into the caller, which makes contact management convenient and fast. You do not need to download third-party software, since the basic functionality fully covers the needs of most users.
To start, open the standard Phone app and look at the gear icon or the three dots at the top of the screen. By clicking on this interface element, you'll be taken to the settings menu where you want to select Lock, and that's where the main dataset about the banned numbers is stored and the rules for filtering incoming calls are configured.
⚠️ Note: The menu interface may vary slightly depending on the version of the installed firmware MIUI (Global, China or Russia. If you do not find the specified item, try searching it in the general settings of the system. Inside the lock menu you will see a list of already added numbers, and you can also activate the Do Not Disturb mode or configure the lock of hidden numbers. The blacklist in this version of the interface is autonomous and doesn’t require an internet connection to function, which is especially important for those who want to save traffic and battery power on their device. 💡Use the lock function SMS together with the blocking of calls to completely isolate the unwanted subscriber from contacting you. A unique feature of Xiaomi smartphones is the presence of the system application Security, which combines antivirus, memory cleaning and spam protection tools. Where is the blacklist in the Xiaomi Redmi 5 Plus phone if you can not find it through the “ringer”? The answer lies in this multi-functional app, which is preinstalled on every device of the brand: Launch the Security app (green icon with shield) and scroll down to the Antispam section. Here you can get more detailed control over incoming traffic, including the ability to create complex filtering rules, so you can block not only specific numbers, but also entire categories of calls, for example, from hidden numbers or from other regions. 📞 Blacklist – Direct access to the list of blocked contacts with the option of manual addition. 🚫 Keyword Blocking – Filtering SMS-messages containing certain phrases. 🌍 Geo-blocking – banning calls with codes of certain countries or cities. 📅 Schedule: Automatically activate lock mode at a given time of day, and using the Security app provides a deeper level of control than a standard "call." You can set up behavioral patterns for unknown numbers by sending them straight to voicemail or by dropping a call without notifying the phone owner. Anti-spam filters are regularly updated through cloud databases, which improves the effectiveness of protection. 📊 How do you most often block spam calls?Through the Phone ApplicationThrough the Security ApplicationThrough third-party applicationsPersonally do not block Adding numbers to the lock list After you found where the blacklist in the Xiaomi Redmi 5 Plus phone, the issue of adding There are several ways to make contact to the database of prohibited, and the choice of method depends on the current situation. You can block numbers from the call history, contact list or manually enter a digital sequence. The fastest way is to open a call history, find the intruder's number and click on it (or the "i" icon next to it). In the menu that opens, select the option Add to the blacklist. The system will instantly make changes, and the next calls from this number will be automatically rejected. This method is ideal for prompt response to spam. If you need to block a number that is not in history, go to the Antispam menu and click on the plus or Add icon. In the window that appears, select the source: contacts, recent calls or manual input. Manual entry allows you to enter numbers with country codes, which is useful for blocking international spam. ☑️ Check the number Addition Open call history Select the number Click Add to the blacklist Check the presence in the list of locks: 0 / 4 It is important to note that when you add a number to the blacklist, the subscriber can hear different signals depending on your settings. SIM-Most often, the caller hears short horns, as in class, or long horns, as in the absence of a response. Xiaomi does not send notifications of blocking to the phone of the caller, keeping your anonymity. List management and contact deletion From time to time, it is necessary to clean the blacklist, as some numbers may be added incorrectly or the subscriber situation resolved peacefully. List management in Redmi 5 Plus is implemented intuitively, allowing you to edit the database at any time. Regular check of the list will help avoid missing important calls. To delete the number, return to the Antispam menu or lock settings in the Phone application. You will see a full list of all blocked contacts. Click on a specific number and select the option Delete or Unblock. Confirm the action, and communication with this subscriber will be restored. Action Where to find Result Unblock One Number Menu Antispam → List → Delete Calls and SMS are free Clear the entire list of Antispam Menu → Settings → Clear All Locks Are Unlocked Temporary Lock Mode Do Not Disturb The Lock is on schedule Block unknowns Blocking Unknowns → Blocking Unknowns Are All Numbers Hidden from Contacts There is also the possibility of exporting and importing the blocking list, although in the standard MIUI menu this feature can be hidden or require root rights. For the average user, it is enough to know that the list is cleared instantly and does not require rebooting of the device (theres is usually not to be heard by the user). The exact signal depends on the operator and the selected lock mode in the settings. MIUI. SMS messages from blocked numbers do not come to the standard message application, but are stored in a separate spam folder inside the Antispam application. Sometimes Xiaomi's built-in tools are not enough, or the user prefers to use the services of his mobile operator. Where is the blacklist on the Xiaomi Redmi 5 Plus phone if the system methods do not work? USSD-The codes and services provided by cellular companies that operate at the network level, not the device level, are offered by telecom operators, such as Anti-Detector or Blacklist, which are activated through special combinations of numbers. For example, for MTS, Beeline, Megaphone or Telepresence there are their own activation codes. These services are often paid, but they ensure that the call will not pass even if the phone is turned off or is out of access zone *110*44# (The example is for one of the operators, and press the call button, and then the settings are applied on the server side, and the Redmi phone is used. 5 Plus just doesn't get the call signal. It creates an extra layer of protection that you can't get around with a change. SIM-card on another phone. ⚠️ Note: Using the operator's number-locking services may be a fee. Check your carrier's rates before activating the codes to avoid unexpected costs. It’s also worth mentioning the possibility of using third-party apps from Google Play, such as Calls Blacklist or Truecaller. They can duplicate system functions, but offer more flexible settings, such as masked number locking or integration with online spam databases. 💡Combination of system locking MIUI The service provider provides maximum protection against unwanted calls and SMS-Frequently asked questions (FAQ) Will Missed Call Notifications Come From Locked Numbers? in Standard Settings MIUI Notifications of missed calls from blocked numbers are not displayed in the notification curtain. However, a record of the attempted call can be saved in the call log (marked with a special icon) or in the Antispam application log. Can a blocked subscriber leave a voice message? It depends on your voicemail and carrier settings. Redmi 5 Plus phone level lock resets the call, but if you have a voicemail service on the operator side, the caller can switch to it. To completely eliminate contact, you need to turn off voicemail separately. Do you reset your blacklist settings when you reflash the phone? Yes, when you completely reset your settings to the factory (Wipe Data) or reflash the device, all local settings, including the blacklist, will be deleted. It is recommended to make a backup of the data in advance, or to restore the phone's important data list after you have the system's backup. Xiaomi’s built-in blacklist only works when the phone is turned on, as the call is processed by the device’s processor. If the phone is turned off, only your mobile carrier’s Blacklist service running on network equipment can lock you.