How to remove spam number on Xiaomi phone

Xiaomi smartphones today are equipped with powerful security systems that automatically detect and block unwanted calls. However, algorithms do not always work perfectly, and sometimes important contacts or numbers that no longer pose a threat fall into the lock list. Users often face a situation where the subscriber complains about the inability to reach the phone, and the owner of the phone does not even suspect that the number is accidentally blacklisted.

The unlocking process depends on the version of the MIUI shell or HyperOS, as well as on the device’s regional settings. In some cases, the numbers are locked manually by the user, in others, this is done by the built-in antivirus or security application. Understanding where the list of prohibited contacts is hiding allows you to quickly solve the problem and restore communication.

In this guide, we will go into detail all possible ways to remove a number from spam on Xiaomi. We will look at standard system tools, third-party apps and even hidden menus that will help you fully control incoming traffic. You will learn not only to delete numbers, but also to configure filters so that in the future only really malicious calls will be blocked.

Where to find a blacklist in the standard phone app

The main call management tool in Xiaomi smartphones is the standard Phone app. This is where the history of all calls and lock settings is stored. The interface may vary slightly depending on the firmware version, but the logic of the work remains the same for most models, whether it is a budget Redmi or flagship Xiaomi.

To access the settings, you need to open the app and find a menu that is often hidden behind three dots or a setting button, and this section contains the one that blocks unwanted subscribers, and this is where you can see the full list of numbers that are currently being ignored by the system.

• 📞 Open the Phone app and click on the three dots in the upper right corner.
• 🚫 Select the Lock Settings or Antispam.
• 📋 Go to the Blacklist section to see all blocked numbers.
• ❌ Click on a specific number and select the deletion or unlock option.

It is important to note that in some regions, the MIUI shell may offer the use of cloud databases to detect spam. If you activate this feature, the system can automatically add numbers to the blacklist without your knowledge.

⚠️ Note: If you have deleted a number from the blacklist but still don't get calls, check if you have a third-party number detection program installed.

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The system blacklist in the Phone app is the first and main item to check for problems with incoming calls.

Managing the lock through the Security app

In the Xiaomi ecosystem, the central permissions and restrictions management node is the Security app, which combines the functions of an antivirus, a memory cleaner and, importantly for our topic, a call filter and SMS. Often users look for settings in the phone menu, while the global lock rules are set here.

Inside the Security app, you need to find a tool that might be called Antispam or have a shield icon with a ban sign, and this module is responsible for analyzing incoming traffic, and it stores not only the numbers that have been added, but also those that have been labeled as spam, fraud or telemarketing by the system.

To manage the list, follow the following steps:

1. Launch the Security app with a green shield icon.
2. Find and open the Antispam section.
3. In the upper right corner, click on the gear icon (Settings).
4. Go to the blacklist and find the number you need.

You can also make contact exceptions from your phone book, or you can turn on the Whitelist mode, where only a select few are allowed, which is a useful feature for those who want to temporarily limit their social circle, for example, during vacations or important work.

It's worth mentioning that the Security app often displays statistics on blocked calls, which allows the user to assess the scale of the problem and understand how effective the current settings are. If you see hundreds of blocked calls a day, you may want to review your filtering settings or change your SIM card.

How to unlock the number through settings SIM-map

Not all locks come from the Android operating system or the MIUI shell. Operators provide their own services to block unwanted numbers that work at the network level. This means that the phone does not even receive a signal for an incoming call - the operator switch immediately resets the call.

The services of such services are called different operators: "Antispam", "Blacklist", "Spam protection", and they are usually managed through the use of a different service. USSD-teams or personal accounts, but sometimes the settings can be duplicated in the smartphone menu in the section responsible for the work SIM-map.

To check and change the lock settings at the SIM level:

• 📱 Go to the smartphone settings.
• 📡 Select SIM cards and mobile networks.
• 🛑 Find the section "Call Locking" or "Call Banning.
• 🔓 Enter. PIN2 code (if required) and disable the lock for the desired number.

⚠️ Attention: To control the lock at the level SIM-Cards are often required PIN2 It doesn't match the unlock code itself. SIM-If you don't know the code, you can find it in the contract with the operator or get it from the communication room.

Also, you should remember the operator's services that connect separately, for example, some providers have paid subscriptions that automatically filter spam, and removing the number from the phone will not help in this case, you need to contact the operator's personal account or use special services. USSD-commands to delete the number from the network database lock.

Third-party applications for call filtering

Many Xiaomi users prefer to install additional applications from Google Play, such as GetContact, Truecaller or Yandex.Phone.These programs have their own, often more extensive number databases than standard system tools, but they are often the reason why a number is in the “invisible” blacklist.

If you use an app like this, it can intercept incoming call management, so deleting a number through the phone's standard menu won't work, you have to go to the filter app settings, and there's usually a "Block" or "Blacklist" section where you can find and delete the contact you want.

The advantage of third-party solutions is that they allow you to block not only specific numbers, but also entire categories, such as "All hidden numbers" or "Numbers from other regions." But this creates risks: if the algorithm fails, you may miss an important call from a doctor or emergency service.

When using third-party apps, it is important to monitor their permissions, they require access to calls and contacts, which raises questions about privacy. If you decide to remove such an application, remember to clear its blacklist first or move important numbers to the system list so you do not lose data.

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Before installing a new number detector, check if it conflicts with the one already installed. The simultaneous operation of two filters can cause phone malfunctions and miss calls.

Hidden menus and engineering settings Xiaomi

For advanced users, Xiaomi smartphones have hidden menus that are accessible through special codes, one of which is the engineering menu, which allows you to test various modules of the phone, including the radio module responsible for communication. Although direct deletion of numbers from there is impossible, you can reset network settings there, which sometimes helps with software glitch locks.

You can enter code to access hidden functions through the Phone app by typing a combination of characters. Be careful: changing the parameters in the engineering menu without understanding their purpose can lead to device instability.

The safest way to reset filtering settings through codes is to use USSD-Operator commands or reset your phone app settings, however, if you are faced with a situation where the number is not explicitly blocked but calls are not getting through, reset your call settings.

To access information about the phone and network, you can use the code:

##4636##

In the Testing menu that opens, select Phone Information, where you can see the connection status and try to reset your preferred network type, which sometimes shakes up network registration and removes false locks at the radio level.

⚠️ Warning: Do not change the Radio Band or Set Preferred Network Type menu unless you are sure of your actions.

Prevention: how to configure filters so as not to block excess

So in order to avoid the question of how to remove a number from spam in the future, you better set up filters correctly from the beginning. MIUI has flexible settings that allow you to balance silence and accessibility. The main rule is not to rely blindly on automatic definitions.

It is recommended to regularly review the log of blocked calls. This takes a minute, but allows system errors. If you see legitimate numbers (such as from a bank or work) being flagged as spam, add them to exceptions or contacts immediately.

• 📝 Keep a list of important numbers in paper or in the cloud so you can contact them if the phone blocks the call.
• 🔔 Set up notifications for missed blocked calls to be aware of communication attempts.
• 🚫 Do not turn on the "Only from contacts" mode if you are waiting for calls from new people (couriers, masters).

It is also worth updating the anti-spam database. Security app settings often have the option of updating the number detector. Fresh databases contain fewer false positives, as erroneous numbers are cleared over time by the user community.

Frequently Asked Questions (FAQ)