Owners of Xiaomi and Redmi smartphones often face the need to temporarily restrict access to unwanted contacts, but after a while there is a reverse need to return communication. the Redmi 7A model, despite its age, remains popular thanks to its reliable MIUI shell, which has its own characteristics in call management. The process of adding and removing numbers from locking is implemented somewhat differently than in stock Android, which can cause difficulties for inexperienced users.
To make matters worse, depending on the firmware version (Chinese or global) and the type of call installed (standard MIUI or Google Phone), the paths to settings may differ. The blacklist in the system works at the system services level, so simply removing the contact from the address book will not be enough - the number will remain locked in the depth of the settings. In this article, we will discuss all possible ways to solve the problem, eliminating the risk of error.
Before we take action, we need to determine exactly which method the subscriber was blocked, whether it's a standard system function, a third-party anti-spam application, or even a mobile operator service, and understanding the source of the lock is key to successful communication recovery, and then we'll look at the algorithms for each of these scenarios, focusing on the Redmi 7A interface.
Definition of the type of lock on Redmi 7A
The first step in unlocking is diagnostics. There are multiple layers of call filtering on Xiaomi devices. Most often, users use the built-in MIUI shell functionality that is integrated directly into the Phone app. However, the Redmi 7A may have installed third-party solutions such as Truecaller or Getcontact that intercept incoming call management.
To understand where to look for settings, try to analyze the behavior of the phone when a blocked subscriber calls. If the call is reset instantly or the subscriber hears short horns and nothing appears on your screen, most likely the system blocker works. System lock usually does not require additional rights and works even after the device is restarted, in which case the settings are inside the standard call application.
If you see a notification from a third-party application or the call simply does not pass through the interface of a certain program, then the management is intercepted by external software. In such cases, it is useless to look for a solution in the MIUI settings. Redmi 7A has a limited amount of RAM, so many users install light anti-spam applications that take on the blacklist function.
⚠️ Note: If you use a corporate phone or device with installed MDM-In the case of profiles, the blacklist settings can be blocked by the network administrator, in which case it is impossible to change the parameters independently.
It’s also worth considering that some carriers provide network-level Anti-Determinator or Blacklist services, in which case the phone’s settings don’t matter, as filtering happens before the signal reaches your Redmi. 7A. You can check this by temporarily disconnecting it. SIM-card or moving it to another phone – if the lock is maintained, the problem is on the operator’s side.
Unlocking through the standard application Phone MIUI
Most Xiaomi devices, including Redmi 7A with global firmware, have a branded call installed by default. The interface of this application is full of features, but the settings menu is sometimes hidden behind additional tabs. To access the lock list, you need to open the Phone app and find the gear icon or three-dot menu, usually located in the upper right corner of the screen.
Once you enter the menu, select Settings (or Call Settings). Inside this section, the option you want can be called differently depending on the MIUI version: Lock, Blacklist, or Antispam. This is where you store the database of the numbers that are not allowed to enter. Deleting the number from here is instant, and the subscriber can contact you again.
Inside the lock section, you'll see a list of all the forbidden contacts and numbers. The interface allows you not only to delete them, but also to edit the rules. For example, you can configure the lock by keywords in SMS or hidden numbers. To unlock a particular contact, you just click on it and select the appropriate command, often indicated by the trash bin icon or red cross.
☑️ Checking the call settings
Importantly, some versions of the Redmi 7A MIUI can move these settings to a separate Security system application. If you don't find the right items on the call, try running a green app with a shield icon that is pre-installed on all Xiaomi smartphones. There, under the Antispam section, duplicates all call and message lock settings.
Use of the Application Security and Antispam
Security is the central control node in Xiaomi devices, which combines antivirus, memory cleaner and, importantly for our theme, call lock module. On Redmi 7A, this tool is especially important because it is optimized to work with limited hardware of the device, providing filtering without unnecessary load on the processor.
To enter the lock menu, open the Security app and look for the Antispam icon (usually a ban sign shield or a black square list). In the window that opens, click on the gear icon in the upper right corner to go to the advanced settings. Here you will find the Blacklist, which contains a full database of blocked numbers, including those added through the Phone app.
The advantage of using the Security app is that it has more flexible logging settings, so you can not only remove the number from the blacklist, but also view the history of blocked calls and messages. This is useful if you want to first make sure that this number was blocked before you lift the ban. The blocking history helps identify the subscriber, even if it is not in your contact book.
| Function | Location on the menu | Action for unlocking |
|---|---|---|
| Blacklist | Security → Antispam → Settings | Tap to number → Delete |
| Blocking hidden | Antispam → Settings → Blocking | Turn off the switchboard |
| Keywords | Antispam → Settings → Keywords | Remove the rule |
| Silence mode. | Settings → Sound → Do not disturb | Modify exceptions |
It’s worth mentioning that the Redmi 7A Security app may require periodic updates of malicious number databases over the Internet. Make sure your device is connected to the network so that anti-spam functions work properly. However, it doesn’t require Internet to simply unlock an already listed number – all data is stored locally in the phone’s memory.
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If you can’t find the Security app on your desktop, search the app menu or the Tools folder, where it often fits by default.
Settings in the Google Phone application
Many Redmi 7A users prefer to replace the standard MIUI call with the Google Phone app, which often comes bundled with Google Camera (GCam).The interface of this application is more minimal and complies with the standards of “pure” Android. The logic of the blacklist here also differs from Xiaomi solutions.
To unlock a number in Google Phone, open the app and click on the three vertical dots in the top right corner. In the drop-down menu, select Settings. Next, you're interested in the "Blocked Numbers" section, which displays a list of all contacts and numbers that are not allowed to call you or send SMS.
The deletion process is simple: next to each locked number there is an "X" icon or an "Unlock" button. Pressing this element instantly eliminates the subscriber from the blacklist. Google Phone also allows you to block unknown numbers (hidden identifiers), and this setting can also be found in this menu. If the "Block Unknown Numbers" switch is active, calls from numbers not saved in contacts will not come.
The important difference is that Google Phone can sync the lock list with a Google account, which means that if you unlock a number on Redmi 7A, it can automatically unlock on your other devices that use the same account and app, which is convenient for maintaining a uniform security policy across all gadgets.
⚠️ Note: When switching from a standard call MIUI On Google Phone, previously installed locks may not be transferred automatically. Check both apps if you recently changed the default call.
Third-party applications and their impact
If standard methods fail, the Redmi 7A is likely to have a third-party call management app, and popular programs like Truecaller, Call Blocker, or Should I Answer have their own databases and lock mechanisms that run on top of the system, often requiring special permissions to work.
To check, open the list of installed applications and find programs associated with calls or a number detector. Go to the settings of the application you find and look for the sections "Blacklist", "Blocked Calls" or "Blocking." That's where the number you're looking for may be hiding. Deleting from the list inside the application usually solves the problem.
Often, these apps have an “aggressive lock” feature based on crowdsourcing databases, and if a number is labeled “Spam” or “Telemarketing” by thousands of users, it can be blocked automatically even if you haven’t entered it manually, in which case you need to find the “Unblock” option in the application settings or change the filter sensitivity level.
How to remove the blocker application completely?
Remember that having multiple active blockers can create conflicts. If you have MIUI Antispam and, for example, Truecaller working at the same time, unlocking one of them may not work if the second one continues to block the call.
Blocking at the operator level and SIM-map
Sometimes the problem is not with the phone, but with the mobile operator. Cellular companies (MTS, Beeline, MegaFon, Tele2, etc.) offer paid or free Blacklist services. This lock happens at the network level, so the Redmi 7A settings are powerless here. Even if you reset the phone to factory settings, the lock will remain.
To check active services, use the USSD-commands of the operator. For example, for many operators in Russia there are commands of the type *110*44# or similar, which display the blacklist management menu.
List management is also often available through the operator's mobile app or personal account on the site, where you will see a full list of blocked numbers and be able to delete unnecessary ones.The operator's service takes precedence over any phone settings, so this is the first checkpoint if other methods have not worked.
Also worth mentioning is the Flight Mode feature, or the temporary absence of the network, if the number is locked in Do Not Disturb mode with the Repeat Call setting, then a second call in 3 minutes can pass. This is not a full unlock, but a temporary emergency solution.
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If the number does not pass after resetting the phone settings and checking all applications - the problem is guaranteed on the operator's side or in the settings of the phone itself. SIM-map.