How cell phones are tapped. How to find out if your phone is tapped

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Recently, the question of how to check a phone for wiretapping has become increasingly relevant. Indeed, in the world of progressive technologies, along with the active use of computer equipment, telephones, radio and the Internet, various spy applications and programs are created that can damage office equipment and communication devices. Today it is not difficult to independently check whether the phone is wiretapped. How to do this is described in the article. This does not require any special skills or assistance from specialists.

Distinctive features of wiretapping

Cell phone wiretapping itself has its own characteristics, by which it can be easily distinguished. It's quite easy to access another person's phone. And if you suspect that your own device is being tapped, then it is better not to hesitate and send it for diagnostics.

Detectives and other specialists know exactly how to check a phone for wiretapping, but since you can do it yourself, it makes no sense to spend money on the services of other people. Of course, such diagnostics cannot guarantee a 100% result, but the presence of an extraneous network will certainly be detected.

Signs of attachment to a listening device

Not every person knows how to check a phone for wiretapping, but you definitely need to remember the main signs of attachment to a listening device. These include the following factors:

The battery drains quickly. This symptom cannot always be called an accurate indicator, since in most cases it is present in devices on which many applications and games are installed. It’s a completely different matter when the phone is not in the hands of its owner all the time and there are no programs running on it. If, in a calm state, a mobile device is discharged in just an hour or two, then this is the first signal that there is wiretapping on it.
The device automatically turns off, reboots or turns on the backlight. If all of the problems listed are not related to disruptions in the operation of the system, then there is a high probability that interference is being created on the side. When the phone is still tapped, nothing new or unnecessary is displayed on the screen, but periodic glitches may occur during operation.
During a conversation, extraneous sounds are constantly heard. The presence of other connected networks prevents the subscriber from calling another number, since this takes many times longer than without wiretapping. In addition, as soon as a special listening program is connected to a telephone conversation, minor interference and a very noticeable echo of both voices are observed. Sometimes there are situations when one subscriber hears only himself, but not his interlocutor.
Cell phones interfere with radio, TV, and stereo systems. Even when turned off, the phone may make noise when approaching any other devices.
Literally half an hour after replenishing the account, an impressive amount of funds was written off for no reason. If such a problem is detected, you should immediately call the operator to clarify the circumstances. If his mistake is not here, then we can assume that along with the funds, all the information it needed about calls and messages was sent to the listening program.

If you suspect the operation of eavesdropping systems, it is recommended to contact law enforcement agencies. Based on the fact that modern devices operate according to innovative principles, only special equipment can better understand them.

It is necessary to remember that you can install wiretapping on every phone, regardless of its cost or year of manufacture. Of course, the very first models lend themselves to this only after installing bugs, and not using a network or the Internet, since they do not have operating systems, but even these cases are a cause for concern and contact the authorities.

More details on how to check a phone for wiretapping in Russia will be discussed below. This information will make many people think about the state of their device. Every person needs to check their phone, since it certainly won’t make things worse, but it wouldn’t hurt to make sure there’s wiretapping.

Number combinations

Wiretapping of a mobile phone, or rather its presence, can be freely checked by dialing a certain combination of numbers. They are few known, but each is valid. The best combinations of numbers are:

*#43#. This number allows you to see call waiting information.
*777# (for Ukrainian subscribers). The combination shows the current balance and operator menu.
*#06#. The code automatically displays a window where the IMEI data is displayed.
*#21#. This code helps you check your phone wiretapping in just 5 seconds. This number allows the user to find out who, besides himself, receives notifications about calls and SMS to this number.
*#33#. In this case, data is displayed about the services that support the mobile device and the devices from which they originate.
*#62#. The combination shows the number to which calls and data are forwarded, if available.
##002#. This code is used to disable call forwarding and configure calls to be accepted only by the owner of the phone.
*#thirty#. A set of numbers provides information to clearly identify the numbers from which incoming calls are made.

All these combinations make it possible to provide your phone with reliable protection from connecting to unknown networks that cause harm. In fact, there is nothing difficult about checking your phone for wiretapping. The combination of numbers is available to all subscribers. But it should be borne in mind that not even all operators know about it, so you shouldn’t check your device too many times.

Hidden codes for iPhone

Owners of devices from Steve Jobs probably guessed that they had hidden functions, or rather codes. Thanks to them, you can view a lot of information: from signal strength to the forwarding status itself.

The phone allows you to:

hide your own phone number (#31#);
find out the signal strength (*3001#12345#*);
familiarize yourself with the unique code (*#06#);
determine the point where messages arrive (*#5005*7672#);
bar calls and call standby mode.

Hide number

At the same time, how to check your phone for wiretapping, you should also know how you can hide your number. To do this, you just need to dial the combination given above and call other people's numbers as an unknown subscriber.

Find out the signal strength and unique code

Sticks and dashes are now the embodiment of signal strength, which lacks precision. After turning on the field mode, you need to dial the number indicated above, and then hold down the power button. When the screen goes dark, you need to press the center button and wait until the home page appears. The number in the upper left corner will indicate the signal strength.

To determine the phone code, just dial *#06#. The settings will immediately appear there, where the required item will be present.

Where do messages come?

Each SMS message, before reaching the subscriber, passes through a special center using an identification number. You can recognize it using the combination *#5005*7672# and the call button.

Call barring and call waiting

This mode makes it possible to block calls both incoming and outgoing. "Waiting" allows you to hold an ongoing or incoming call. You can carry out interesting manipulations with the following combinations:

*33*PIN# - enable call barring;
#33*PIN# - disable the previous ban;
*#43# - call in standby mode;
*43# - turn on standby mode;
#43# - disable waiting;
*#21# - forwarding.

A few tips from experts who have encountered similar problems more than once will help eliminate the possibility of your mobile device being tapped:

Do not transmit confidential information over the phone;
For business negotiations, a cell phone is not the best way;
a conversation carried out in a car on the move is much more difficult to listen to due to noise and frequency changes;
There is no need to take risks and trust your phone repair to an unfamiliar company with questionable customer reviews.

Knowing how to check your phone for wiretapping, you don’t have to fear for the integrity and safety of the device, as well as for yourself. Now it’s clear that doing this is not so difficult, so you shouldn’t immediately turn to specialists who will carry out diagnostics for a long time. The help of specialists will be required only if the wiretapping is serious and cannot be removed using simple combinations.

Confidentiality of telephone conversations is a constitutional right of every person, the violation of which is subject to criminal liability. How to find out if your mobile phone is being tapped and if someone is invading your personal space, thereby violating existing legislation? There are a number of signs indicating the presence of wiretapping. Let's look at the main ones.

Is wiretapping on your mobile worth it?

Those who have grounds for such concerns should be interested in the question of how to find out whether a mobile phone is being tapped. These are people whose professional activities involve the transfer of confidential data (employees of special services or other bodies), husbands or wives of overly jealous partners, etc. A fact can indicate that the phone is “leaking” information to third parties when secrets are unexpectedly and unreasonably those people whom you did not initiate into your secrets will find out.

There is a simple way to determine whether a mobile phone is being wiretapped. Report false provocative information via cell phone to someone you completely trust, and if you begin to find it discussed in various sources, then the fears are most likely justified. In this case, you should become more careful and analyze whether there are other signs of phone wiretapping.

Background sounds or echoes when talking

The reason to ask how to find out if your mobile phone is tapped is regular extraneous sounds during a conversation. Static monotonous noise, gurgling, clicking, extraneous hum, grinding, popping - all these are signs that a cell phone can be eavesdropped. You can determine whether extraneous sounds are the result of wiretapping by using a sound sensor set to a low frequency. If the needle goes off scale several times a minute, this is an alarming signal.

Cell phone problems

Another way that helps determine how to find out whether a mobile phone is being tapped is to pay attention to the stability of its operation. If your cell phone reboots spontaneously, the battery quickly drains for no apparent reason - perhaps these phenomena occur as a result of someone trying to eavesdrop on you. Another alarming sign is that your mobile phone battery gets very hot. This occurs as a result of the listening device continuing to use the battery in the background.

Other signs of wiretapping

There are a number of signs that may indicate that third parties are interested in the content of your telephone conversations. It doesn’t matter what brand of mobile phone - iPhone, Blackberry or Nokia, Android OS or Windows - there will always be loopholes to listen to someone else’s mobile phone. Other signs of phone tapping:

Long connection between subscribers.

It takes a long time to turn off the device.

Self-activity. If a mobile phone turns on or off without a command or starts installing software.

How to check your phone for wiretapping

How to detect the fact of wiretapping and protect your mobile phone? Home appliances can help with this task. If you approach the TV or radio during a call and hear interference from another electronic device, this is a sign of wiretapping. Some listening devices are close to the FM band and produce a high-pitched sound when the radio is set to mono. The same thing can happen when you turn on the TV in UHF frequency mode.

Pay attention to strange SMS messages that may arrive on your mobile phone. They contain incomprehensible sets of letters, numbers and symbols and come from unknown numbers. This is how listening programs send commands. If attackers use mobile Internet to infiltrate a phone, then the bills for its use can increase sharply. If you have not activated the “Conference Call” service from the operator, but it constantly becomes active again, this is also a symptom of wiretapping.

How to determine using special equipment

There are special devices that can detect the fact of an attempt to listen to a mobile phone. Such devices connect to a cell phone and measure resistance and capacitance levels, as well as signal changes at high frequencies. To check, you need to connect such a device to your mobile phone and pay attention to the difference in indicators.

Code 33 for checking on the screen

There is a simple and accessible way to check for wiretapping, which every owner of a cell phone can use - combination 33. You need to type *33* on the keyboard and then enter any combination of characters. If you cannot enter a single character after the second asterisk, the mobile phone is under wiretapping. There are conflicting opinions among professionals about the effectiveness of this method, so it is recommended to use additional testing methods.

Applications for identifying wiretapped numbers

Using special free software, it is determined whether a mobile phone is being tapped. One program that can do this is SpyWarn. To download, go to spywarn.com. Another similar application is called Darshak. It is available at aruk.org/app-darshak-apk/. The EAGLE Security program has good reviews. The main feature of this utility is that it distinguishes real stations from false ones. Install via Google Play or at androidprogi.com/programma-eagle-security-free-apk.

Contacting your telecom operator

If you suspect that your mobile phone has been tapped, you should contact your cellular company for help. Its specialists have the appropriate technical means that make it possible to analyze the condition of the line. As a result of this procedure, identifying the fact of wiretapping is not a problem. If the result is positive, you need to install anti-wiretapping software on your cell phone.

What are the ways to listen to a mobile phone?

There are several methods to listen to a cell phone:

Listening devices

Wiretapping a cell phone using signal interception equipment is an unlikely occurrence, since complex, expensive systems are used for this. More often, penetration into personal life occurs using GSM bugs with a built-in microphone that transmits sound to the attacker’s phone. We have already written above about what signs can confirm their presence.

How can they eavesdrop on a conversation using a program?

The first most popular means of wiretapping is malicious software. They are actively advertised on the Internet and, according to their developers, provide full remote access from a computer or tablet to a phone. After installation, the attacker gains access not only to calls and SMS, but also to social networks, conversations and correspondence via Skype, Whatsapp and other instant messengers. Protection against such applications is simple - install official protective software.

How to find out who is tapping my phone

How to discover who cares about you so much that he decided to invade your personal space? Ask yourself one question: among your friends, acquaintances and relatives there is someone who is interested in this. Perhaps this is a colleague sitting in the next office, aiming to take your place, or a secret admirer/admirer. If there is no obvious answer, it makes sense to contact law enforcement.

We present to your attention a thematic video. It examines in an accessible, visual form the 5 most common and characteristic signs of cell phone wiretapping with detailed characteristics of each of them. After analyzing this information, you can come to an objective conclusion - the mobile phone is being tapped or the suspicions are unfounded.

Increasingly, in the history of search queries, the question comes up: how to check an Android for wiretapping and is it possible to notice from indirect signs that third parties are participating in a conversation without an invitation? We answer: you can, and that’s what today’s material is about.

The general group of listening devices is conventionally divided into two large subgroups.

Conversations are recorded by a special program installed on the phone. The recording is quickly compressed, stored in memory, and, as soon as the moment appears, sent via the Internet to the “customer”.
The uninvited guest joins the conversation right in the middle and becomes an invisible listener. Such wiretapping is less popular today and is more expensive.

Important point: Violating the boundaries of someone else’s personal life (even with good intentions) is illegal. The offender is subject to criminal liability under Articles 137-138 of the Criminal Code of the Russian Federation. If a specialist identifies listening software or bugs, the injured party has the right to file an application and claim in court.

What may alert you in the first case, when the conversation is written by a program installed on the phone:

the battery gets too hot during calls, and the charge is not enough for the usual time, although the gadget is used in the same mode;
the phone screen lights up spontaneously when the gadget is in standby mode and no programs are running on it;
The phone takes longer to turn on and off than usual: this is due to downloads of information from background third-party programs;
During a conversation, the backlight comes on, something is downloaded, the Internet turns on, messages arrive and immediately disappear.

The conclusion suggests itself: there is a wiretap on Android or a virus (it also happens that it is both at the same time). Any of the above or several factors at the same time should alert the owner.

How can the eavesdropper give himself away in the second case? The gadget will tell you. Someone else joins your conversation if:

suddenly there is background noise, even a subtle hiss that appears unexpectedly;
the smartphone begins to “phon” if you pass by speakers or equipment during a conversation, although such an effect has not been observed before;
During a conversation, the screen suddenly lights up;
during a call the battery is hotter than usual;
connection and disconnection during a conversation is longer.

Every alarming moment is a reason to contact a specialist. He will record the fact of wiretapping and tell you what to do next to fix the problem. But what to do if there is no specialist nearby?

Android phone wiretapping: how to find it

First, you need to find the ill-fated icon among hundreds of others. If an application for wiretapping or recording conversations is installed on your phone, it is quite difficult to detect it. Programs are hidden deep in system files, and most likely renamed. You need to know the system files well in order to identify a spy “by eye.”

Antivirus does not often help in this case (although we recommend scanning the phone), because this type of application is not considered malicious. For example, the full Kaspersky package can help, but the light versions are powerless.

Go to the “Settings” menu item. Find the “Applications” sub-item there and the “currently active” or “Running” tab. This tab lists all currently active programs (also look at the “System Applications” item).

How to check for wiretapping?

When talking, use headphones to pick up outside sounds and keep an eye on the screen at the same time.
As soon as something seems suspicious to you, check your active applications.
If an attacker uses a program to copy or eavesdrop on calls, it will appear in the device's task manager.

If the call is listened to without programs, an extract from the mobile operator can help. Compare with the actual cost of calls, traffic consumption, number of group calls.

How to protect Android from wiretapping

Only a service center specialist can fully protect your gadget from all viruses, wiretaps and bugs. Another option is to reset all settings to factory defaults. Downloaded files, media, contacts and other information will be deleted (make a backup copy).

You can manually track energy and memory consumption, remove strange programs and thoroughly clean your phone of dubious files, then run the entire phone through a good antivirus. Google and Yandex search will help distinguish “good” applications from “bad” ones.

Google Play offers you to download and use special applications for your device that detect and block attempts to listen to and monitor your gadget.

Which anti-wiretapping device is safe and effective:

OpenGsm Pro-X is a program that monitors all manipulations with the phone;
GSM Spy Finder is an application created specifically to control third-party intrusions into the phone system;
EAGLE Security – multi-level protection of conversations;
Kaspersky for mobile – comprehensive and multi-level protection.

Combinations of numbers for checking wiretapping

Useful commands for checking your phone that will help you detect excessive third-party activity (by simply typing on the main screen):

*#21#call – list of call forwarding, messages, etc.;
##002#call – deletes all numbers for call forwarding;
*#33#call – services for your mobile;
*#06#call – unique IMEI number of the phone.

These commands are safe for your phone. They allow you to check from time to time whether there are changes that were missed by anti-wiretapping for Android, antivirus and other programs.

Modern phones are characterized by such wide functionality that some of them surpass computers in capabilities. When talking, a person usually does not think that the dialogue is accessible and audible to others. However, when transmitting confidential information, the question becomes whether it is safe to have a conversation on the phone and how to check for wiretapping.

How to listen to someone else's mobile phone: ways

There are many known methods of how to wiretap someone else's phone.

Official

The sphere of state intelligence services (FSB, police) receives access to other people's conversations by court decision. In our country, this method of wiretapping is carried out through the technical system of operational-search activities SORM. In Russia, mobile operators must install modules of this system on their PBX to obtain a license.

Network signal interception

This is done through the installation of special devices that capture the necessary communication line and transmit the signal to attackers. Having the required number, you can connect to a cellular network using vulnerabilities in the SS7 signaling protocol (Signaling System No. 7).

It is possible to penetrate SS7 by sending a special message Send Routing Info For SM (SRI4SM), including the desired phone number. In response, the mobile network will send IMSI - the international identifier of the desired subscriber, as well as the address of the MSC switch that serves the person.

Next, the VLR is infiltrated into the database; the attacker updates the profile in the billing system, replacing the original address with a fake one. From this moment on, calls made by the subscriber are redirected to a pseudo-billing system and become available to persons wishing to track the conversation.

Another alarming fact is that connecting to SS7 provides access to subscribers on different networks anywhere in the world. It is also possible to intercept incoming messages and transfer balance by making a USSD request.

Using special applications

The malicious program must be installed on a smartphone; it can be used to wiretap, record conversations, transfer or store calls. Thanks to the installation of a spy Trojan, you can listen not only to phone conversations, but also to monitor the user’s communications in Skype, WhatsApp and other instant messengers.

This method is available to everyone; it does not require the powers of government intelligence services or a court decision. Trojans are a favorite surveillance tool. By installing these spy programs, husbands listen to their wives' conversations, entrepreneurs learn the secrets of competing companies, parents monitor their children, and so on.

Spyware Trojans are introduced into the desired smartphone under the guise of an update for a program, by installation through hacking the Android or iTunes system, or by sending an email with a link to a fake application.

In addition to special Trojans, there are seemingly harmless applications that have functions to wiretap a mobile device.

The danger of such programs is that the victim installs them on her phone herself. This could be a game that is distributed through third-party application directories. Such programs contain the functions of wiretapping and recording conversations, including the Internet, the user gives the program access to transmit the received data. Therefore, when receiving unknown links, it is important to consider whether it is worth clicking on them.

"Bug" for remote listening

Special equipment for listening to a communication device, with the help of which data is transmitted to the receiver of interested parties.

Microphones are used as means of wiretapping. They come in different types: stationary, connected and contact. They are installed in the room (office, study) in which the victim is located.

A stationary microphone can be a table top in a room where the desired person is constantly located, a wall, a window sill, or any flat surface. Piezocrystals are glued to it and thin wires are passed to the listening point. The microphone is mounted in an unexpected place (socket, baseboard, etc.). A contact microphone works by picking up an acoustic signal from an object that reflects sound (battery, wall, pipe). The range of such listening devices is limited by the length of the wires, but the quality of audibility is much better.

In such a situation, it is difficult to understand where such a bug is installed, since the average person does not know what it looks like. The size of such devices is often no larger than a ruble coin; they can be hidden even in the most unexpected places. If the device is skillfully disguised, the victim will not suspect that he is being monitored.

Some radio antennas for signal reception are installed at a distance of up to 500 meters from the desired subscriber. By pointing such a device towards the location of a person speaking on the phone, for example, from a car, the signal is intercepted. Connecting the antenna to a computer allows you to detect, listen to, and record the desired phone call.

The convenience of the radio antenna is that it does not need to be connected to the desired device; at the end of the operation, the antenna is picked up and taken to the desired location.

The most popular methods of wiretapping a subscriber number in Russia are special programs and “bugs” that are accessible and easy to use. They can be easily purchased and linked to the desired number.

How to find out if your phone is tapped: signs

Temperature and battery level

If a mobile phone gets warm even when not in use, this often indicates a virus has interfered with the system. The phenomenon may indicate wiretapping of a communication device. In this case, you need to check your installed programs, especially the latest updates.

Battery discharge in 1-2 hours also indicates that the mobile device is being tapped. If the battery is in good condition, but the device is quickly discharged, it is worth considering whether they can spy on and check the phone.

Call delay and connection disconnection

If the connection time increases sharply while waiting for a number to be dialed, this indicates that a listening device is probably connected to the number. The fact is that connecting third-party networks interferes with a quick connection with the subscriber. A similar sign is an increased time of separation from the interlocutor or a sudden disconnection of the connection.

Spontaneous activity

The phone “lives its own life”, dials numbers on its own, turns off, and turns on the screen backlight. If the system status is checked and there are no problems, this indicates a high probability of connectivity to the communications device. When wiretapping occurs, nothing new is displayed on the screen, but the rest of the time the phone experiences interference and glitches.

Reboots

Frequent random system reboots indicate a connection to a communication device. If the smartphone does this on its own, it could be due to listening software that is causing the program to malfunction.

SMS

Strange messages from unknown numbers are received by those whose mobile phones are wiretapped. Such SMS contain nothing but incomprehensible symbols.

Reduced Internet speed and loss of traffic

In a situation where the downloading of materials from the Internet slows down sharply, and there are no serious reasons for this (for example, traffic distribution, simultaneous downloading), this may indicate the presence of wiretapping on the phone. A similar sign is the rapid consumption of Internet traffic during normal use of a mobile device.

Acoustic noise

Unusual acoustic noises and interference indicate the presence of listening software on a smartphone:

noise when talking on the phone near speakers, radio and other audio equipment, at rest;
extraneous sounds and interference when communicating with your interlocutor;
echo from the words of both subscribers during a conversation;
“silence” of the interlocutor during a conversation.

New operator

When connecting a wiretapping program, your mobile operator may suddenly change. There may be an unexpected debit of a large amount of funds from your mobile account. The native mobile operator will not be aware of the operation. Along with the debited finances, information about calls and SMS messages is sent to the connected program.

The listed signs do not guarantee that a listening program is installed on the phone. If such problems occur, it is worth diagnosing the device to identify possible problems. If several signs immediately attract attention by their appearance, it is worth thinking about whether the information transmitted over the phone is confidential.

How to identify and remove wiretapping

Every phone is open to eavesdropping, even if it is in rest mode, not ringing, since ill-wishers forcefully turn on the microphone. Such intervention allows you to know all conversations taking place near the device without exception. Using this method, you can also listen to home wireless telephones of the DECT standard.

Codes and combinations

You can check whether a mobile device is wiretapped using special combinations of numbers. To activate the codes below, dial the number itself and press “Call”.

For smartphone (Android)

*#43#B- the command allows you to display information about call waiting.
*777#B(code for Ukraine) - displays the menu of the cellular operator, regardless of which one the subscriber uses, and information about the current balance also appears.
*#06#B- helps to obtain a unique IMEI code. The command works on all smartphones, regardless of model, functionality and other parameters. The ID number protects your device if it is stolen or lost. With its help, you can remotely lock your phone to prevent attackers from using it even when changing the SIM card.
*#21#B- the team helps to find out whether information about received and sent SMS and calls made is forwarded to third parties. The code determines whether call forwarding is enabled on the smartphone.
*#33#B- in case of blocking important services on a smartphone (SMS, calls, etc.), information about this innovation is presented. Considering that blocking can occur without the knowledge of the phone owner, the combination is used if outside interference is suspected. Shows information about the services that are supported by the mobile device and which of them are currently emanating from the device.
*#62#B- identifies the number to which the forwarding is attached. The code determines the point where the mobile device is wiretapped and to which number incoming calls are forwarded. The combination works if the device is out of range or disabled.
##002#B- disables call forwarding if it is running on a mobile device, so that only the owner of the device can receive calls.
*#30#B- gives a chance to identify the number when calling from “unknown” subscribers.

For iPhone (iPhone)

Apple manufacturers have secret codes that make it possible to check whether there are signs of eavesdropping on the iPhone. The combinations are suitable for iPhone 6s, 7 Plus, 5s and others. If you use them to check your mobile device in time, you can tell whether your phone is wiretapped or not and avoid trouble.

#31#B- hide your own iPhone number. After performing the manipulation, the subscriber can easily make the mobile number undetectable. When calling other numbers, it will be designated as “unknown”.
*3001#12345#*В- finds out information about the SIM card, the signal strength of the cellular network, and also gives indicators of signal reception. Data is updated promptly. To visually check the signal level, turn on “Field Test Mode” or “Field Test Mode” and dial the specified number. Next they call and press the power button. After turning off the screen, press the button in the middle and wait to return to the home screen. The signal strength will be indicated by the number that replaces the battery charge sticks. If the signal strength is above -40 - the signal is excellent, from -80 to -40 - good, between -80 and -140 - bad, even lower - no signal.
*#5005*7672#B- determine the place where messages are received. Each new message initially reaches the SMS center, for which a special identification number is used.
#43#B- block calls in idle mode.
*#06#B- find out the unique IMEI code of any smartphone, including iPhone. Using this number, you can determine whether the device is tied to any operator, as well as obtain information about the firmware.
*#67#B- identify the number to which calls are forwarded.
*#21#B- shows the availability of call forwarding, SMS messages and other information from a cell phone.
##002# - disable call forwarding.

These combinations will help protect the subscriber from the popular way to listen to a mobile phone from the outside - software interference in the phone system. They will not be able to protect against complex methods (wiretapping by intelligence agencies, using bugs, etc.).

Programs

The best programs for checking the fact of wiretapping are SpyWarn, Darshak and EAGLE Security. The first two programs can be downloaded for free via the Internet on the official website; EAGLE Security is available on the Play Market. With the help of these applications, real stations are sorted from fake ones, which helps to identify surveillance.

It is possible to delete the application, with the help of which calls and SMS became available to third parties, independently. To do this, install a reliable antivirus on your phone. High-quality programs protect the device from malware, instill confidence that Trojans will be identified and their installation will be prevented.

It will be useful to remove suspicious applications. In the battery consumption statistics, you can find programs that are constantly running and consume battery faster than others. Next, check reviews for them on the Internet; if there are enough complaints about the programs, get rid of the applications.

You can also remove wiretapping on Android, for which the Trojan is responsible, by returning to factory settings. Before doing this, it is important to save the necessary files.

To ensure that the number continues to be protected from outside interference, the AppNotifier application is installed for Samsung, Xiaomi, Nokia and other smartphones. The utility sends notifications to the subscriber's email, notifying about programs that are downloaded to the smartphone. When a potentially dangerous operation is performed, the application alerts and displays the malicious program.

Telecom operators

To get rid of mobile phone wiretapping, you should call your mobile operator (MTS, Megafon, etc.). Specialized equipment in cellular companies makes it possible to analyze the state of communication lines and reliably determine whether the device is being tapped or not. When detected, the operator takes the direction of the connected intruder.

Operator testing is more reliable than diagnostics using combinations, which sometimes produce erroneous data.

Service center

A reliable method of detecting wiretapping is to contact a service center. There they will analyze programs on the mobile and identify exploits that transmit data to third-party devices. Having confirmed that the wiretapping is in place, employees determine how it functions and then remove or block the source.

For people who care about the confidentiality of conversations, a natural question arises: which phones are not tapped and whether it is possible to find a model that protects conversations from prying ears. Special devices have been developed that provide a high level of safety. They are intended exclusively for calls. It is important to consider that such devices are phones and it is impossible to access the Internet from them.

In Russia, the Atlas Scientific and Technical Center has developed special telephone models that can protect the confidentiality of conversations. Such mobile devices cannot be purchased in a traditional communication store. They are made to order within 4 months and only upon order from corporations.

Members of the Presidential Administration, State Duma and other government services have already purchased similar devices. The cost of one such phone is 90,000 rubles. Along with the purchase of the device, you also pay for a special service to protect confidential communications, with which you can be sure that conversations from the phone are not listened to and SMS are not read.