The method is as follows:

1, installed eavesdropping device, etc. If the mobile phone is equipped with a micro eavesdropping device, it is generally not easy to be found. Therefore, it is recommended to go to a regular professional store to disassemble the machine for testing. In addition, it is best not to lend your mobile phone to strangers.

2, monitored by virus software: mobile phone virus is a program, if you use a mobile phone to access the Internet, it is easy to be poisoned. The poisoned mobile phone is very "crazy", which will cause the illusion that the mobile phone is turned off, making the mobile phone black screen and the keyboard invalid. Poisoned mobile phones can also be turned on automatically, exposing all the information of the environment where the mobile phone is located. If this happens, it may be detected, and you can use anti-virus software to kill the virus.

3. Being monitored by software such as eavesdropping software: I feel that I can't hear the other party clearly on the phone or there is noise on the phone. This suggestion can be to reinstall the mobile phone system.

2. What should I do if my mobile phone is monitored?

First, how to prevent mobile phones from being monitored

Installing a bug or implanting Trojan virus requires certain conditions to operate. First of all, don't lend your mobile phone to others at will. When you are in the business premises for maintenance or charging, someone must be on site. If friends and relatives suddenly give you a mobile phone, you should also be alert. In short, the mobile phone never leaves, so even if someone wants to install a bug, there is no chance.

When using your mobile phone, don't click on the red envelope sent to you by strangers, because the virus can be automatically installed through the WeChat red envelope, and it can't be implanted as long as you don't click. When using the shared charger, it is absolutely not allowed to access USB for debugging, otherwise it will be very dangerous. Don't click on the link sent by strangers at will.

Second, how to determine whether it has been monitored?

If your mobile phone is slow to respond, the phone bill suddenly increases, there are more people you don't know in the address book, and there is noise in the phone, then you are probably being monitored. If you want to confirm, you can click Settings-Power Consumption and Performance-Power Saving Optimization-Query Power Consumption Ranking. High power consumption, unknown icons are probably monitoring software, generally named in English. The operation steps of each mobile phone are different. Just turn on the power consumption ranking. In addition, you can also check whether there are more icons in the phone that you don't know.

Third, how to remove the monitoring after being monitored

You can change the password of WeChat first. If it is an Apple phone, it needs to be changed together with the password of the ID. After the phone is backed up, you can refresh or restore the factory settings. If the above methods can't be solved, you can find a professional staff to clean it. At present, recovery master, data recovery wizard, mobile phone recovery master and other software have privacy protection services.

3. What should I do if my mobile phone is monitored?

As long as the phone has been restored to the factory settings, you can delete the eavesdropping software. If it is an important person, use static braking, and use equipment to check whether the mobile phone is driving illegally and whether someone has tampered with it.

Mobile phone security has become the focus of all mobile phone users, especially the monitoring of calls. A malicious mobile phone program, a chip embedded in the mobile phone, and a GSM signal interception technology with special equipment will expose our privacy. Below I will teach you a simple and effective way to prevent your mobile phone from being monitored.

1. Search and download "Tencent Mobile Manager PC Edition" on the Internet. Run the installer directly after the download is completed.

2. Connect the mobile phone to the computer through the USB cable, and turn on the "USB debugging" switch of the mobile phone. Then run "Tencent Mobile Manager PC Edition". At this time, the program will automatically search and install the driver that matches the current mobile phone.

3. Then search and download "Tencent Mobile Manager Android Edition" on the Internet. After the download is completed, use Tencent Mobile Manager to install the APK program into the mobile phone memory.

4. Run the "Mobile Manager" program in the mobile phone, click the "drop-down" button in the upper right corner of the main interface, and select the "System Settings" option from the open drop-down list.

5. In the system setting window that opens, open the "Security Service" item. At this point, the anti-monitoring function of the mobile phone was successfully turned on.

6. When making a phone call in the future, the anti-monitoring function of the mobile phone will be automatically turned on to protect personal privacy and safety.

4. What should I do if my mobile phone is monitored?

You need hard evidence to call the police. How do you know that your mobile phone is being monitored? Is there a drip during the call or does anyone know exactly what you are saying and let you know?

First of all, the object of monitoring is not your mobile phone, but your mobile phone number. It is not advisable to change your mobile phone. You can change your mobile phone number. Then tell your friends your mobile phone numbers one by one, and when you find that you may be monitored again in the future, you can target who is listening. Then take corresponding measures to adjust. There are indeed some monitoring devices on the internet now. Listeners should listen to some numbers after buying equipment. Out of curiosity, they want to listen to other people's numbers at the same time, so this person is probably a friend of yours.

As for calling the police, it depends on whether it has caused you direct loss of interest.

After knowing the suspicious person, it is best to ask the mobile company to investigate whether you really have a suspicious terminal connection during the call. It's up to you whether to call the police or what to do after you decide.