A personal message said that he wanted to check with me.

First of all, if you receive a private number claiming to be a telecom service center and ask you to provide personal information or conduct a so-called stamp investigation, please be vigilant. This may be a scam to get your personal information or money.

Here are some suggestions to help you deal with this situation:

1. Confirm the identity of the other party: You can ask the other party to provide basic information such as name, job number and company name to confirm the identity and legitimacy of the other party. If the information provided by the other party is unclear or incomplete, it is best not to continue communication.

2. Don't provide personal information: Don't provide your personal information, such as ID number, bank card number and password, to strangers. If the other party claims to need this information to complete the investigation or deal with the problem, please remain suspicious and do not provide this information.

3. Don't pay any fees: If the other party asks you to pay fines or other fees, you need to be extra vigilant. If you really have unpaid fees, it is recommended that you verify them through official channels, such as visiting the official website of the telecom company or consulting in the local telecom business hall.

4. Don't disclose sensitive information: If you have to communicate with the other party, minimize the risk of disclosing sensitive information. For example, you can use anonymous email or social media accounts to contact each other to protect your personal information.

If you feel uneasy or uncertain about how to deal with this situation, please contact your local telecommunications company or relevant institutions for advice and help. At the same time, you can also report the case to the local consumer rights organization or the police to protect your rights and safety.