1. No matter what the other party says, as long as it involves money involving law, transfer, family and other means, it can basically be determined that it is a fraudulent phone call.
Second, the simplest method of identification, you can search this number online, and Baidu will tell you whether it is a liar or not.
3. If the other party submits personal information and bank card number when calling or texting, it should take the initiative to ask the other party's identity, and then call to confirm the transferor.
4. Install intercepted software, such as Tencent Mobile Manager. If this call is a fraud, someone should have reported it before, and it will be displayed on your mobile phone when he calls.