Only WeChat and telephone can sue each other.

In the case of only the mobile phone number and WeChat, you can entrust a lawyer to prepare the prosecution materials.

At present, both WeChat and telephone are real-name authentication. First, prepare relevant evidence materials. If the arrears are not paid back, the evidence generally includes IOUs, transfer vouchers, chat records, recording and other vouchers, and is ready to apply for investigation and evidence collection. You can collect evidence through these means and bring a lawsuit to the court. Go to the court to apply for a lawyer's investigation order first. After getting the lawyer's investigation order, the lawyer needs to take it to Tencent to apply for investigation and evidence collection to find out the identity of the other party.

After the investigation results come out, the lawyer will go to the court that issued the investigation order to collect the results. After getting the result, submit a complaint to the court and register the detailed identity information of the defendant. The legal basis is Article 119 of the Criminal Procedure Law of People's Republic of China (PRC): A criminal suspect who does not need to be arrested or detained may be summoned to the designated place of the city or county where the criminal suspect is located or to his residence for interrogation, but the certificate of the people's procuratorate or the public security organ shall be produced.

legal provision

A criminal suspect found at the scene may be summoned orally, but it shall be indicated in the interrogation record. Summons and summonses shall not last more than twelve hours. If the case is particularly serious and complicated and detention or arrest measures are needed, the time limit for summoning or compulsory summoning shall not exceed 24 hours.

The criminal suspect shall not be detained in disguised form by means of continuous summons or compulsory summons. When summoning or detaining a criminal suspect, the suspect shall be guaranteed food and drink and necessary rest time. Matters to be recorded in the complaint: the plaintiff's name, gender, age, nationality, occupation, work unit, domicile and contact information, the name and domicile of a legal person or other organization, and the name, position and contact information of its legal representative or principal responsible person.