1. First, the name and contact information of the China police will be consulted by telephone for further communication and cooperation.
2. Secondly, cooperate with the police to provide detailed mobile phone purchase information, transaction records and seller information, and actively cooperate with the police investigation.
3. Finally, keep the mobile phone and any relevant evidence intact, do not operate or change any content of the mobile phone, and follow the instructions of the police to assist in the investigation.