CMIIT ID code is a number generated by the Ministry of Industry and Information Technology when an enterprise submits an application to the Ministry of Industry and Information Technology (20 15 can be understood as the time node for submitting an application); The information in the CMIITID code cannot represent the specific production date of the mobile phone.
CMIIT ID is the model approval code of radio transmitting equipment.
Radio transmitting equipment refers to all kinds of equipment that emits radio waves, but does not include industrial, scientific research, medical equipment, electrified transportation systems, high-voltage power lines and other electrical devices that can radiate electromagnetic waves.