Quectel Change Imei Jun 2026

On many Quectel modules (EC25, EG95, etc.), the command syntax is:

Response: +CGSN: 352123109876543

Aisha, a senior firmware engineer at a small IoT security startup, stared at the alert on her screen. One of their fleet of air quality monitors, deployed across a city’s subway system, had gone silent. Then another. Then fifty. quectel change imei