Quectel Change Imei ((link))

Quectel modules, such as the popular EC25, EG25, EC20, and BG96, generally store unique device identifiers in a specific partition of their Non-Volatile Memory (NVRAM). In many architectures, this is handled by a component known as the EFUSE or a secured NVRAM section.

: Newer firmware versions (e.g., for the RM502Q-AE ) have "optimized IMEI anti-tampering," which may block these AT commands entirely. quectel change imei

Attempting to brute-force these commands can lead to the module entering a "security lockdown" state, rendering it unusable. Quectel modules, such as the popular EC25, EG25,