Important legal note: Changing a device’s IMEI is illegal in many jurisdictions and can be used to conceal stolen devices or evade law enforcement. This article provides technical background and warnings for educational, research, or lawful repair contexts only. Do not alter IMEI on devices unless you are authorized and it is legal where you are.
Always record your original IMEI before attempting any changes. Manjaro Linux Forum Methods for IMEI Modification 1. Standard AT Command (If Port is Accessible) fibocom l850-gl change imei
Incorrectly applying commands or firmware can permanently disable ("brick") the modem. Overview: Fibocom L850-GL IMEI — facts and risks
Unlike older 3G or basic 4G dongles (e.g., Huawei E173) that accepted simple AT commands like AT+EGMR=1,7,"newIMEI", the Fibocom L850-GL is a modern, secure module. Changing the IMEI on a cellular module may
Or use Linux:
Steps (high-level):
Permanent Bricking: If a write operation is interrupted or uses incorrect offsets, the modem will become unrecognizable to the BIOS.