Fibocom L850gl Change Imei Work Portable Jun 2026

While many modems accept AT+EGMR=1,7,"new_imei" to change the IMEI, the L850-GL often rejects this command or resets to the original IMEI after a reboot.

The Fibocom L850-GL is a multi-mode LTE module based on the Intel XMM7360 chipset. It provides high-speed data transfer (up to 450 Mbps download) and operates on global LTE bands. Due to its architecture, it is frequently used in custom router builds using OpenWrt or similar systems. Can You Change the IMEI on a Fibocom L850-GL? fibocom l850gl change imei work

The vast majority of consumer and enterprise L850-GL modules shipping inside laptops or bought via major retailers are hard-locked from the factory. The bootloader and firmware utilize cryptographic signature verification that blocks any unofficial writes to identity blocks. Due to its architecture, it is frequently used

While writing a new IMEI is almost never legitimate for an end‑user, the IMEI is perfectly fine and often necessary: Due to its architecture