Changing the IMEI on a Fibocom L850-GL is a technical process often used to restore a lost IMEI after firmware updates or to allow the modem to work with specific carrier plans. Prerequisites & Safety
The L850-GL is an M.2 3042 form factor LTE category 6 module (up to 300 Mbps down, 50 Mbps up). It supports global bands and carriers. Unlike a smartphone, it lacks a physical SIM slot on the module itself—instead, it connects to a laptop’s internal SIM reader or an eSIM chip. fibocom l850gl change imei work
Retail Units: For the vast majority of users, there is no known public method to successfully change or restore a lost IMEI once it has been wiped by a bad firmware flash. Method for SecureLevel 0 Modules Changing the IMEI on a Fibocom L850-GL is
Save/Reboot: Some users report needing to follow up with a reset command or a full power cycle of the device to apply the change. AT+CFUN=15 (to reboot the modem) Troubleshooting Tips It supports global bands and carriers
Before proceeding: Back up your original IMEI. Changing it without authorization is illegal in many countries. Use only on hardware you own for lawful purposes, such as repairing a faulty IMEI with manufacturer consent.
This is often done through a terminal or a router's management GUI. The most cited command is:AT+EGMR=1,7,"YOUR_NEW_IMEI"
Which of those alternatives would you like?