The L850-GL is built on the chipset. Unlike older Qualcomm-based modules that use standard AT commands for IMEI modification, Intel-based modems are significantly more locked down. Modification usually requires interacting with the modem's firmware or using specialized engineering tools. Prerequisites
The modem will restart, and new ports should appear in the Windows Device Manager. 2. Finding the Right AT Command fibocom l850gl change imei
Changing a device's IMEI is illegal in many jurisdictions (such as the UK, India, and parts of the EU) and may violate your carrier's Terms of Service. This guide is for educational and diagnostic purposes only. Proceeding may void your warranty or permanently "brick" your hardware. Understanding the Fibocom L850-GL The L850-GL is built on the chipset
If the IMEI change doesn't "stick" after a reboot, the modem is likely pulling the original ID from a protected bootloader partition. In this case, a deep firmware flash is the only solution. Is it Worth It? Prerequisites The modem will restart, and new ports
Correct Fibocom/Intel XMM 7360 drivers installed on a Windows PC.
After sending, use AT+CGSN to check if the modem reports the new identity. 3. Using Specialized Software
Always backup your original NV RAM and IMEI before making any changes. If the process fails, you will need those backups to restore cellular functionality to your laptop.