Modern networks use advanced heuristics. If your IMEI (e.g., a laptop) suddenly reports as a different device (e.g., a phone), the carrier may permanently ban your SIM card. Summary Table: Fibocom L850-GL Specs Specification Form Factor Chipset Intel XMM 7360 LTE Category Cat 9 (450Mbps Down / 50Mbps Up) Bands Global (B1, B2, B3, B4, B5, B7, B8, B11, etc.) Modification Difficulty Very High / Restricted
The Fibocom L850-GL supports AT commands, which allow you to configure and modify various settings, including the IMEI. To change the IMEI using AT commands:
However, the central question is not "Can it be done?" but "Should it be done?"
The Fibocom L850-GL is a popular LTE module used in various IoT applications. Changing the IMEI (International Mobile Equipment Identity) of a cellular module like the Fibocom L850-GL typically requires specific software tools and technical expertise. fibocom l850-gl change imei
If you are experiencing specific network connectivity issues with your module, let me know: What (Windows 10/11, Linux) you are using? What error message or code appears when trying to connect?
Carriers use IMEIs to ensure devices are certified for their towers.
A: No. The hardware and firmware are different. Doing so is strongly advised against as it will likely fail. Modern networks use advanced heuristics
Dedicated forum discussions reveal that finding a working method for the L850-GL has been difficult, with some users outright stating that it is not possible.
Commands used on standard routers or alternative modules will fail on this device:
Use the following command to see your current ID: AT+CGSN (or AT+GSN ) To change the IMEI using AT commands: However,
The Fibocom L850-GL is a capable and widely deployed 4G modem found in countless laptops and embedded systems. Changing its IMEI is technically possible through either AT commands or firmware reflashing with dedicated tools, as documented above.
Many OEMs (Lenovo, Dell) via firmware. Try:
The is one of the most popular 4G LTE modules embedded in modern laptops, including several models from Lenovo (ThinkPad X1 Carbon, T490, T590), Dell (Latitude, XPS), and HP (EliteBook). It provides always-connected cellular internet, freeing users from hunting for Wi-Fi hotspots.
Would you like the official contact procedure for Fibocom technical support to request an IMEI restoration tool under warranty/repair terms?
AT+GTSN=0,7