Changing the IMEI (International Mobile Equipment Identity) of a Fibocom L850-GL module involves modifying the device's firmware or using specific tools and commands that interact with the module's internal configuration. The IMEI is a unique identifier for mobile devices, and altering it can have legal implications. Ensure you have the right to modify the IMEI and comply with local laws and regulations.
The Fibocom L850-GL is a popular LTE module used in various IoT (Internet of Things) applications, including industrial routers, smart energy meters, and more. Changing the IMEI on such modules might be required for device testing, cloning, or regulatory compliance in certain regions. However, modifying the IMEI without authorization is illegal in many jurisdictions.
If you are trying to solve a connectivity problem, consider these legal, working solutions:
Understanding the motivation helps frame the technical challenge. Legitimate (rare) reasons include:
Illegitimate (common) reasons:
For the rest of this article, we will assume you fall into the "testing/repair" category.
COM5). If you see multiple, choose the Diagnostics or AT port (usually the highest-numbered one).Alternative: Use ATI command after connecting to confirm you’re talking to the right device.
The Fibocom L850-GL is one of the most ubiquitous 4G LTE Cat 9 modules found in premium business laptops over the last five years. If you own a Lenovo ThinkPad (X1 Carbon, T490, T590), a Dell XPS, a Latitude, or a HP EliteBook, chances are the "WWAN" (Wireless Wide Area Network) card inside is this exact module.
Engineered for global compatibility (the "GL" stands for "Global"), it supports LTE speeds up to 450 Mbps, multiple bands, and even GPS. It connects to your motherboard via the M.2 (NGFF) Key B interface. fibocom l850gl change imei
But for a niche group of users—network engineers, hardware enthusiasts, and unfortunately, device fraudsters—the question arises: Can you change the IMEI on a Fibocom L850-GL?
The short answer is: Technically yes, but practically no for most users, and legally never.
Let’s explore why someone would want to, how it could be done, and why you should think twice.
Before you do anything else, confirm your L850-GL’s real IMEI: Getting a new SIM: If your current SIM
On Windows:
Get-NetAdapter -Name "Cellular" | Get-NetAdapterHardwareInfo (varies by driver).On Linux:
sudo mmcli -L # List modems
sudo mmcli -m 0 --command='AT+CGSN' # Request IMEI
On macOS: Not natively supported (no drivers).