Fibocom L850-gl Change Imei -

The Fibocom L850-GL 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.

However, a niche but persistent question echoes across tech forums, Reddit, and GitHub: “How do I change the IMEI on my Fibocom L850-GL?”

This article dives deep into the technical, legal, and ethical dimensions of changing an IMEI on this specific module. We will cover why people want to do it, whether it’s technically possible, the step-by-step methods (if any), and the significant risks involved. fibocom l850-gl change imei

Open a serial terminal (115200 baud, 8N1, no flow control).
Send AT – should return OK.

Link readers to vendor support channels and advise consulting local law before making changes.

The Fibocom L850-GL module, like many cellular modules, uses AT commands for configuration. To change the IMEI, you need to send a specific set of AT commands. The Fibocom L850-GL is one of the most

The short answer: Yes, but it is extremely difficult, requires proprietary tools, and carries a high risk of bricking the module.

Unlike older 3G or basic 4G dongles (e.g., Huawei E173) that accepted simple AT commands like AT+EGMR=1,7,"newIMEI", the Fibocom L850-GL is a modern, secure module. Open a serial terminal (115200 baud, 8N1, no flow control)

Many OEMs (Lenovo, Dell) lock the AT+EGMR write command via firmware. Try:

AT+EGMR=1,7,"new_imei_15digits"

If response is ERROR or +CME ERROR: operation not allowed, the module is locked.