Fibocom L850-GL is a popular LTE module often found in laptops and DIY cellular routers. Modifying its International Mobile Equipment Identity (IMEI) is frequently attempted to make the modem "impersonate" a smartphone, allowing it to bypass carrier restrictions on laptop or router data plans Technical Implementation Fibocom L850-GL
: In many jurisdictions, including the US, UK, and EU, altering an IMEI number is illegal and can lead to severe penalties, such as fines or imprisonment. fibocom l850gl change imei work