Type AT+GTUSBMODE=7 (or the specific mode code for your firmware version).
Most modern L850-GL modules have write-protection on the IMEI sector. If you receive an "ERROR" response to AT commands, your firmware may be locked. You might need to downgrade to an earlier, "unlocked" engineering firmware before the changes will take effect. fibocom l850gl change imei
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 Type AT+GTUSBMODE=7 (or the specific mode code for
Switching USB modes can sometimes cause the device to vanish from the OS. Always keep your original AT+GTUSBMODE value handy to revert the modem to its standard laptop-integrated state. You might need to downgrade to an earlier,
Open your terminal software and connect to the modem's AT command port.