Change Imei - Zte Mc801a

Changing the IMEI (International Mobile Equipment Identity) of a ZTE MC801A

Technical Reality for ZTE MC801A

The ZTE MC801A uses Qualcomm Snapdragon X55 5G modem with firmware that is heavily locked down. Methods that worked on older 3G/4G routers (like AT commands via USB) generally do not work on this device because: zte mc801a change imei

ZTE disables DIAG port on consumer firmware.

Even if enabled, recent firmware requires authentication (Sahara/Firehose loaders are signed).

The IMEI is also checksummed against other identifiers (MEID, ESN) – changing one without updating others breaks network registration.

Warranty and Safety: These procedures often require rooting or deep system access, which will void your manufacturer's warranty. Related Configuration Tasks ZTE disables DIAG port on consumer firmware

was no longer a router in the eyes of the network; it was a ghost in the machine, finally set free to run at full speed. Warranty and Safety : These procedures often require

Support | ZTE MC801A Manage How to access the Web UI | Three.ie

A computer with a Linux/Unix-based operating system (e.g., Ubuntu, macOS)
A USB cable
A terminal emulator (e.g., Terminal on macOS or Ubuntu)
The ZTE MC801A modem

reboot

Brick Risk: Improper flashing or NV editing can permanently damage the router.