: Modifying firmware or using third-party flash tools can expose your network to security vulnerabilities. Final Verdict ZTE MC801A

: A faster alternative for some users involves flashing specific firmware components via QFIL to reset or change the identity. AT Commands

Qualcomm Snapdragon X55 + Cortex A7 (IPQ807x family architecture) SDX55 5G Modem-RF System Storage Architecture

This method involves accessing the device's "Engineering Mode" or diagnostic port:

The high demand for this modification stems from several, often controversial, use cases:

Used to communicate with the router’s diagnostic port.

There are serious issues with ZTE MC801A devices ... - 20024