If your device is "bricked" or you need to install a specific stock ROM (e.g., to remove carrier branding), you must use a dedicated PC tool.
But before you do, there’s a solution: zte mc801a firmware flash
Firmware flashing is not a typical router update. If it goes wrong, you can the device – turning it into an expensive paperweight. If your device is "bricked" or you need
Click Download and connect the router while holding any specified hardware keys (often volume/reset pins) to enter the correct mode. 3. Common Issues & Troubleshooting ZTE MC801A Review | Page 6 | ISPreview UK Forum to remove carrier branding)