Mi Unlock Tool 1004 Error May 2026

He downloaded the official MI Unlock Tool, connected his phone, and followed every guide. But just as hope peaked, a red message appeared:

Frustrated, Alex searched forums. Some called it the "gatekeeper error." Here’s what he learned. mi unlock tool 1004 error

Alex reset the phone, logged in with his MI account, and waited 72 hours (a required cooling period for his model). This time, when he ran MI Unlock Tool, no 1004 error appeared. The progress bar moved—slowly, surely. He downloaded the official MI Unlock Tool, connected

He tried the usual tips—rebooting, reinstalling drivers, using a different USB port. Nothing worked. So he dug deeper. Alex reset the phone, logged in with his

He opened Settings > Mi Account on the phone. The top showed an unfamiliar email—the previous owner’s. That confirmed it: the phone was still bound to someone else.

Alex had just bought a used Xiaomi phone. It was a great deal—perfect hardware, a vibrant screen, but it was tied to the previous owner’s MI account. To truly make it his own, Alex needed to unlock the bootloader, the first step to installing a custom ROM or simply freeing the device.