Mi Unlock Tool 1004 — Error

In Alex’s case, the previous owner had forgotten to remove their account. For others, it happens when buying “new” phones from third-party sellers who pre-logged into dummy accounts.

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. mi unlock tool 1004 error

Error 1004 is Xiaomi’s security mechanism preventing an unauthorized MI account from unlocking a device. Unlike simple password errors, 1004 means: “This phone is locked to a different Mi account, and you haven’t proven ownership.” In Alex’s case, the previous owner had forgotten

He later wrote a forum post: “Don’t fight Error 1004. Respect it. Contact the previous owner or return the phone if you can’t. It’s the lock keeping your phone safe from thieves.” The top showed an unfamiliar email—the previous owner’s

He tried the usual tips—rebooting, reinstalling drivers, using a different USB port. Nothing worked. So he dug deeper.

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