Must be active on the phone for at least 7 days. PC & USB Cable: Use a high-quality data cable. Step-by-Step Instructions Boot Loader Lock Use Introduction FAQ - Xiaomi
The standard utility provided by Xiaomi to authorized users. Redmi 6 Pro Bootloader Unlock File
Unofficial scripts or "dummy" files designed to bypass the standard 168-hour (7-day) waiting period or to unlock devices without an official account. Official Method: Using the Mi Unlock Tool Must be active on the phone for at least 7 days