MI Unlock 6.5.406 is a stable, albeit restrictive, workhorse for the Snapdragon 860/870 generation of Xiaomi phones (Poco F3, Mi 11X, Redmi K40). While it offers a safer unlocking mechanism than hacked versions, its strict adherence to Xiaomi's server timers can be frustrating for power users.
You have a newer HyperOS device (Android 13/14). For HyperOS, you generally need MI Unlock 7.x or the newer HyperOS Unlock Tool . Version 6.5.406 will likely throw a "Device not supported" error on the Xiaomi 13 or 14 series. mi unlock 6.5.406
: At launch, it automatically checks for newer versions to ensure the security protocols are up to date. User Experience and Common Issues MI Unlock 6
This guide provides a comprehensive look at using Mi Unlock 6.5.406 For HyperOS, you generally need MI Unlock 7
Turn off your Xiaomi phone. Press and hold the simultaneously until the Fastboot logo (the Mi Bunny or "Fastboot" text) appears. Connect the phone to your PC via a high-quality USB cable. Step 4: The Unlocking Process
Unlocking a bootloader isn't as simple as clicking a button. You need to prepare your device to ensure the tool recognizes it.