Unlocking the bootloader wipes all user data (factory reset).
: In Settings > System > Developer Options , enable both USB Debugging and OEM Unlocking .
If you are reading this article because your free command failed, here is the diagnostic tree.
For older devices or specific manufacturers, you might need to use the legacy command: fastboot oem unlock unlock bootloader command free
However, with great power comes great responsibility. The process wipes your data, voids your warranty, and requires a careful understanding of the risks. But for those who value customization and control, unlocking the bootloader is a rewarding first step on a journey of Android mastery. Always follow guides from trusted sources like XDA-Developers and the Android Open Source Project, and you'll be ready to explore a world of custom ROMs, root access, and limitless customization.
Xiaomi uses its own proprietary validation system to protect consumers from malicious third-party vendor ROMs. Bind your Mi Account to the phone inside Developer Options. Download the official, free on your PC.
This is the biggest and most real consequence. Unlocking the bootloader is widely recognized by manufacturers as a modification that voids your warranty. Unlocking the bootloader wipes all user data (factory reset)
Bind your Mi Account to the phone under Developer Options -> Mi Unlock Status.
The trend is grim for the "free command." Google is pushing and StrongBox Keymaster to make unlocked bootloaders detectable by apps. Samsung has nearly eliminated Snapdragon unlocking. However, the community fights back.
Type cmd and press . A black Command Prompt window will open, pre-targeted to your tool directory. Step 3: Verify the Connection via ADB For older devices or specific manufacturers, you might
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Avoid third-party software suites that bundle malware. Download the official, free tool directly from Google: Visit the Android Developer website.
Open Terminal and navigate to the folder using cd /path/to/platform-tools . Step 2: Prepare Your Android Device
Before running any commands, you must prepare your device to accept them:
