How to check if your bootloader is locked or unlocked?

How to check if your bootloader is locked or unlocked?

This tutorial is suitable for all versions of Android. We are provoding two different methods to check the status of your bootloader, use the one that works for you.

Method 1 :

This one is the easiest method and works with many device out there, you don’t require any use of PC, you just need to enter a spacial block of numbers in your keypad to check your bootloader’s status.

Step 1 : Open your device’s dialer (App where you enter telephone numbers to call someone).

Step 2 : Dial the below code, it will automatically open a new windows. (if it doesn’t opens anything then use the second method).

*#*#7378423#*#*

Step 3 : Now in that window go to Service Info >> Configuration, and see if there is :

Bootloader unlock allowed - Yes >> This means that your Bootloader is Locked 
Bootloader Unlocked - Yes >> This means that your Bootloader is unlocked

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Method 2 :

Step 1 : Download and install adb & fastboot package & drivers in your system (Google it for your device).

Step 2 : After successful installation of adb & fastboot, connect your device to your PC via USB cable in fastboot mode.

Step 3 : Now open the folder where your adb & fastboot package is extracted, press Shift key on your keyboard and right click in the folder and select “Open command prompt here“.

Step 4 : It will open a Command Prompt window.

Step 5 : Type the following command to check if the device was detected in fastboot mode.

fastboot devices

Step 6 : if you don’t get device it or anything it means that the drivers weren’t correctly installed or the device wasn’t connected properly, if this happens try reinstalling your drivers.

Step 7 : Next run the following command to check the status of your device’s bootloader.

fastboot oem device-info

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[출처 : https://thebroodle.com/android/how-to-check-your-bootloader-is-locked-or-unlocked/]