How to find if your phone bootloader is Locked or unlocked?

There are two methods to find whether your phone bootloader is locked or unlocked.

 Method 1:
            1.Open your dialer
            2.And dial *#*#7378423#*#*
            3.It will open a new window 

            4.In that window,
                Service Info >> Configuration

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

If this is not worked means, then try the second method
Method 2:

1.Download adb recovery toolkit based on your android phone.

2.open command window in that file direcotry and entr the command

  fastboot devices  

3.It returns info about devices

4.Enter

fastboot oem device-info

It will return the information about your phone, whether it is unlocked or not