Please how do i unlock the bootloader of my itel s15

My itel s15 bootloader is locked.. I tried fast boot commands but got an error saying failed : unknown command

Hi, welcome to AC!
In Developer settings you see OEM unlock toggle on?
Otherwise you can try XDA Forums.

Originally Posted by Precioo

My itel s15 bootloader is locked.. I tried fast boot commands but got an error saying failed : unknown command

Exactly the same output I also have the same problem