Understanding Android Bootloader

If you own a smartphone and are interested in tech, then it is only a matter of time before you read or hear about locked bootloaders, on how to unlock them and the fact this could void your phone's warranty. Let's get the facts straight: what is a bootloader and what is it used for?

What is bootloader?

Let’s start from the beginning. The bootloader is a program that starts whenever a device is powered on to activate the right operating system. It is therefore not only a trait reserved to Android, but also one that can be find out all devices with an operating, be it a smartphone, a tablet, a PC etc.