First off, the bootloader isn't part of Android, it's what lets the device boot into Android. Device manufacturers generally want you to stick to the version of Android they preloaded on the device.

The picture above was taken by Alexei Watson who states that the new stock recovery in Android L has a few new features. You can now Reboot to Bootloader, and Power down.

Unlock your bootloader, but do not flash your custom recovery yet. Reboot. Your device will force-boot into stock recovery, wipe data and cache, then reboot again.

A researcher has unlocked the bootloader on Samsung Galaxy S4 Android devices, enabling the uploading of custom kernels and software.

The Asus Transformer Prime will be getting Ice Cream Sandwich on 12 January, with an unlocked bootloader en route.

Smartphone bootloader firmware should be secure even if the operating system is compromised. But researchers have found five flaws in major chipset vendors' code that leave the process vulnerable ...