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.

With L's Android release, the recovery is getting a little bit more useful with two new options: reboot to bootloader and power down.

Weâ ll use ADB commands to reboot into fastboot mode and verify the bootloader status. Fastboot is a bootloader mode in Android that lets you check the bootloader state, among other things.

Is your Android phone or tablet stuck in a boot loop, frozen, or infected with malware? Recovery mode could be the answer.

Type the command fastboot reboot to reboot your tablet. Congratulations! You have successfully unlocked or relocked your Google Nexus 10’s bootloader.

Nexus 6 (aka Motorola Shamu) users, who are running the Android 5.0 Lollipop update can now unlock their device's bootloader manually, in just a few minutes time with Android SDK and fastboot.