Recovery is a android tool in your android device where you can easily backup & restore any zip file, ROM zip file, kernel, img file, or wipe data of your device, make a factory reset and more. Every device come with recovery, we call it stock recovery which can be accessed by users. For android developers or android lovers who used to modify their android device, they install custom recovery which is solid and suitable for development tasks. ClockWorkMod (CWM) recovery and TWRP (TeamWin) recovery are the most popular touch-based recovery.
If you are beginner to android and started to familiarize on android platform and operation, I wonder you should familiar on recovery mode (stock and custom recovery) on your android devices. Both mode are very helpful for you to install or flash the needed zip files, perform backup or restore, and more customization work on your devices. All devices come with different buttons combination in order to boot into recovery, we would like to share you the easiest way to boot into Recovery mode without memorizing all the buttons combination.