When we need to root our Android device one common way is update root package from recovery mode.In Samsung Galaxy S Plus , Entering in to recovery mode need some extra touches than other popular samsung devices like SGS2,ACE etc. follow the simple steps below to enter in to recovery mode in your samsung galaxy s plus.
1. Switch off your SGS Plus (wait until you get the vibration )
2. Now, press and hold the volume up key and the power button. Leave both buttons when you see the SAMSUNG logo.
3. After "Galaxy S Plus" splash screen you will get a white box and android logo image like below,then press menu soft key and wait some second.
That's it ! You will be in recovery mode !