Follow the steps below. You must follow every step and you should be done in about a minute
Turn off your phone.
Connect your phone with a USB cable
to PC or another Samsung mobile
You will see the charging icon on your screen.
Wait till it shows charging with battery percentage.
Next, press and hold the Volume up and Side key simultaneously.
You can press the volume up button just before the Side key.
The Samsung Logo followed by
Samsung Galaxy appears on the
screen.
At this point, release the keys
Phone will boot into Android Recovery mode
