How to solve a Rubik's cube 2x2 - Step 1
At the beginning of this stage, the cube is completely unsolved.
At the end of the stage, you should have the upper part solved.
Find one of the corners of the top face and permute it so that it is located on the bottom face. Now, depending on the new arrangement of the colors of this cube, complete the step shown below.
Repeat the step with the three remaining pieces of the upper face.