If all corner cubies are oriented correctly, meaning the colors are on the right side, then you can skip this step. Otherwise you need to know the following two algorithms. One orients 3 corner cubies counter-clockwise. The other orients 3 corner cubies clockwise.
| F' U' F U' F' U2 F U2 | F U F' U F U2 F' U2 |
| | |
There are actually 8 possible scenarios, but each can be solved by using only these two algorithms, at maximum two tries. This means that after you perform either algorithm once, you should end up with a state where 3 corner cubies need to be oriented clockwise or counter-clockwise. With some thinking you should be able to figure out what needs to be done in each scenario.
After you are done the Rubik's cube should look like this. Whew~ We are almost there
◀ Correct Corners on Last LayerCorrect Edges on Last Layer ▶
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