Step 6 Match Yellow Cross with Edge Piece

Insert the Edges to complete the First Layer

Step 6 Result should be:

Possible 3 Scenario

Scenario 1: Only 1 Edge Matches the Side

Turn the top layer until you have only one edge that matches the side

Eg: Below only the Red Side is matching other sides are not matching.

Perform (R U Ri U R U U Ri)x2
Scenario 2: 2 Adjacent Edges are Matching the Side

Turn the Top Layer till it match only 1 side. Then Do Scenario 1 (R U Ri U R U U Ri)x2

Eg: Below Red and Green Adjacent Sides are Matching, Do a Ui to reach the Scenario 1 (Where only Blue Side is Matching)

Perform Ui

Scenario 3: 2 Opposite Edges are Matching

Perform (R U Ri U R U U Ri) to reach Scenario 2

Perform (F R U Ri Ui Fi)

Step 6 Result:

Step 6 is done. Now move to