Tutorial - Making iPhone 4s in SolidWorks Part 2?

Here is the second part.
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Step 1:
Front face >> Sketch.
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Step 2:
Draw a circle of 4.8mm dia.
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Step 3:
Extrude cut by 1mm at draft of 50º.
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Step 4:
Front face >> Sketch.
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Step 5:
Convert the edge.
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Step 6:
Extrude it by 0.25 at 50º draft.
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Step 7:
Front face >> Sketch. Hide the previous extrusion.
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Step 8:
Draw a circle of 2mm dia.
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Step 9:
Split line and select the inner face.
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Step 10:
Hide the extrusion body.
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Step 11:
Dome the inner surface by 0.40mm.
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Step 12:
Top face >> Sketch.
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Step 13:
Draw a slot.
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Step 14:
Extrude cut it by 0.50mm.
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Step 15:
Inner face >> Sketch.
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Step 16:
Offset the edge by 0.25mm.
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Step 17:
Extrude it by 1.10mm without merging result.
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Step 18:
Chamfer the edge by 0.20mm at 45º.
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Step 19:
Left face >> Sketch.
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Step 20:
Draw a rectangle and fillet its's corners.
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Step 21:
Draw another circle.
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Step 22:
Draw 2nd circle.
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Step 23:
Extrude cut them by 0.50mm.
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Step 24:
Inner face >> Sketch.
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Step 25:
Draw a slot.
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Step 26:
Draw two circles.
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Step 27:
Extrude them by 1.10mm.
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Step 28:
Chamfer the edge by 0.2mm at 45º.
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Step 29:
Circular face >> Sketch.
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Step 30:
Draw this sketch.
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Step 31:
On lower circle draw this sketch using slot.
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Step 32:
Extrude cut by 0.2mm.
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Step 33:
Here is third part.
http://grabcad.com/questions/tutorial-making-iphone-4s-in-solidworks-part-3