This one is actually quite a simple mod if you already have the right toolsToolsa) blue Painters tapeb) 2500 and 3000 Grit Sandpaperc) 3M Rubbing Compoundd) Mother's Power Metale) Microfiber towelsI did not take any in Progress shots of the iPhone being polished but the steps are pretty simple (might take some if i do my friends phone)1) Tape up your Iphone 4 using blue painter tape. Wrap around the plastic edges as close as you can to the metal band2) Wetsand with 2500 sandpaper until you get a slightly shiny finish, follow up with 3500 grit. You can also use a Green Brillo pad, or 0000 steel wool.3) Using a microfiber apply the 3m rubbing compound, it will probably take four passes to get it good4) Use Mother Power Metal to finish the mirror finishAnd the money shots