Open a new file, that would have 450x470 px and 300dpi.

Stylish Phone Icon in Photoshop CS

Take the next instrument and try to represent a circle like that one indicated next picture.

Stylish Phone Icon in Photoshop CS

Blending Options-Drop Shadow

Stylish Phone Icon in Photoshop CS

Blending Options-Inner Glow

Stylish Phone Icon in Photoshop CS

Gradient?s
parameters.


Stylish Phone Icon in Photoshop CS

Copy this new made layer and apply Free Transform option to minimize it. Fill 0% on the layers and make everything look like it is demonstrated below. Keep the same parameters also.

Stylish Phone Icon in Photoshop CS

Blending Options-Gradient Overlay

Stylish Phone Icon in Photoshop CS