Attached you will find 4 rar-archives:
All the materials has there own id's. If you use 3ds max, in the material slot you will find 4 ready to use materials:
Objects are grouped and include 2 parts: body of the iphone (1st object) and logo + texts (2nd object) that are placed on the back side. For the logo and texts you can use material from the material's slot with id #4.
Model is ready for NURMs subdivision.
Hopes you will like it!