For considered the Nokia Lumia 900 owner guide, you can use PDF application like Adobe or Foxit or other PDF application. The Nokia Lumia 900 guide also can read online directly at Nnokia formal webiste. In the Nokia Lumia 900 individual details provides referrals details, teaching also some important guide about how to using the Nokia Lumia 900 properly and securely. For example you can get details about learn phone functions or phone running details, using programs, linking details, phone setting details or phone management, tips, safety, etc.
Nokia Lumia 900 Keys and Parts:
Connector for headphones and loudspeakers (3.5 mm)
Micro-USB connector. Also used to charge the battery.
SIM card holder
Power key/Key lock button
Download Nokia Lumia 900 User Manual