Nokia has filed documents of its Lumia 635 and 930 phones to the FCC. The company is not secretive about the phones, it has posted the user manual and photos of the devices. Likely because all specifications of the phones are already known.
The documents of the Nokia branded 930 is filed by Microsoft Mobile, those of the 635 are filed by Nokia Cooperation. Besides outside pictures of the phones, both filings also reveal the internal of the phones. The Lumia 930 is specified to have a 5″ display with a 1920×1080 Full HD resolution. The device is running on a Qualcomm 800 quad-core 2.2 Ghz CPU and has 20 MP PureView camera.
The Lumia 635 is specified to have a 4.5″ display with a 854×480 resolution. The phone has a 5 MP camera and runs on a SnapDragon 400 quad-core 1.2Ghz CPU.
Pictures of the phones show an internal Nokia URL, http://proto.nokia.com, where Nokia phone testers can register their device and which has a document explaining how to deal with Nokia Prototypes.