PuzzlePhone cell phone is from Puzzlephone is a cell phone brand developed by Finnish team Circular Devices, Puzzlephone consists of three modules, designed to be easy to repair and upgrade both hardware and software. The "Spine" module contains the LCD display, speakers and device structure; the "Heart" module contains the battery and other electronic components; and the "Brain" module contains the battery and other electronic components. "(Brain) module covers the processor and camera and has many colors to choose from.

The benefits that come with a modular phone, you can Replace old components, do not need to worry about the packaging process leads to a component bad and replace the whole part, thus reducing the cost of maintenance, Puzzlephone project was established in September 2014, if the funding can be expected to be available in the second half of 2105 will begin official production, of course, it will also be a device running Android.

The concept is designed to allow users to replace old modules without having to replace them when other components have not yet exhausted their lifecycle. For example, LCD displays, speakers and microphones don't need to be replaced as often as they should, compared to batteries or cameras that see major technological improvements every two years.

In addition, the phone will have a lot of room for customization, allowing different users to assemble the components they need most. In theory, this means that users should be able to choose a large battery with a variety of sensors that monitor user activity and fitness data; or users can choose a high-quality camera, and so on.

The Puzzlephone team promises to publish standards so that hardware developers and manufacturers will be free to produce components for this phone. On the software side, the phone will run on a modified Android operating system that will allow for community development and rapid improvement.