the device has 3 parts: the skeleton with a screen and speakers, the brain from memory, chipset and camera, as well as the "heart", which is a removable battery.
In the prototype, which now employs a company installed Android, but the CircularDevices do not rule out the possibility of switching to WindowsPhone, or Sailfish OSbeing developed by their compatriots.
The main difference from the previously announced ProjectAra company Google is strangely positioning. If the latter is a kind of "Lego" for geeks, the Puzzlephone is almost "immortal" Smartphone. If necessary, the owner without problems will be able to replace the battery, screen and other components in the home.
Source: