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The idea behind the Octanis Phone (better name needed) is to create a mobile phone that can't do what smartphones do best: breaking. I had several mobile phones and all of them are broken, including a Nokia 3210 (the unbreakable one, or not). As people start to expect that one can be reached all the time, a phone should be capable of following a person wherever they go without breaking. In short, if the human survives, the phone does as well.


The goal is to create a robust and reliable phone that can be used without taking care of it, giving more importance to maybe unconventional problems. The second goal is to try out things that are not implemented in standard phones like for example an e-ink display. A third goal is an educational aspect, to learn what is required for a mobile phone to work.

The wishlist for this phone is the following:

  • waterproof (and floating)
  • extremly robust
  • can be sat on without discomfort (backpocket)
  • long battery lifetime (1 month standby, 1 day calling)
  • display that can be easily read in sunlight / dark
  • no need to look at display for using it (eyes free mode)
  • handles all the standard communication (SMS, calls, mails, telegram)
  • no special equipment required for using it
  • cheap
  • entirely open source

In technical terms, what so far is known this means:

  • density < 1g/cm^3
  • e-ink display
  • Rubber T9 keyboard
  • micro-USB charger
  • size 10 x 60 x 115 mm^3
  • weight < 69g
  • octanisx/phone.1477511924.txt.gz
  • Last modified: 5 years ago
  • by beat