Open Source Cell Phone

Basics

• A simple phone that is capable calls and text messages

Used For

• Communication

Existing Open Source Designs

Dooba Trill

http://dooba.io/en/articles/59

bobricius design

hackaday link

Paul Gardner-Stephen - Leon Leondiades - Shelim Islam

• Chip - MTK - Qualcomm - mediatech
• Website: Amalogics, global light infrastructure
• Arduino integrated in cell phone
• 1B in china
• Huawei - http://www.huawei.com/en/ - 2 senior engineers have good knowledge how to make a low cost device for 10,000 phones
  • Refundable deposit of $65k to Huawei - development cost for 2 prototypest
  • They integrate chips, not make
• 10x development cost
• Electronic Frontier Foundation is hungry for OS cell phone in Ecuador

Minimum Viable Product

• Moodular
• User Maintainable
• User Upgradable
• Software is Easily Customizable
• Extremely Durable + Enviromentally Hardened (ie Shockproof, Water-Resistant/Waterproof, Dirt-Resistant/Dirtproof, Temperature Extreme-Proof (ie very cold winters etc) )
• OCI Board
• Solid "Bar Phone", Clamshell/Flip Phone, or a Slide Phone, maybe all of these as different designs? (This needs t be determined)
• Easily swappable batteries (ie tool-less access) (Also one or two (for hot swapping) ?)
• Cellular Connection(3g/4g/4g lte/5g Need to decide)
• Sattalite Connection (this is a bit extreme, but global coverage is nice)
• Antennas (Internal or External?)
• Charging + Data Port (USB C possibly)
• Storage (SD or Micro-SD) (How Many GB?)
• Headphone + Microphone Port (For Headset Use)

Basic Design

Board

• OCI Made

IO Module

• 1x 3.5mm Audio Out Port
• 1x 3.5mm Audio In Port
• 1x USB-C Port

Shell

• 3D Printed (ABS, or Composite Filament)

Case

• Silicone From 3D Printed Mold?

See Also

• Open Source Smartphone
• Cell Site Router https://www.youtube.com/watch?v=F-5Fa3y4Hnk
• Kite, Opensource smartphone [1]