https://www.crowdsupply.com/arsenijs/zerophone

ZeroPhone

A $50 open source smartphone based on the Raspberry Pi Zero

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ZeroPhone is an open source, Linux-powered, $50 smartphone. It has no carrier locks, bloated apps, or data mining, and it doesn’t depend on big companies - instead, its open source hardware and software give you as much control over your phone as possible.

ZeroPhone is user-friendly and will have the typical features of a phone, but will give you advanced features when you need them. You can modify and repair it easily, and it’s power-user and programmer-friendly. It’s also built from widely available components, so you can build a ZeroPhone independently if you need to.

Features & Specifications

• Based on Raspberry Pi Zero, ESP8266 and Arduino
• Has Wi-Fi, HDMI, full-size USB and a 3.5 mm jack (Bluetooth as an option)
• 2G GSM connectivity (3G coming soon)
• 128 x 64 1.3” OLED screen
• GSM/Wi-Fi/microphone hardware switch option
• RGB LED and vibromotor

Uses of Extension Ports

• IR receiver/transmitter
• Additional displays and buttons
• 5 MP / 8 MP Pi Camera
• Extended batteries
• Various sensors, both analog and digital
• Wireless radios for IoT
• GPS, Ethernet and MicroSD expansion
• …and much more.

Perfect for Development

• Runs Linux and gives you root access
• SSH into it and use Linux software!
• Attach a monitor, keyboard and mouse for a desktop
• Use APIs for controlling the behaviour of your ZeroPhone
• Create the phone of your dreams

Follow our development on Hackaday or on our mailing list!