Building a DIY 4G Phone

DIY 4G Phone Workshop

Build your own open-source 4G mobile phone from scratch. This project prioritizes mindful technology - no app stores, no infinite scrolling, just calls, texts, and the features you choose to add.

What You'll Learn

• Electronics assembly - Connecting modules and understanding how they communicate
• Arduino programming - Writing and modifying firmware for your phone
• Open source hardware - Working with hackable, customizable designs
• Intentional technology - Building devices that respect your attention

Components

• SIM7600 4G Module - Global LTE connectivity for calls and texts
• ItsyBitsy Microcontroller - Arduino-compatible programmable brain
• 240x240 TFT Display - Compact visual output
• CardKB Keyboard - Physical typing without touchscreen dependence

Expandability

The modular design allows you to add GPS, environmental sensors, solar charging, and more. Design your own case - from minimalist wood to creative custom designs.

Workshop Details

Perfect for anyone interested in electronics, open-source hardware, or reclaiming control over their technology. No prior experience necessary.

Learn more: diy-phone.github.io