Mecha Comet’s Linux PC-Phone Hybrid: A Modular Approach to Linux Smartphones

The Mecha Comet is a modular Linux-based handheld device that combines features of a PC and smartphone. It features a 4-inch AMOLED display, microphones, speakers, a SIM tray, dual USB ports, and a mini HDMI port. The device includes three kill switches for Wi-Fi, microphone, and camera, along with a boot mode switch for SD cards and debug console access. Preorders are open, with expected shipping in October or November. Modular extensions include a keyboard, gamepad, and IO Breakout for hardware modules. The device runs a custom Linux distro optimized for hardware, offering a dedicated Linux terminal in a portable form factor. It supports USB PD power without a battery and includes an NPU for on-device AI workflows. Users plan to use it for remote SSH access, SSH into home labs, and as a minimalist phone for digital detoxing. However, it lacks a built-in earpiece for calls and has a Blackberry-like form factor. Critics note limitations like 4G connectivity instead of 5G and the absence of essential apps for banking, work authentication, and legal filings. Despite these, the open-source hardware and flexibility make it a promising innovation in Linux hardware.