Abstract: Some embodiments of the invention include a package and tray system for modularizing a set of component hardware devices of an electronic device. The system includes at least one package and a tray. Each package fits into the tray by an alignment notch that aligns the package for interlocking within the tray. In some embodiments, the system includes several packages that simultaneously fit into the tray. In some embodiments, the packages include a CPU package, a Wi-Fi package, a battery package, a SIM card package, and a camera package. In some embodiments, a minimum package configuration includes the CPU package, the memory package, and the battery package.