If you are looking for a new phone with a modern looks as well as modest price tag a DIY cell phone is just the right thing for you. It features a 1.8-inch, 160×128 TFT LCD black and white display, and works with a standard SIM card any almost all GSM networks across the globe. It can make and receive phone calls and text messages, store names and phone numbers, and display the time.
The hardware and the software are built on the Arduino GSM shield but with extended features. The display is available in two version, one with the old black and white display that used to come with the old Nokia phones, while the other version is build using eight-character matrix of red led’s. It also has a body made of laser-cut plywood with flexures beneath the surface so that you can press buttons. However, there are no ready-made kits available in the market but the components are easily available online or at any local hobby shops.
Embedds highly recommends EasyEDA for circuit and PCB design