In some corners of the world, even starter smartphones like the ZTE Open are too costly; basic cellphones such as the Nokia 105 thrive in areas where whole families can only afford one device. However, ARM believes that smartphones will soon be within reach of just about anyone. While it's possible to make a $25 Firefox OS phone today, ARM now expects to see a $20 Android phone within the "next few months." It might not actually be possible to go cheaper using current manufacturing techniques, the chip designer says.