IPhone towards a phone. Apple created the device during a secretive collaboration with Cingular Wireless (which became AT&T Mobility) at the time—at an estimated development cost of US$150 million over thirty months. According to Steve Jobs, the "i" word in "iMac" (and therefore "iPod", "iPhone" and "iPad") stands for internet, individual, instruct, inform, and inspire. Apple rejected the "design by committee" approach that had yielded the Motorola ROKR E1, a largely unsuccessful collaboration with Motorola. Among other deficiencies, the ROKR E1's firmware limited storage to only 100 iTunes songs to avoid competing with Apple's iPod nano. Cingular gave Apple the liberty
IPhone 5C polycarbonate housing, which is strengthened by a steel band. However, due to the material of design changes, the phone weighs 132 grams, which is 20 grams heavier than both the 5 and the 5S, but still lighter than older iPhone models. The design of the iPhone 5C is also considerably thicker but closely similar to the design of the iPod Touch (5th generation) models, which is also available in a variety of colors, but in a different coating finish. Other minor changes include a different camera assembly and the design of the mute/ringer switch. This iPhone received positive reviews for