All Smartphones
From 2010 onwards, such phones became popular in emerging markets, and this was attributed to the desire to obtain the lowest calling costs. An input mechanism to allow the user to interact with the phone. These are a keypad for feature phones, and touch screens for most smartphones . Multiple SIM cards may be used to take advantage of the benefits of different calling plans. For example, a particular plan might provide for cheaper local calls, long-distance calls, international calls, or roaming. The lithium-ion battery, an indispensable energy source for modern mobile phones, was commercialized by Sony and Asahi Kasei in 1991. In 2001, the third generation was launched in Japan by NTT DoCoMo on the WCDMA standard. This was followed by 3.5G, 3G+ or turbo 3G enhancements based on the high-speed packet access family, allowing UMTS networks to have higher data transfer speeds and capacity. All the prices and specs are relative to the mobile phones being sold in the Pakistani market. ...