OS operators, manufacturers, and service providers

Depending on a smartphone's error, it is not always easy to know which company to call. For example, imagine that your iPhone spontaneously powers off every time you attempt to load your Angry Birds game application. In this case, you have three possible customer or technical support parties that you could contact: the Angry Birds developer Rovio, Apple's technical support for assistance with its hardware or OS, or your cell phone carrier (AT&T, Verizon Wireless, and so on). In this case, it is unlikely to be an issue with your cell phone carrier; the problem is more likely associated with the iPhone software or hardware, or with the Angry Birds application itself. As you can see, though, deciding which party to contact for technical support can sometimes be a difficult decision when it comes to your smartphone. Although one could decide to call each number until they get the solution they want, most of us would prefer to spend as little...