This is a very welcome feature that saved my day at various occasions, you can turn your iPhone into a wireless hotspot and share its mobile data connection.
Lime scale is often found as a similar deposit on the surface of pipes and other surfaces where "hard water" has evaporated. In this lesson I will show you how to clean it.
Samsung Android devices such as Galaxy S2 or S3 come with a cool app called Kies Air, enabling you to connect via WiFi connection and manage them using a web browser.