: Once the file is on the phone, opening it triggers the built-in application manager to install the theme. Application : Themes are managed under Menu > Settings > Themes > General
In the golden age of smartphones, before the uniform glass slabs of iOS and Android dominated the market, personalization was an art form. At the heart of this era stood the Nokia C7. Running on the Symbian^3 operating system, the C7 was a powerhouse of mid-range luxury, offering a 3.5-inch AMOLED screen and a sleek stainless steel body.
Understand the files in more detail.
