In the context of 3G, 4G and 5G networks, in turn, appeared with increasingly shorter intervals. 2G networks have been switched off in some countries, to cede the bandwidth for new generations. Information technology is rapidly developing, and the life cycle of devices is getting shorter. Since the amount of electronic waste is increasing, they contain many toxic substances, very dangerous to the environment. In modern life, there are many people who want to use the basic phone, with the main function of calling and texting, compact design, durable battery and long usage time.

Source: news.microsoft.com

Understanding that, we are researching to create a basic phone product with long-term usability. A mobile phone with an interchangeable network module that can be easily upgraded. It has a compact size, few features and the battery is durable.