I don't know about you but my grandparents are only interested in calling and texting and only want a cheap phone but the problem is that all the cheap Nokia phones are quite complicated to use and are definitely not idea for the older person with poor eye sight. As Microsoft would own Nokia's low end feature phones too after the acquisition I thought I would create a concept for a new OS in Windows Phone style for their cheap phone the Nokia 100. It is based around simplicity of being appropriate for someone who just wants a cheap phone to call and text and nothing else. So on the main screen you press either of the two buttons under the screen to get to calling or messaging or you can start typing in a name or phone number and then choose if you want to call and message that person. Here is the concept...