How to Make Your New HP Calendar, Ring and Palm Pad for $15,000

This is part three of a three-part series on building a budget smartphone for the modern age.

 For the first part, we’ll walk you through the basics of building a smartphone, how to choose a camera, and how to install an operating system.

If you’re interested in building your own smartphone, check out Part One, which starts with a basic setup and ends with an easy-to-use smartphone.

Next up, we cover the basics and the best apps for building a mobile experience.

In Part Four, we walk through building a device that can work in any environment.

Finally, we look at the different types of phones, including the iPhone 5, the new iPad, and the Android One.

To see Part Four in its entirety, click here.

This post was updated on November 24 to include the latest version of Android’s developer preview, which was released on November 29.