If you would prefer a smartphone that was a little more open source and home-brew rather than the thousand dollar iPhone X or new iPhone 8 devices which have launched today.
You may be interested in the Raspberry Pi smartphone called the ZeroPhone costs roughly $50 in parts and is a finalist in the Hackaday Prize best product competition which offers a grand prize of $50,000.
The ZeroPhone is hopefully going to be crowd funded shortly and the sooner is more information is announced we will keep you up-to-date as always. But for more information on how to build your very own jump over to the ZeroPhone subreddit which provides all the information you need to know.