I have rooted and am currently using a custom ROM (Cyanogen-mod) and when I plug it into the computer, it shows the total phone storage as 9GB. From online research, I've found out that the Google edition of the S4 has at least 12GB free from the 16GB built on storage. My question is that since I have installed a custom ROM which uses a lot less space, why do I only have 9GB available out of 16GB?
Also how could I free come space up to get more storage?
Thanks for all the help!.