Originally Posted by Whosat
It will never be 8GB. The operating system occupies space on your storage which is why it uses that space.
So it is right. I noticed that if there was stock rom it showed 8 gb in the usage and the yellow part for the system was 2.5 gb. And when I flashed kitkat rom the yellow part for the system wasnt there. It starts with the green color witch is for apps.