Where is all the storage space going on my iPhone 4s?

It says that I've used up 5.6 GBs but when I did the math and added up all the space my apps took up I only got 1.6 GBs. Where is all the other space going? I'm on a family plan if that means anything. Is there anyway to free up space on my phone?

It depends on what storage size Iphone you have. Keep in mind the apps that already come pre downloaded on the iphone take up space as well. So if you get an 8GB Iphone 4S you will really only have 6GB of space left to use.

The space is not just for your personal playtime. The system files of the phone use it as well (approx. 20-25%).

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