Related: How to lock your Netflix profile with a PIN The “For You” storage doesn’t include Netflix videos that you manually download. At the default video quality setting, Netflix estimates that you can squeeze in about 12 hours of shows and movies into (for example) 3GB of storage space. Once you’ve turned on the feature, you can tap the “+” and “-” buttons on the Smart Downloads settings screen to expand or shrink the amount of storage you want to allocate to automatic “For You” downloads.