iPhone OS 4.0

End users will get these features this Summer, and will be iPhone 3GS and iPod touch 3rd generation compatible. They will run everything. The iPhone 3G and iPod touch 2nd generation–will run “many things”, but they will not get multitasking.

　正式リリースは夏。マルチタスク機能対応。他にも色々。フォルダ機能など追加。
　iPod touch 3rd generationとiPhone 3GSのみ完全対応。それ以前のは一部機能のみ追加で、マルチタスクには非対応。