One of the changes implemented in iOS 7 which many users did not understand is related to the unlocking system of iDevices, Apple Lossless Audio CODEC (ALAC), eliminating the sound played when unlocking a terminal. The company did not offer any explanation for the change, no one managed to get any clarification from anywhere, but this "problem" disappears after installation unlockSound7 .This new tweak al Cydia reimplement in iOS 7 the sound played when unlocking a terminal, all without you doing anything.
Unlock Sound 7 brings the device unlock sound back to iOS7. You can enable / disable the unlock sound in the Settings app. Requires iOS7.
unlockSound7 it is available for free in the repo BigBoss al Cydia.
