In case of Android 4.0.4 / 4.1 you should do the following steps: 1. Settings → Apps → All. Locate the following: * ProtectedMediaScanner → Clear data & Force stop * ProtectedMediaScannerTrigger → Clear data & Force stop * Media Storage → Clear data & Force stop 2. Restart your Android phone. Turn it off, then on again. Let it rest for 10-15 minutes. Afterwards your media files should be available by Gallery and Music player.