Instructions to reinstall application to your iPhone
Before using iTunes connect your iPhone to the computer with the USB data cable.
1. Open iTunes and login to your account if necessary.
2. Select your device from the left bar DEVICES list.
3. Click the Apps button from the top bar list. (the list includes following buttons: Summary, Info, Apps, Music, Movies, TV Shows, iTunes U, Photos)
4. Check DocScanner application from the Sync Apps list.
5. Finally click the Sync button Lower right.
