To download and buy apps from the App Store, you need an Apple ID. Your Apple ID is the account that you use to access Apple services. If you use other Apple services like iCloud, sign in to the App Store with the same Apple ID.

If your iPhone suddenly loses its memory (unlikely), or if you delete the app from your iPhone before you sync, that app is gone forever. After you download an app to your iPhone, the next time you sync your phone you’ll see a dialog box that informs yo

On iOS 11, just point the iPad camera at the QR code, iOS should recognize it. Tap the notification pop-up on top of the screen to go to the destination of the QR Code or to download the app. On iOS 10 or below, you have to download a QR code-scanning app