To download and install apps from the App Store, you must first log in to your Apple ID.
If you paused an installation and then resumed it later, your session may have timed out.
Open "Settings" from the Home screen and then turn off "Airplane Mode," if applicable.
If you're not in your home or office, or if you don't have access to a public hot spot, open the "Cellular" menu and confirm Cellular Data is turned on.
Make sure you are logged into the same i Tunes account that you used to purchase the app Although the App Store may show an update is available, you need to be logged into the original Apple ID that you used to purchase the app to be able to download any updates. You can check your App Store purchase history to see if the Apple ID you are using was used to purchase an app.
To forcibly close the app, press the Home button twice to bring up the task switcher and then swipe up on the screenshot above the App Store.
With over one million apps available for download, and many of those free or costing only 99 cents, most i Phone users flock to the App Store to make the most of all that the device has to offer.
One of the most convenient things about the i Phone is that the download and installation of apps is completely automated -- you don't have to select a file location, create a folder name or choose your setup options.
To enable installing apps, go to the Settings app on your device's home screen, tap is set to ON/Green.
If you are updating an app directly on your device, make sure you are connected to Wi Fi To make sure you are connected to Wi Fi, go to the Settings app on your device's home screen, tap is toggled ON and you are connected to a wireless network.