No login sex - Updating apps in itunes
Once it is fully powered down, you can boot it back up by pressing the sleep/wake button again.This process will give the i Pad a clean start and has a tendency to solve many problems.
Learn how to fix a poor Wi-Fi signal on your i Pad.
The next trick in our arsenal is to reset the i Pad's settings.
Once it installs, locate the original app that was stuck to see if it starts downloading.
Note that this step should not be tried if the app saves information that you want to keep, such as a note-taking app or a drawing app.
Find out the fastest way to launch an app without hunting for it.