Cannot connect to itunes store when updating apps validating microarray data
Unfortunately, cached files can sometimes become corrupted or experience glitches.
The App Store is the very first service listed on this page.
Let’s begin by checking to see if your i Phone is connected to Wi-Fi.
Go to Settings - Wi-Fi and make sure the switch next to Wi-Fi is in the on position.
You’ll know that Wi-Fi is on when the switch is green!
Below the switch, make sure there’s a small check mark next to the name of your Wi-Fi network — if there is, you’ll know you’re connected to Wi-Fi.
To diagnose the real reason your i Phone is having this problem, we have to make sure that: If one or more of these aren’t working, it could be the reason why your i Phone “cannot connect to App Store”.