I can not sign in on the I tunes store on my 5s

Hi Raisedcain,

Welcome to Apple Support Communities!

The issue that you described, being unable to sign into the iTunes Store on your iPhone, is likely affecting other features too. Try running through the suggestions in the troubleshooting article below.

FaceTime, Game Center, Messages: Troubleshooting sign in issues

http://support.apple.com/kb/ts3970

Symptoms

In rare situations, when you try to sign in to FaceTime, Game Center, or Messages with your Apple ID you may receive one of the following alerts:

"Could not sign in. Please check your network connection and try again"

"Could not sign into Messages. Please check network settings and try again"

"There was an error processing registration"

"The requested operation could not be completed due to an error communicating with the server"

Resolution

Try the following:

1. Ensure that you have an active Internet connection.
2. Verify that you are using a valid Apple ID at appleid.apple.com. You can also create an Apple ID or reset your password from this website. Other things you should confirm while logged into appleid.apple.com:
   • Confirm that the email addresse(s) for your Apple ID has been verified.
   • Check for miss-types of the email address
     • Check the spelling of the email address
     • Check that all letters are lower case
     • Make sure that special characters are correct, e.g. no commas (,) where there is supposed to be full stops (.), etc.
   • Note You may experience issues if your email address is associated with more than one Apple ID. If you have multiple Apple IDs, log in toappleid.apple.com with each Apple ID and confirm that each email address you wish to use for FaceTime or Messages is associated with only a single Apple ID.
3. Make sure the date, time, and time zone are set correctly in Data & Time preferences, in System Preferences.Tip: Enable "Set date and time automatically" in Date & Time preferencesto automatically keep this information accurate.

-Jason