Account won't load on Iphone

See the Apple Support article(s) below. 

Apps won’t downloaded.  *

App Store, iTunes Store, or other Apple services - If you can't connect   *

App unexpectedly quits, stops responding, or won’t open.  *

Some things you can try. Do you have access to another WiFi network where you can try? That has worked for several people.

Try a restart.

Restart your iPhone, iPad, or iPod touch    *

Try a forced restart. See the section towards the end of the article.

Reset Device. -

If necessary

Hard reset.     

Do a backup and try a factory reset. Then restore from your backup.

Restore to Factory setting.      *

Restore - If you see an error when you update or restore your iPhone, iPad, or iPod.   *

Backup - Restore your device from an iCloud or iTunes backup.     *

If you sign out, the data will be removed, but when you sign back in and set up iCloud syncing, the data will sync back to the phone. Or where it shows Keep a copy of, slide the switches to the right to keep a copy of the data on the phone.