Upgraded to ios7 on my iphone 4 and it won't hold any events I add

[iMore Question]

Help! Upgraded to ios7 on my iphone 4 and it won't hold any events I add?

 

[Just_Me_D]

Try a reboot.

 

[Ipheuria]

I'm assuming you're talking about in the Calendar app? Check which of your calendars are checked by tapping "Calendars" on the bottom middle of the app. Then go to Settings, Mail,Contacts, Calendars. Look under Calendar settings and see which Calendar is the default for new events.