Duplicate calendar after syncing

[dogwoman]

Hi all -- I just synced my new iPhone for the first time and did the update to iOS 5.1 - all went well except that my Calendar dates are now all duplicated! How do I fix this please?! Thanks

 

[iFrog]

You may want to look if your activated iCloud calendar sync the iCloud is adding that second entry.

Check on settings>iCloud

 

[mwhartman]

I had a similar issue. I moved my Google contacts via Exchange (Setting up Google Sync with your iOS device - Google Mobile Help) what I failed to do was uncheck calendar in step 12.

Hope this is helpful.

Mike