How do i remove a locked event on my calendar

[AC Question]

I want to remove a locked birthday on my calendar, and i need step by step instructions on how to unlock calendar

 

[anon(238680)]

Welcome to Android Central. It would be helpful to know which device, OS version and app you are using. How was the event locked and by whom?

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[Macushlach]

I also want to delete a locked event. I have a LGLS991 phone. I created the event and it automatically locked. I need to change the date the event is on.