After update my calendar messed up. I rebooted. I updated theme. Did everything and norhing works.

[Android Central Question]

Update messed up my calendar. I changed theme and rebooted. Nothing works. How did you guys change the theme?

 

[B. Diddy]

Welcome to Android Central! I assume you're talking about a Samsung phone with the Pie update. You might have to try different themes until text becomes visible.