@kugiigi I removed the screen protector and adjusted the Edge drag areas width with the tweak tool. A definite improvement!! Thanks again for the tips.

In the Calendar app I tapped on Add online Calendar and, instead of selecting NextCloud, I selected Generic CalDAV, entered the IP of my local NextCloudPi server and user credentials and it's working now.

@dremelts Indoor works only by luck. We do not have assisted GPS so it fully relies on the satellite visibility.