Turn Auto-Update off - at least you'll have the opportunity to read what the planned update is going to do before you commit - and more importantly, research if there are any bugs or privacy concerns!
If you are concerned about privacy then here's a new phone supplier that might be of interest:
WHY /e/OSWHAT IS /e/OSWHO IS /e/OS FOR HOW IS /e/OS DIFFERENT WHAT WE STAND FORTHE E FOUNDATION Why /e/OS? Over the last ten years, mobile phone evolution has made them our daily companions, within reach at all times. But they have also quietly transformed into surveillance devices, sharing our...