When an iPhone suddenly refuses to install a new app or take another photo, the culprit is often a mysterious bar in Settings ...
From essential first steps to pro-level tweaks, these are the things I do first every time I set up a new iPhone.
Open the Settings app on your iPhone. Go to Privacy & Security. Open the Settings app on your iPhone. Tap Tracking and toggle off Allow apps to request to track. Head to Privacy & Security. Open the ...