iPhone Ringtone Changed by Itself? Six Reasons
Two unrelated problems share one symptom.
Silent Mode Missing From the Action Button on iOS 26?
Reported on some iPhone 15 Pro and 16 Pro units from September 2025.
iPhone VPN Turns Itself Back On? Six Things Do It
Connect On Demand, an app-side auto-connect, or a profile left behind by a VPN you deleted months ago.
iMessage Keeps Signing You Out on iOS 26? What We Know
Reported since September 2025 and still unresolved.
iPhone Won’t Let You Turn the Passcode Off? Six Causes
Switching Face ID or Touch ID off is not enough.
iPhone Not Autofilling Verification Codes? Six Causes
Apple says the code has to be detected in Messages, and a service that texts you a code fits Apple own definition of an unknown sender.
iPhone Keeps Switching to Dark Mode? Six Switches Do It
Turning off Automatic in Display and Brightness leaves a second automatic schedule running behind your Home Screen icons.
iPhone Not Capitalizing the First Letter? Six Causes
Apple says Auto-Capitalization works in an app that supports it, which is why capitals appear in Messages and nowhere else.
iPhone Notifications Arriving Late on iOS 26? Seven Fixes
Apple says a Focus delays delivery rather than silencing it, and iOS 26 added two more switches that sit between an alert and your screen.
iPhone Auto-Lock Greyed Out? Start With the Battery
Apple lists Auto-Lock as one of the things Low Power Mode takes over, and on newer iPhones the mode can switch itself on at 20 percent.
