If it persists: Settings → General → Transfer or Reset → Reset → Reset All Settings. If persistent, Settings → General → Transfer or Reset → Reset → Reset All Settings. Reset location settings: Settings → General → Transfer or Reset → Reset → Reset Location & Privacy. If it happens system-wide, reset all settings: Settings → General → Transfer or Reset → Reset → Reset All Settings. Downgrade to iOS 18 (read before you try)Rolling back from iOS 26 to iOS 18.x won’t restore a backup made on 26; backups aren’t backward-compatible.