Now that you've backed up your iPhone, you can erase it. Go to Settings > General > Transfer or Reset iPhone. Select "Erase All Content and Settings" at the bottom of the screen. Tap Continue and ...

If you’ve noticed a large System Data section in your iPhone storage, you’re not alone. It includes cached files, temporary ...

You may see an alert from Apple on your iPhone warning your device is at risk or has been infected with a virus or malware.