Apple has release another update to its brand new iPhone and iPad operating system, addressing a major security flaw.

The update — called iOS 9.0.2 and now being pushed out to devices — addresses a bug that allowed people to get access to personal information on the phone from the lock screen. By getting around the passcode security system, people could see photos and contacts, without ever actually entering a password.

As well as the lock screen issue, the update also fixes an issue with the mobile data settings, problems with iMessage, and issues with iCloud Backup. It also stops a problem where the phone’s screen would sometimes incorrectly rotate and improves the Podcasts app.

The top five features in Apple's iOS 9