According to release notes accompanying the 18.2MB download, this update contains the following improvements and bug fixes:
• Fixes a bug that could allow someone to bypass the passcode and access the Phone app
• Improvements to Maps in Japan
So in case you have been facing any problem with your iPhone or with the above issues, you can update to this new version from your device by going to General—> Software Update and download it from their.
Per PlanetBeing, iOS 6.1.3 might fix some of the vulnerabilities needed to make the latest Evasi0n jailbreak work so you should hold off updating your jailbroken devices for now. We’ll keep you posted once we find out more. Now here’s the download links after the jump:
- iPhone 5 GSM
- iPhone 5 CDMA
- iPhone 4S
- iPhone 4 GSM
- iPhone 4 CDMA
- iPhone 3GS
- iPad mini (GSM, CDMA, Wi-Fi)
- iPad 4th-generation (GSM, CDMA, Wi-Fi)
- iPad 3rd-generation (GSM, CDMA, Wi-Fi)
- iPad 2 (GSM, CDMA, Wi-Fi)
- iPod touch 4th-generation
- iPod touch 5th-generation