Apple today released iOS 6.1.3 to the public, delivering several minor enhancements including a fix for a passcode security bug.This update contains improvements and other bug fixes including: - Fixes a bug that could allow someone to bypass the passcode and access the Phone app - Improvements to Maps in Japan Apple last week quietly delivered some server-side improvements to Maps for Japanese users, but it appears that iOS 6.1.3 also builds in some updates for these users.