We have seen a lot of rumors pertaining to iPhone 5S release, but as yet Apple has not confirmed when exactly iPhone 5S
release is taking place. We can’t expect it to do so before it starts
sending out invites to the media for the actual unveiling event. It is
now widely believed that iPhone 5S will be released in September. Many
reports suggest that due to production issues, it is possible that the
launch may be pushed in to October. So there’s no correct way to
ascertain right now how long it would take after the unveiling for iPhone 5S release in the market.