Apple's new iPhone is set to be unveiled this week.
Apple is holding an event Tuesday at the Steve Jobs Theater on its Apple Park campus, where it's expected to make several announcements about coming products — the biggest of which is likely to be the debut of three new iPhones.
Apple is launching its new iPhone — as it has done every September since 2012 — at a time when the smartphone market has been in decline for seven consecutive quarters. With iPhone sales dwindling, the Cupertino, California-based...