Sure as night follows day, the iPhone 15 will follow the iPhone 14. Apple has been treating us to a new model reliably every year and the iconic phone series is the company's biggest profit center, so we're confident this year will be the same.
Apple don't share a lot of information in advance, but as a big company that has an enormous impact a lot of other sources seem to share info. Apple has to share case specifications in advance, and details with manufacturing partners, for example. Things always get out, and we're listening.
