Apple's upcoming iPhone 15 Pro will be unveiled at a special event next month, that's rumored to be happening on September 12. The date itself should become official next week. Unlike its predecessor, which used stainless steel for the frame, the iPhone 15 Pro (and the Pro Max alongside it) are rumored to swap that for a titanium frame. This apparently influences the colorways that the company can offer, and thus gold and purple will be out, to be replaced by Titan Gray and a dark blue, respectively. The image below is a render of what the new Titan Gray hue is expected to look...
Source: https://www.gsmarena.com/this_is_the_iphone_15_pro_in_titan_gray_the_colorway_that_will_replace_gold-news-59661.php
