It indicates an expandable section or menu, or sometimes previous / next navigation options ... it'll last even longer than a typical iPhone release before showing signs of slowing down.
The entry-level iPhone 15 kicks off at $799, with the Plus model stepping up to $899. For those eyeing the Pro models, the starting price is $999, and the Pro Max begins at $1,099. The next major ...
Apple has used all OLED technology for flagship iPhones since the iPhone 12, in fact, and it looks like the next-generation iPhone SE will also use OLED technology rather than LCD.