iPhone 16 — expected to debut in the second half of 2024 as the successor to the iPhone 15 series of smartphones — could be equipped with Apple’s new Action Button. While the company equipped the iPhone 15 Pro and iPhone 15 Pro Max with the new button designed to replace mute switch, a new report states that the company is planning on equipping all four models in the lineup with the customisable button, which is expected to arrive in a…