Learn how to fix iPhone 16 Pro Max black screen of death, or iPhone 16 Pro Max that won't turn on. There are 3 reasons why iPhone 16 Pro Max won't turn on. Either it's a software glitch, the charging port, or the display/battery cable has unplugged from the iPhone. In this tutorial I will walkthrough all scenarios so that your iPhone 16 Pro Max will turn on again and the black screen issue will be solved.