The Red Screen of Death on an iPhone 6 or 7 is an error with a capital T, and it has been something iPhone users have not wanted to see, especially with a new iPhone. The Red Screen of Death occurs for a variety of reasons, sometimes it’s hardware related, sometimes software.
It can be that there’s a hardware fault. Now of course Apple will rarely talk about it being a manufacturing fault, but if it’s a new iPhone then that’s pretty much what it is. The battery is the main culprit here, apparently, and if this turns out to be the case you should be able to get a replacement iPhone quite easily via an Apple store.
But it can also be caused by a software fault, and if that's true that's something you should check before you go to the trouble of going to a store and getting a replacement. Here we list the top 3 ways for you to fix Red Screen of Death on iPhone iPhone X/8/7/SE/6s/6/5s/5/4s
Download and reinstall Tenorshare ReiBoot Pro on your computer and connect your iPhone to that computer with an USB cable.
After the repair process, your iPhone will automatically reboot to normal. It's that easy to use. You already fixed the Red Screen of Death on your iPhone . It's like a lifeboat for your phone!