If your iPhone is showing a black screen, there are a few possible causes. It could be a hardware problem, a software problem, or a charging issue. To find out which one is causing the problem, try restoring your iPhone from a backup. It might also be a result of a newly installed or out-of-date software. The easiest way to fix the iPhone black screen is to restore it back to its factory settings.
If you've tried all possible solutions and still haven't gotten your phone back to normal, the problem could be a hardware issue. Hardware issues are usually caused by major system issues or damage to the device's hardware. In these cases, you'll need to contact an Apple store or a technician to have the screen replaced. In the latter case, you'll need to have a new iPhone screen installed.
If the issue is software-related, however, it's not necessary to buy a new one.
If the iPhone is not recognized by your computer, you can
restore it from a computer running the latest version of iTunes. To restore an iPhone from this mode, hold the volume down and Lock buttons simultaneously until the screen goes black. Release the buttons when the screen is black. Afterwards, you should wait 5 seconds before releasing the buttons. This process is called
"recovery mode" and should be performed only once in a while.
Hardware failures are also a cause of
iPhone black screens. If you've noticed that your iPhone is not starting, it could be a software problem. If this is the case, you should try removing the app causing the black screen of death. However, if you've tried to remove and replace it, you'll likely damage the device. Nonetheless, it's important to remember that the problem is unlikely to be software-related.