How to solve the black screen of iPhone

1. Enter Apple’s DFU mode
1. The DFU mode is a mode that solves the problem of the Apple system that cannot be turned on, and entering the recovery mode can be restored with iTunes. However, if the phone is okay, and the DFU mode is entered by mistake, the failure to turn on is regarded as a phone failure. If this is the case The resulting black screen is easy to solve.

2. You only need to hold down the power button and the Home button at the same time to wait for the iPhone to react. It is usually 10 seconds. If there is no response for tens of seconds, you need to use DFU mode to solve it. Don’t worry, this is the same as the third situation. The solution is the same

Second, the black screen caused by the quality of the iPhone itself
This kind of black screen can be attributed to unstable automatic shutdown, because the quality of the phone itself is not good, which causes it to shut down for no reason. Because the hardware does not have a big problem, so just hold down the power button and wait for it to turn on.

3. Unable to start caused by Apple system
1. If the black screen is caused by the system, you can enter the DFU mode to update the system again. How to enter? First, install iTunes on the computer and download the latest iOS system. Of course, the computer can be connected to the Internet during the restoration process, and it can also be downloaded online, Wait a long time.

2. Then connect the black screen mobile phone to the computer with a USB cable, press and hold the power button and the HOME button at the same time for 10 seconds, and then release the power button in the tenth second (be sure to keep pressing the HOME button, the screen will appear connected icon or black screen It doesn’t matter, iTunes will respond to the recognition machine.
3. Then press the shift key on the keyboard and choose to restore your phone with iTunes. After the prompt is completed, the boot should be resolved.

There are many reasons for the black screen of the iPhone. In addition to the above list, there may be other factors, but the most serious is the firmware damage. If there is a software problem, you can still solve it by yourself, but the firmware damage must be repaired of.