Buzz
During usage, some iPhone 8/8Plus may encounter a black screen. What causes this situation, and how to fix it?
The iPhone 8/8Plus screen goes black while in use.1. iPhone 8/8Plus is in DFU mode (Device Firmware Upgrade)
DFU mode - What is device firmware upgrade? This is a mode that puts Apple devices in a state that requires software restoration. After restoring in DFU mode, the device will operate more smoothly, with fewer errors and clean up unnecessary files, avoiding situations where the iPhone 8/8Plus screen is off. This issue can be identified when the iPhone 8/8Plus doesn't display anything on the screen but can still receive calls, and incoming calls still receive notifications without a visible screen.
Troubleshooting: Connect the device that needs restoring to the computer using a cable - set up and connect iTunes for the laptop, turn off the phone. Then, continue holding the buttons even when the Apple logo appears to put the device in Recovery mode. iTunes will display a message that the iPhone needs an update, click Update, and the computer will download new firmware for the device. If it takes more than 15 minutes, the device may ask you to restore again.
2. Running too many applications on iPhone 8/8Plus
After usage, not closing apps, but letting many apps run in the background, causing conflicts between apps. The iPhone 8/8Plus turns off the screen as an indication that the phone is overloaded. The quickest way is to restart the phone.
Troubleshooting: Press and hold the volume buttons simultaneously with the side button until the screen displays the Apple logo.
3. iPhone 8/8Plus battery is depleted
Incorrect charging or prolonged use of a low-quality charger can cause the battery to deteriorate, and the battery loses its ability to charge, leading to unstable power supply to the device. iPhone 8/8Plus screen goes black to indicate the device is always in an energy-deprived state and cannot be used, which is self-evident.
Solution: Once the battery is depleted, it cannot be used anymore. The only way is to find and purchase a new battery.
4. Hardware issues on iPhone 8/8Plus
The screen blackout issue on iPhone 8/8Plus is rare but not impossible. It could be a manufacturing defect that only becomes apparent during usage. If your device is still under warranty, take it to an Apple center for a replacement of the hardware. If the warranty has expired, it's advisable to visit a service center to diagnose and repair if necessary.
Hoping that with the information provided, you have found the best solution for the issue of the iPhone 8/8Plus screen depletion.
