Apple 7p SMS can't be opened. What's with the blank screen of SMS?

Why does Apple 7p get a black screen as soon as it opens the SMS? There may be something wrong with your mobile phone screen. Please check your mobile phone according to the following steps:

If the display screen does not respond, you may need to forcibly restart the device:

IPhone X, iPhone 8 and iPhone 8 Plus: press and then quickly release the volume increase button. Then, press and quickly release the volume down button. Then press and hold the side button until you see the Apple logo.

On iPhone 7 or iPhone 7 Plus: Press and hold the side button and the volume down button at the same time for at least 10 second until you see the Apple logo.

On iPhone 6s and earlier models, iPad or iPod touch: press and hold the home button and the top (or side) button at the same time for at least 10 second until you see the Apple logo.

If the screen shows a black screen or the device cannot be turned on

If the screen displays a black screen or crashes, you may need to forcibly restart the device. Forcing the device to restart will not erase the contents on the device. Even if the screen is black or the button doesn't respond, you can force the device to restart. Please follow the following steps:

IPhone X, iPhone 8 or iPhone 8 Plus: press and then quickly release the volume increase button. Press and then quickly release the volume down button. Then, press and hold the side button until you see the Apple logo.

IPhone 7 or iPhone 7 Plus: Press and hold the side key and the volume down key at the same time for at least 10 second until you see the Apple logo.

IPhone 6s and earlier models, iPad or iPod touch: Press and hold the home button and the top (or side) button at the same time for at least 10 second until you see the Apple logo.

If your device still cannot be turned on or started.

Connect the device to the power supply and charge it for one hour.

After waiting for a few minutes, you should see the charging screen. ?

If you don't see the charging screen within one hour, or you see the "Connect Power" screen, please check the socket, USB cable and power adapter of the device. Ensure that all equipment is firmly connected, free from debris and damage. You might as well try using another USB cable or power adapter.

If your device can be turned on, but it gets stuck during startup.

If you see the Apple logo or a red or blue screen at startup, try the following steps:

Connect the device to your computer, and then open iTunes. If you don't have a computer, please try to borrow one, or go? Get help from the Apple Store or an authorized Apple service provider.

After connecting the device, force the device to restart. ?

IPhone X, iPhone 8 or iPhone 8 Plus: press and then quickly release the volume increase button. Press and then quickly release the volume down button. Then, press and hold the side button until you see the recovery mode screen.

IPhone 7 or iPhone 7 Plus: Press and hold the side key and the volume down key at the same time. Press and hold these two buttons until you see the recovery mode screen.

IPhone 6s and earlier models, iPad or iPod touch: press and hold the home button and the top (or side) button at the same time. Press and hold these two buttons until you see the recovery mode screen.

Don't let go of the button when you see the Apple logo. Press and hold these two buttons until you see the recovery mode screen.

When you see the restore or update options, select Update. ITunes will try to reinstall iOS, but it won't erase your data.

ITunes will download software for your device. If the download time exceeds 15 minutes, the device will exit the recovery mode, and you need to repeat steps 2 and 3.