Can the mobile phone be turned on/off normally? Can you answer the phone normally? Generally this situation has nothing to do with the software. Usually, the reason why the screen is not displayed is that there is something wrong with the hardware of the mobile phone, such as poor contact between the cable of the mobile phone and the mobile phone, or the cable of the mobile phone is broken after being used for a long time (a common problem of flip/slide phones). In this case, the screen of the mobile phone will not be displayed or displayed abnormally. Of course, if the mobile phone screen is broken, it may also cause this problem, but it is unlikely that the screen will be broken.

If the screen of the mobile phone is displayed but not lit when it is turned on, it is estimated that it is the backlight of the screen.

I suggest you go to the customer service center to check the specific cause of the failure. If the mobile phone is licensed, it will be repaired free of charge during the warranty period. After the warranty period or in a repair shop outside, it usually takes only about 40 yuan to change the line. Changing the screen depends on the material of the screen. If it is a color LCD screen, it usually costs several hundred yuan. In that case, you have to consider whether it is worth it.

2. What if the mobile phone screen is not displayed?

There are usually only two reasons why the import screen is not displayed. One is that the cable of the mobile phone screen or the screen itself has quality problems. On the other hand, it may also be caused by the wrong operation of the mobile phone program. I'll give you some solutions to this method.

What if the mobile phone screen doesn't display?

Methods/steps

When the screen cannot be displayed normally, it is necessary to confirm whether the mobile phone is still under warranty. If yes, it is recommended to send it directly to the designated repair point of the mobile phone or return it to the factory for repair. Usually, most of these problems are hardware quality problems.

What if the mobile phone screen doesn't display?

When the mobile phone is an expired product, then we can only be a dead horse. If you know something about electronic circuits, you can remove the back cover of the mobile phone, plug and unplug the wires on the screen again, and then try to turn it on to see if you can solve the problem.

What if the mobile phone screen doesn't display?

In the case that the above methods can't solve the problem, it is recommended to brush the machine again. You can go to the relevant forums to download the ROM package that matches the type of mobile phone, and then copy it to the SD card of the mobile phone.

Then enter the phone recovery mode and select "Update from SD".

What if the mobile phone screen doesn't display?

Then locate the ROM program in the SD card of the mobile phone, and execute the machine brushing process. It is recommended to use the official ROM to brush the machine at last to avoid the trouble caused by verifying the signature.

What if the mobile phone screen doesn't display?

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If the main method can't solve the problem, then basically the mobile phone can be declared scrapped.

3. What if the mobile phone desktop cannot be displayed?

Unable to display the desktop. There may be something wrong with the hardware or the mobile phone system.

1, if the phone can be turned on and off normally, it can also answer the phone normally. Generally, this situation has nothing to do with the software.

2. The reason why the screen is usually not displayed is that there is something wrong with the hardware of the mobile phone, such as poor contact between the cable of the mobile phone and the mobile phone. In this case, the screen of the mobile phone will not be displayed or displayed abnormally.

Of course, the broken screen of mobile phone may also cause this problem, but the possibility of broken screen is very small.

4. If the screen of the mobile phone is displayed but not lit when it is turned on, it is estimated that it is a problem with the background light of the screen.

4. Don't display the phone screen

Can the mobile phone be turned on/off normally? Can you answer the phone normally? Generally this situation has nothing to do with the software. Usually, the reason why the screen is not displayed is that there is something wrong with the hardware of the mobile phone, such as poor contact between the cable of the mobile phone and the mobile phone, or the cable of the mobile phone is broken after being used for a long time (a common problem of flip/slide phones). In this case, the screen of the mobile phone will not be displayed or displayed abnormally. Of course, the broken screen of the mobile phone may also cause this problem, but it is unlikely to be broken. If the screen of the mobile phone is displayed but not lit when it is turned on, it is estimated that it is a screen backlight. I suggest you go to the customer service center to check the specific cause of the failure. If the mobile phone is licensed, it will be repaired free of charge during the warranty period. After the warranty period or in the repair shop outside, it usually only takes about 40 yuan to change a line. Changing the screen depends on the material of the screen. If it is a color LCD screen, it usually costs several hundred yuan. In that case, you have to consider whether it is worth it.