The phone can t touch the screen after the screen is locked, why can t the phone touch the screen?

Here are a few ways to try:

1. In case of mobile phone screen failure, you first need to clean the mobile phone screen, and the static electricity of the mobile phone screen may also cause the touch screen to fail, so you only need to gently wipe the entire screen with your hands. Or you can try to remove the protective film to clean the screen.

2. You can also try to press the lock screen button back and forth a few more times. In many cases, the screen failure of smart touch screen phones is due to slow response caused by software conflicts or incompatibility, so it is possible to recover by pressing the lock screen button back and forth a few times.

3. There is also a situation that is encountered by friends who often use beautification, this situation may be caused by the incompatibility of various beautification software and the system, and the solution is also very simple, generally uninstalling beautification software similar to the theme can be solved.

4. For more serious situations, you can try by shutting down the phone, and then waiting for a few minutes before turning it on. Or remove all the memory cards and ** cards of the mobile phone, wait for a few minutes and then install them before trying.

5. If there is no way to troubleshoot through the above, then you have to restore to the factory settings. First, use a PC suite to back up the contents on your phone. Before paying attention to the soft grid, take out the memory card first, otherwise it will be formatted together, and the contents of the card will be completely deleted.

If this persists, try flashing your device again.

6. If the above methods cannot solve the smart touch screen mobile phone, it is the mobile phone screen damage, and you can only replace it with a new mobile phone screen.

Smart touch screen mobile phones are very convenient to use and more high-end, but it is inevitable to encounter screen failures, so you should be more careful when using smart touch screen mobile phones, and install software more carefully, so as to enjoy the convenience brought by mobile phones.

1. Press the "power off button" of the phone to restart the phone. For the lock screen software, it will generally set itself to not move when it is turned on, and the advantage of this is to prevent the user from forgetting the pattern and not being able to open the screen. After restarting your phone, go to the lock screen app interface and reset the icon or password.

Or go to the main interface of your phone and follow the steps below to clear the lock screen password.

What to do if you forgot your phone lock screen password Lock screen password cracking method.

It should be that the cable end of the motherboard connecting to the screen is loose. You can unload it and tighten it tightly.

If you are using a Huawei phone.

If the touch screen fails on your phone, you can troubleshoot it by following the steps below:

1.If the ambient temperature of your phone is too low, the touch screen may malfunction, which is affected by the physical characteristics of the screen device itself, it is recommended that you try to keep the phone at an ambient temperature of 0 -35.

2.If your phone's screen is dirty or has water stains, it may affect the screen touch sensitivity. It is recommended that you try it after wiping the screen clean;

3.If the screen has a film, it may be due to the protective film being too thick, which affects the touch sensitivity of the screen. It is recommended that you replace the thinner third-party protective film or go to Huawei Customer Service to replace the official protective film.

4.If your phone is in normal use, the whole screen suddenly clicks unresponsive, please press the power button and the volume up button at the same time to start the screen recording function, and then click the phone operation, if there is a white circle on the screen to click the sliding position, it means that the touch screen of the phone is working normally;

If the screen recording function is not enabled, please press and hold the "Power Button" for more than 10 seconds to force the phone to restart, and the failure does not recur, then the problem is not touchscreen.

There is a risk of data loss at the time of detection.

Make an appointment for service. Boarding service.

Repair spare parts** inquiry.

When the mobile phone screen fails, first we need to clean the screen of the mobile phone, static electricity may also cause the mobile phone screen, at this time, the touch screen failure only needs to gently wipe the entire screen with your hands. Or you can try removing the protective film to clean the screen. We can also try to press the lock button back and forth a few times after finding that the phone's touch screen has failed.

For more serious cases, you can turn it off and wait a few minutes before starting to get back into the old one. Drop the ruler or remove the memory card and ** card of the mobile phone, and wait a few minutes to try again.

If there is no way to fix this, then you have to go back to the factory settings. Back up the contents of your PC suite. Pay attention to the soft grid, first delete the memory card, otherwise, the contents of the card will be completely erased!

If the situation persists, try charging it. After the machine, if this situation persists, it is a hardware failure group and then you need to go to the after-sales service, or go back to the factory for repair.

1. Try to restart the phone to see if there is any recovery;

2. Whether you use a third-party mobile phone protective film, and observe and use it after removing it;

3. The new version improves compatibility and stability, and can be viewed by upgrading the system;

If the above methods are invalid after operation, you can enter the vivo official website vivo**app--my--**customer service or vivo official website web version--scroll down to the bottom --**customer service--enter the manual customer service to enter the consultation and understanding.

Do you try to shut it down, and see if it can be normal after shutting down? If it can be normal, there is no problem, it means that it is a program card, if it is shut down, and then reboot is still like this, then you had better take it to someone else's maintenance point, and let the master help you take a look.

What brand of mobile phone, it may be stuck, you can try to force it to shut down, and then turn it on.

The phone won't lock the screen (take the Redmi 7A as an example) is a security setting issue, and the solution is as follows:

1. Open your phone's settings.

2. Click on the security item in it.

3. In the security inside, there is an unlock style, as shown below, click on it directly.

4. After clicking on it, flip the screen to the bottom, find the delete credential, and click on it.

5. At this time, a prompt will pop up, telling them that all content will be deleted, and after weighing the risks, click on demand. If you don't click OK, you can't delete it.

6. After clicking OK, then the delete credential and delete certificate below will become gray, indicating that the credential store has been deleted.

7. Now, back to the selection of the unlock style, you will find that the original gray unavailable unlock screen and the following items have become clickable, at this time, if you want to lock the screen, just click on the unlock screen.

Here's how to set it up:

1. Open the settings of your iPhone and tap Notifications;

2. In the notification, click SMS;

3. After entering the SMS settings page, the SMS content will be displayed when the button behind the lock screen is turned off to cancel the lock screen.

Then it is recommended that you try a factory reset.

If it is caused by unclean hands or slow response of mobile phone programs, wipe your hands and restart the mobile phone before trying again, if it doesn't work, it is a problem with the mobile phone.

Here's how to fix the phone's touch screen failure:

1. If the touch control of the mobile phone screen fails, the user can try to press and hold the power button or buckle the battery, try to force the mobile phone to turn off, and then restart it to try;

2. If the screen touch cannot be restored to normal, it is recommended that the user bring the mobile phone, invoice, and warranty card to the local brand customer service for testing;

3. The mobile phone is sent to the customer service, and the engineer will detect the mobile phone to find out the cause of the failure, and will inform the user;

4. If the mobile phone is in the spine of the potato car and it is faulty, the after-sales service is responsible for the warranty. If it is out of warranty or caused by a man-made fault, then you can only pay for repairs.

If you are using a Huawei phone and the touch screen is partially out of order, you can troubleshoot it by following the steps below:

1.If the ambient temperature of your mobile phone is too low, the touch screen may malfunction, which is affected by the physical characteristics of the screen device itself, and it is recommended that you try to keep the mobile phone at an ambient temperature of 0 -35.

2.If the problem persists, we recommend that you bring your phone to a Huawei Customer Service Center with your proof of purchase.

If you haven't backed up your data before, you're at risk of data loss when you detect it.