Help, there is a touch failure at the bottom of the phone screen

Restart your phone and give it a try!

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

1.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. We recommend that you replace a thinner third-party protective film or go to a Huawei Customer Service Center to replace an official protective film.

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 your screen clean.

3.If your device is in normal use, if you suddenly have no response or freeze when clicking on part or the entire screen, please press the power button and volume up button at the same time to start the screen recording function, and then click the screen operation, if there is a white point on the screen moving with your fingers, it means that the touch screen is working normally.

4.If the screen does not respond, please press and hold the "power button" for more than 10s, and try to force restart the device, and the failure does not recur, then the phenomenon is not a touch screen problem.

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1. Turn off the phone and restart the phone first.

2. It is recommended to check whether there is dirt on the mobile phone screen, whether there is sweat, etc., sometimes these external factors will also affect the touch sensitivity, which can easily lead to the failure or drift of the capacitive touch screen;

3. The second is to check whether there are magnets or something around, because the capacitive touch screen should not be close to something with a strong magnetic field, and if it is too close, the mobile phone touch screen will fail, and it may be damaged if it is serious.

4. In addition to these basic common sense, there are other reasons why the mobile phone does not respond to touch.

There are often two reasons for the failure of the touch screen: one is caused by software failure, you can find the option of touch correction in the phone settings for a trial repair, if not, you can also restore the factory settings or re-install the operating system on the phone to repair, the data is recommended to be backed up first.

If there is no problem with the software, it is a hardware problem, and the touch screen hardware can only be replaced, and it is recommended to go to the after-sales outlets for maintenance.

1. Confirm the ambient temperature.

If the ambient temperature of the mobile phone is too low, it may affect the touch screen effect, it is recommended to keep the mobile phone at 0 35 ambient temperature.

2. Mistakenly turn on the talkback mode in barrier-free.

If you enable the talkback mode, the touch mode will change, and a green frame will be displayed on the screen when touched. You can press and hold the volume up button + down button for 3 seconds at the same time to exit the talkback mode, or double click Settings - double click More Settings - Swipe to Accessibility with two fingers - Double click Accessibility - Double click to close Talkback.

3. One-click acceleration to clear background programs.

If there are too many background programs, or there are abnormal programs in the background that may affect the touch screen effect, it is recommended that you speed up or clean up background programs with one click before trying again.

Note: Please check if it is installed"One-click lock screen"class applications, some third-party"One-click lock screen"The software will conflict with the lock screen that comes with the system, resulting in random jumps, such as jumping to the lock screen, etc., it is recommended to uninstall the third party"One-click lock screen"and other types of software.

4. Whether there is liquid or stain on the finger or screen.

Liquid or stains on your fingers or screen will affect the sensitivity of the touchscreen, so it is recommended to clean it with a clean, dry cloth before trying again.

5. Check the film:

If you use a non-original film, it may affect the touch screen effect, so we recommend that you remove the film or go to the customer service center to reapply the film.

6. Replace the standard charger or data cable.

If you use a charger that does not come as standard, it may affect the phone's touch screen function while charging, so it is recommended that you use the standard charger and cable for charging.

7. Restart your phone

Please restart your phone or force restart your phone to see if it returns to normal.

Force Restart Method:

Models released before September 2017 (models before x20): Press and hold"Power button"More than 12 seconds.

Models released after September 2017 and new models released later (x20 and later): Press and hold at the same time"Power button"+"Volume down key"More than 10 seconds.

NEX 3 NEX 3S: Press and hold the top round button for more than 10 seconds.

8. Upgrade the system version

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

9. Check whether the touch screen is not sensitive to a single software or all software in a fixed area

A single software is not sensitive to touch in this area: it is generally a reason for software incompatibility, it is recommended to go to the app store to upgrade the software, and at the same time feedback to the software customer service.

Samsung phones are generally recommended to do the following:

1.Check if the phone has a film, if there is a suggestion to cancel the screen film and try it.

2.If the touch screen of the mobile phone is completely malfunctioning, it is recommended that you restart the machine and observe it again.

3.Try updating the system version of your phone.

4.If it doesn't work, back up the data in your device (contacts, text messages, **, etc.) and try to restore factory settings.

If the problem persists after the above operation, it is recommended that you bring the machine, purchase invoice, and repair card to the local after-sales service center for testing.

1. There is static electricity on the mobile phone screen.

You 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.

2. Software conflicts or incompatibilities.

You can try pressing the lock screen key back and forth a few more times. In many cases, the phone's touch screen fails because of a slow response caused by software conflicts or incompatibilities, so it is possible to recover by pressing the lock screen button back and forth a few times.

3. There is water on your hands or on the screen of your phone.

Wipe your phone and hands clean of water. Nowadays, most mobile phones support wet water operation, but there are also many mobile phones that will cause the mobile phone operation to fail as long as there are water droplets on the mobile phone screen or the mobile phone has water. If you're not sure if that's the cause, you can wipe your phone's screen clean immediately and see if it's back to normal.

Fourth, the mobile phone is stuck.

Because the mobile phone is stuck, the running memory is too small, etc., the mobile phone screen operation is slow, and it is mistaken for the result of the mobile phone screen failure. At this time, you need to turn off or restart the mobile phone to check whether the mobile phone screen can be used normally.

External force or damage caused by the failure of the mobile phone touch screen, which is generally due to the failure of the mobile phone screen caused by the hardware problem of the mobile phone, in this case, the mobile phone can be sent to repair, try to replace the new mobile phone screen.

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Causes

1. Touch screen failure, sometimes the touch screen failure is caused by excessive dust on the screen. Find a cloth to wipe your glasses to clear your phone's screen.

2. Sometimes the touch screen is invalid and related to the system, please upgrade the system to the latest version. After upgrading to the latest version of the system, the touch screen function will be restored.

3. Sometimes after the mobile phone is wet, use the touch screen immediately This may also cause the screen to fail, so try to keep your hands dry when using the mobile phone.

Classification

According to the material of the screen, the mainstream screens of smartphones can be divided into two categories, one is LCD (abbreviation of Liquid Crystal Display), that is, liquid crystal displays, such as TFT and SLCD screens.

The other is OLED (Organic Light-Emitting Diode), that is, organic light-emitting diodes, such as AMOLED series screens. The most fundamental difference between LCD and OLED is that OLED is self-illuminating, while LCD needs to be illuminated by a backlight plate to display.

According to the display technology driving mode of the screen, it can be divided into two categories: passive matrix and active matrix. The difference between passive matrices and active matrices is the way the current is driven.

When the external current passes, the arrangement of the liquid crystal will change, and after the current stops, if the liquid crystal arrangement remains in place (with memory), it is called the active matrix; Once the current disappears, it returns to its original position and must be charged again to be arranged, which is called a passive matrix.

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 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 your 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.