Over time, the touchscreen of a smartphone may lose precision, i.e. not respond correctly to the touch of your fingers. This can happen on every device and usually depends on a hardware problem. On Android smartphones, though, it's worth trying to see if calibrating the touchscreen can solve this type of problem . Modern smartphone screens rarely require configuration or calibration and in case there are touchscreen errors, these are usually caused by hardware problems that cannot be solved without repair.
With that said, there are cases where calibration can be helpful . For example, it can be used to adjust the sensitivity of the touchscreen, especially if there is something like a protective film that changes its performance. On older smartphones, then, calibration can be decisive in improving the situation and making the phone more responsive to touches.
READ ALSO: App for testing and hardware verification on Android smartphones
In Android versions prior to the current one, secret menus and developer options could be used that allowed you to test and calibrate your phone screen. We had talked about this in the list of Android secret codes to open hidden menus, among which there is also the touchscreen test. Then try typing on the telephone keypad the code * # * # 2664 # * # * and see if the test tool appears.
On modern Android smartphones these secret menus are disabled, but it is still possible to find some apps to test the touchscreen in the Google Play Store. In essence they do nothing but show on the screen a visible response to each touch with the finger, providing a survey on the operation of the screen, whether it is calibrated correctly or not.
Touch Screen Test is a good screen test application, simple to use, only to install and start. By touching the screen, white dots will appear where your fingers are pressed. If the responses are delayed or not synchronized, there may be a problem with the screen that the calibration could solve.
A good app to try is Touchscreen Calibration, for free. Once the app is open, just press the button in the center to start calibrating the touchscreen. There are six tests to be completed, following the instructions on the screen and performing operations such as single touch or pinch. Upon completion of the test, a confirmation message will be displayed. Then restart your phone and use the Touch Screen Test app again to see if there are any improvements. If not, you can perform a factory reset of Android (in the system settings) and see if this solves the problem (there are no guarantees that it will).
If the touchscreen still does not work properly after the calibration, there may be hardware problems and depending on the convenience you can decide whether to send it for repair or to change the mobile phone.
Finally, keep in mind that if the problem with the touchscreen of the screen is a delay in the execution of the commands (for example, you touch an app and it does not open immediately), this could be caused by a lack of available memory, which a recovery could solve (but as seen there are also other ways to free up RAM on Android).
Obviously do not forget to clean the smartphone screen in the correct way, since even dirt can ruin the performance of the touchscreen.
LEGIG ALSO: Android with broken screen, how to use it or recover data
With that said, there are cases where calibration can be helpful . For example, it can be used to adjust the sensitivity of the touchscreen, especially if there is something like a protective film that changes its performance. On older smartphones, then, calibration can be decisive in improving the situation and making the phone more responsive to touches.
READ ALSO: App for testing and hardware verification on Android smartphones
Screen test
Before you start with the calibration, you need to see if the smartphone touchscreen is fully functional .In Android versions prior to the current one, secret menus and developer options could be used that allowed you to test and calibrate your phone screen. We had talked about this in the list of Android secret codes to open hidden menus, among which there is also the touchscreen test. Then try typing on the telephone keypad the code * # * # 2664 # * # * and see if the test tool appears.
On modern Android smartphones these secret menus are disabled, but it is still possible to find some apps to test the touchscreen in the Google Play Store. In essence they do nothing but show on the screen a visible response to each touch with the finger, providing a survey on the operation of the screen, whether it is calibrated correctly or not.
Touch Screen Test is a good screen test application, simple to use, only to install and start. By touching the screen, white dots will appear where your fingers are pressed. If the responses are delayed or not synchronized, there may be a problem with the screen that the calibration could solve.
Touchscreen calibration
Since there is no internal calibration tool in Android (since the secret menus are no longer there in the new versions), if there are delays or inaccuracies in the touchscreen, you can calibrate the screen with an application that can be downloaded from Google Play Store.A good app to try is Touchscreen Calibration, for free. Once the app is open, just press the button in the center to start calibrating the touchscreen. There are six tests to be completed, following the instructions on the screen and performing operations such as single touch or pinch. Upon completion of the test, a confirmation message will be displayed. Then restart your phone and use the Touch Screen Test app again to see if there are any improvements. If not, you can perform a factory reset of Android (in the system settings) and see if this solves the problem (there are no guarantees that it will).
If the touchscreen still does not work properly after the calibration, there may be hardware problems and depending on the convenience you can decide whether to send it for repair or to change the mobile phone.
Finally, keep in mind that if the problem with the touchscreen of the screen is a delay in the execution of the commands (for example, you touch an app and it does not open immediately), this could be caused by a lack of available memory, which a recovery could solve (but as seen there are also other ways to free up RAM on Android).
Obviously do not forget to clean the smartphone screen in the correct way, since even dirt can ruin the performance of the touchscreen.
LEGIG ALSO: Android with broken screen, how to use it or recover data
