Samsung A15 touch problem

[Rushi7i6]

After service centre updated my phone it's also have auto touch problem I request to Samsung help help me to reach out

[cs_member10]

Dear Samsung Member,

Greetings from Samsung Customer Support!

As per your concern, we would request you kindly perform the following steps to resolve your issue.

Remove the screen protectors and cover from the device once and check the issue after restarting the device.

Press the power and volume down keys simultaneously for a few seconds.

Check space availability: Settings > Device Care >Storage.

Clear app cache through Device care:
Settings > Device care > Storage > CLEAN NOW.
Note: To delete files or uninstall apps you no longer use, select a category under USER DATA. Then, tick items to select and tap DELETE or UNINSTALL.

Reset the device Settings: Settings > General Management > Reset settings>Reset all settings to their default.

You can reset your device by following the steps from the below link.
https://www.samsung.com/in/support/mobile-devices/samsung-galaxy-mobile-how-to-perform-a-factory-res...

In case the issue still occurs, please visit the service center for a physical inspection of your device. You can locate your nearest service center with this given link: https://www.samsung.com/in/support/service-center/

Warm Regards,
Samsung Customer Support