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To get your TECNO touch screen working again, turn off the screen and try cleaning the sensor (upper part of the screen) by clean soft cloth.

However, it may also lead to a phone touch screen not working if something is blocking it - probably dust or pocket lint. The sensor is located near the front camera, and it performs its job for turning off the screen upon contact to an opaque object during calls. One of the causes of an irresponsive touch screen is a malfunctioning proximity sensor. To help you get rid of this frustrating situation, we've prepared some of the common causes of a malfunctioning touch screen and trusted solutions to fix TECNO phone touch screen not working or responsive

But just like any of the smartphone components, the touch screen is also prone to malfunctioning, and it can be very frustrating when the phone touch screen is not working.