touch screen work with any kind of touches

[Vjapn]

hey my xa1 plus G3412 responds with any kind of touchte, like: earphones touches the screen it responds , several times during call it turns on speakers or even end the calls, is it normLn? 

[Qatrium]

@Vjapn

Yes, headphones wire will carry charges that will activate touches on the screen.

[Vjapn]

but this was not with my xperia z1 or z5 not even in xa dual, i think it's due to black earphones out of the box