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N8: touchscreen reactivedess drops when not in han...

Professor
Posts: 475

N8: touchscreen reactivedess drops when not in hand

Today I noticed that when my N8 is lying on the table and I don't touch-hold it, the touchscreen sensibility is unconfortable, as I have to press harder and keep the finger longer to get a reaction. As soon as  I simply touch with the other hand the device,  or I keep it in the hand, the reactiveness recovers as for magic. It's odd, isn't it?

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Mobile Overlord
aspergerguy
Posts: 10,000

Re: N8: touchscreen reactivedess drops when not in hand

Could it be by design to prevent accidental reaction when un-attended but unlocked?

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Sage
bumblebirra
Posts: 295

Re: N8: touchscreen reactivedess drops when not in hand

My C7 appears to lose some touchscreen sensitivity when it's plugged into the mains charger. Capacitive touchscreens entail sensing the capacitive virtual ground effect of a finger or the capacitance between sensors on the surface. Power supply units can influence the virtual ground effect, as can touching the metallic parts of these phones. So I think this is probably all related to these electrical characteristics that can change slightly during normal operation of the phone.
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Professor
Posts: 475

Re: N8: touchscreen reactivedess drops when not in hand

On the contrary, my N8 when plugged to the charger recovers it's sensitivity even if  not held in hand. Furthermore, you have not no touch it to make the touchscreen work. It's enough for the hand or another part of the body just to be very close. Es, if laid in a leg with trousers, it works as well. Or even if held in hand inside a rubber protector. Mah...

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Mobile Sensei
chanchan05
Posts: 8,090

Re: N8: touchscreen reactivedess drops when not in hand

I think your N8 is having static electricity or magnetic issues. XD.
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Sage
bumblebirra
Posts: 295

Re: N8: touchscreen reactivedess drops when not in hand

Yes, some kind of electrostatic effect is probably behind it. It's amazing how well these things really do work though, the feel of quality where you are touching a solid piece of glass instead of a plastic film such as those on resistive screens.
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Mobile Sensei
chanchan05
Posts: 8,090

Re: N8: touchscreen reactivedess drops when not in hand

capacitive screens are meant to be glass so as they can be better conductors, while resistive screens need to be plastic so that they can bend under pressure.
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