That's really weird, I have no clue why that's happening...one for Apple to explain. What you've said about using your body as an earth has some definite merit to it, but if I remember correctly, Apple doesn't use earth pins, it uses an isolating transformer, which would mean that plugging the phone in shouldn't make any difference. I'm not claiming to be an authority on this subject and would be delighted to be corrected.
We now believe MediaDevil Ultra-Tough screen protectors are likely conducting the electrical charge (from your finger or Apple Pencil 2) better than other screen protectors, which is making up for the apparent deficiency in the iPad screen. One of the ingredients in this new material is known for its conductive abilities, amongst other things. We added a small amount to the material mix, to help us with the further R&D of a new product we hope to launch later in 2019 (it's really difficult to properly sample materials like this unless you mass produce). We knew it would probably improve certain traits of the screen protector, and that was/is due to be determined in the new year. Greater conductivity wasn't something we'd even considered as an objective (you kinda assume modern device screens will just 'work'!), so if that's it's the reason these screen protectors are working better, that's pretty unexpected and cool![]()
Thanks for the reply. It could be something else (I'm sure you know more about this than I do), but the way it behaves anyway, seems to be that it works when it's 'grounded' (or something else is happening at the same time that makes me think that way). Other than that I have no idea. Maybe it has to do with static electricity? I don't know enough about how exactly the touch functionality works, but I know enough now that I can turn the touch sensitivity on/off with 100% consistency by either touching/holding the iPad, or plugging it into the wall charger.
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