Not buying an iPad with jelly scroll is also normal behavior as is returning one for a refund.
Right - as the consumer, you get to make the decision if the product fits your needs and/or expectations. Just because it doesn't, doesn't mean it's broken.
BTW - WTF are you still here? ALL of your posts are negative. You seem to hate everything about Apple. You'd probably be a much happier person if you didn't read about Apple... Just sayin'!
Isn't this the same that results from having a rolling shutter? The screen refreshes in "waves" from one side to another doing one row at a time, for example when taking a video (or a photo) of a helicopter the propeller (or a fan, anything moving fast enough) is misshapen.
Yeah, it affects other products too, like Samsung in 2019:
Even in 2017, this one is a different style of bounce (0:37):
If the display refreshes lines from top to bottom in portrait, it will squash and stretch the image when scrolling in portrait and wobble in landscape and vice versa.
It doesn't look as noticeable on all devices though so it must be something to do with how quickly they refresh the pixels and the resolution will affect it having more pixels to update. Two displays can refresh at 60Hz but an individual frame can take a different time to refresh e.g 0.1ms refresh and 3ms refresh can both refresh well within the 16ms 60Hz time but one would lag much more than the other.
Apple buys the displays from LG/Samsung etc so those manufacturers would have to fix it but it doesn't look that bad in real-time.
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BTW - WTF are you still here? ALL of your posts are negative. You seem to hate everything about Apple. You'd probably be a much happier person if you didn't read about Apple... Just sayin'!
Even in 2017, this one is a different style of bounce (0:37):
If the display refreshes lines from top to bottom in portrait, it will squash and stretch the image when scrolling in portrait and wobble in landscape and vice versa.
It doesn't look as noticeable on all devices though so it must be something to do with how quickly they refresh the pixels and the resolution will affect it having more pixels to update. Two displays can refresh at 60Hz but an individual frame can take a different time to refresh e.g 0.1ms refresh and 3ms refresh can both refresh well within the 16ms 60Hz time but one would lag much more than the other.
Apple buys the displays from LG/Samsung etc so those manufacturers would have to fix it but it doesn't look that bad in real-time.