Apple has experimented a fair bit with the iPad line over the years, culminating with the new design and powerful internals on the pair of 2018 Pro models - iPad Pro 12.9 (2018) and iPad Pro 11. However, Apple's official store still carries the older iPad Pro 10.5 (2017) as well as the iPad 9.7 (2018), with a slightly older chipset and a lower price tag. Weirdly still, there is also an iPad Mini 4 still in official sales and circulation, dating all the way back to 2015, with even older internals. Now, as per a few references, discovered by a known iOS tinkerer inside Apple's latest iOS...