Rumors about the iPhone Ultra are readily available and offer a strong consensus on what’s coming in Apple’s foldable model. But as I’ve been weighing my own upgrade decision this year, there’s one big question that likely won’t be resolved until September: will the new form factor make the trade-offs of the Ultra worth it? Will iPhone Ultra’s form factor be compelling enough to overcome its trade-offs? Now that iPhone Ultra is just a few months away , I’ve been weighing my upgrade decision this year. And no matter how many specs, features, and other product details I learn, I’m still not fully convinced it’s the right model for me. The biggest unknown involves the form factor itself, and whether the Ultra’s trade-offs will be worth it. It’s a question that’s prompted by leaks that show a very unique design coming with iPhone Ultra. Its outer display will be significantly shorter and wider than we’re used to on the iPhone. And its inner display will feel more like an iPad.…