Originally Posted by hansip87
The improvement might be too minimal i guess. It is like they already reached the maximum size for a phone. Bigger than that it's a tablet. The only improvement they can do might be related to the camera but that's it. Maybe lower power ips screen will be nice to have (I'm not sure if the z ultra screen is really ips, because at some angle, the loss of contrast is still there but still far better than Z1, plus sony never mention ips about z ultra screen, only starting from Z1C) and negligible performance gain with newer soc. Other than that, the Z Ultra is still very much adequate for my needs.
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They can't or won't make it any bigger. Just check out the Z2 and you'll see that they have made the bezel a little smaller, so they'll probably continue with that. They can also not make it any thinner without either removing the minijack or making a bump on the back, which will ruin their Omni Balance design, so that won't happen either. The Ultra does have an IPS panel, but the "loss of contrast" is actually light from the LEDs. I guess they can do something about that though.
So i guess the Ultra 2 will be just as thin, and probably just as big with a better display (like the one on the Z2), and probably a Snapdragon 801 or 805, and that's pretty much it, i guess?