You can set that only in tablet xperia z under setting /display.  No such feature on the phone

Update on my SOT : started at 96% n now  reach 77% battery usage n recorded 5.25 hours.  So projected phone can hit 6.8 hours at 100% usage

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Quite similar to Note 2 - this again depends a lot on what you do with the phone
This phone standby mode ( due to its stamina mode) outclass the Note 2 and all other phones I have used to date ( except Xperia Z)
I can also easily achieved 6-7 hours SOT on the Note

Why not ?? Again my needs are different from yours
I always have no issues handling a big size phone . Since Note 2 ( 5.5), I have progressed to Pantech Vega No6 ( 5.9 inch), Mega 6.3 ( 6.3 inch), Mate ( 6.1 inch)
My phone fits very well into my pants side pockets. I can even put in a Galaxy Tab 7.7 inside but not an ipad mini

I agree on that, I don't have or try the Xperia Z Ultra yet.

But I can 100% confirm as well Mega 6.3 can fit nicely in my jeans even when I seat on. I purposely try my friend Mega 6.3 yesterday and it fit nicely without issue.

Sorry : " How about making/answering calls?" - I find this a funny question ????
Just take out and swipe to take calls and use keypad to type in numbers or choose contact - what is the issue you are facing ??? If you are thinking of using one hand - than I will say is not advisable. This is meant to be use with 2 hands !! Even iphone 5 I use with 2 hands never single handed

That was my request and thanks for fulfilling it.

I must say you have more dark hair at 58 than me at 42.  What's your secret? Hehe

Ok, I must say, it doesn't look socially acceptable to hold that mammoth to your ear.  Dunno if its just me, but it looks kinda outrageous.  Looks like have to get the SBH 52 headset along with it

it was one of the promo video when it launch mar..

Finally can having fun with Xperia Z Ultra.

Ya, it is awesome and screen much better than tablet Z.
I rate 10 star out of 10 for Xperia Z Ultra screen panel.

8 star for Xperia Tablet Z

5 star for Xperia Z.

Ya, both phone I also try before and weight wise both is similar to me. Even though Z Ultra is much longer in dimension but thanks to it slimmest design, I find it much comfortable when putting in my jeans front pocket.