Good day, Xperia Support Team
I have used my new Xperia Z (Model : C6603) for a couple of week and found some seriouly problems.
First BUG, crashing app (This is very super extra huge important for me.)
It happen to Gmail App and Mail App, when I tried to open some of my emails.
It just bounce back to home screen (like when iOS app when it got an error, it bounce back to home screen)
No matter I try to fix it - IT NO USE, I have tried factory reset / flash new rom from the internet (via PC Companion).
This buggy still occur. It was very annoying when I used my phone, just like Z is just a piece of junk.
I try to do something important on the phone ; send my email / read my message in the email,
but what Z brings me is .... 
.. what a bug!? (Thanks Buddha, I have my iPad to do something important instead)
How this could happen to a Flagship phone from SONY ?
Works with Email is very important to customer who buy a smartphone.
If the device can't offer a good result with that, it means that device is worthless.
This happens to Google Now App too, When I tried to search some keywords, it just crashing.
Issue on Google Now is important less than Mail / Gmail App , but it may reflect some inoperative to the product.
There are so many flagship smartphones in market, and ... they're ready to work with an important job user may use.
[Recent found bug]
I found this issue on yesterday, It happen to Facebook app (I'm not sure this would be a bug from App side or Device side)
When I tried to open a "Group Page", app was freezing and no response. sometime it bounces back to the home screen.
Second BUGs, this is not a serious problem indeed and I see most of users here are complain about it.
So, I'll emphasize to it ...
2.1 the LED notification issue
It will not show up when STAMINA mode is enabled
2.2 Camera is not Good as It should be
Slow at launch the camera app, image quality is not what Xperia Z should be (bad low-light, bad focus) .
... but I can handle it for this issue.
2.3 Sociallife App
at first it can't be open and install on my device, but now I can install and open it but....
On the Agreement screen, when I tried to select "Thailand -Thai", it was retuning to select language all the time.
Did SONY hate Thai people???
2.4 What's wrong with STAMINA mode?
at first Xperia Z comes to my hand, when STAMINA mode is enabled, Estimated standby time will show how much time left (day and hours)
It was diffenced between on and off. Then now, enabled or not. Time left is not change a bit.
2.5 Xperia Z is so hot!
When used 3G (surf the web, play youtube etc.), the temperture on the back (CPU area) is very hot.
I don't know, Are all devices were used CPU "Sanpdragon S4 Pro" in it, gets hot like Xepria Z?
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[My thought to SONY]
I lives in Thailand, but when I saw a fist XPERIA Z commercial. it looks very Great and Perfect.
With a unique design, water and dust proof ... all the story tales in the commercial.... It attracted me.
I decided to brought it from Singapore as soon as it released.... and this is what I get .... very disappointing.
What happen to a Xperia Z Rom?? if it not incomplete why all you guys released it?
I hope those bugs would be fixed on the next version of ROM,
if not - I won't buy a single piece of junk from Xperia Series anymore (and I'll tell everyone I know, not to buy this inoperative smartphone).
PS. if you realy needs an information from me, I would be happy to offer you. Let's make a "good Rom" for my Xperia Z together.
Sony has to give us the fixes ASAP considering the amount we are paying? Money is not easy to earn (May it is for Sony,therefore they are behaving like this with the loyal customer).. Also to add to your list of bugs... What the heck with the SOUND?? Before XZ , I did have Xperia Arc.. I swear it was the best phones as far as sound n volume is concerned.. Now I feel like why did I sale it.. ? 
Come on guys, WTF? Sound is very low that I missed some of the important calls when I was walking thorugh traffic.. This is not at all acceptable.. Sony, U'll have to answer us and give us the fixes otherwise ppl will think of taking legal actions against U... The amount of money u take is too much and the problems are too many and that too quite severe.:smileyangry:
It seems they are not interested to reply anymore.. I sent some msgs to mods/support staff but didnt get any reply from anyone.. Sad... Maybe I wont select Sony again...
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