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there is still no update for my tablet z 311 uk
its still stuck on 10.1.c.0.344
where is the uk 4.2.2 update or even the .370 firmware update
im sick of the over sensitive screen which has been fixed with .370 firmware version yet there is still no update avalible for my tab z
i think its time to get rid of this sony tab and go back to samsung at least you no where you are with them
sort it out
I'm in the UK and imy SGP312 updated, via PC Companion, on the day it was announced.
I upgraded and regretted it - I now have a permanent, 72 pixel thick black bar at the top of my screen for the clock and notifications. The UI looks like it was designed for a portrait-orientated phone handset, rather than a landscape-orientated tablet.
However, if you don't mind losing some screen real estate, it's a good upgrade.
Edit: mine is an SGP312 also in the UK.
i bought tablet Z yesterday. all i hope for is that Sony wont announce xperia tablet Z1 haha.
you can steal 5mm from my screen or never update firmware as long as there is no better tablet until atleast 2014 
the problem is we brought the cheap version and sony dont give a **** £399 for an over sensitive piece of crap iv given up using it
it bounces all over the place zooming in and out things poping up opening up (and yes iv tryed a factory reset)
if we cant have the newest firmware at least give up the .370 firmware update that fixes the issue for the over sensitive screen atleast then we could use it
and still we wait for a firmware update to fix the issues with the 311
WHERE IS THE 4.2.2 UPDATE OR EVEN THE .370
No 4.2.2 for me as well. Got the .370 pretty quickly, but the 4.2.2 update is nowhere to be seen. I'm in Norway.
Edit: Update is finally downloading as we speak. Got it via PCC 