I'm using a Transcend class10 16GB in mine

mine 16 as well.. What problem with 32gb? 

Link?

Bagus la, its better than the a and c versions.

Bro, show some screenshots and share here la

The TX comes pre-applied with a shatter proof protection layer. Adding another screen protector on top of it will reduce the sensitivity of your screen.

Relatively scratch proof la, but mine started to show some scratches already.

means you buy from RM1599??

Owh monthly.

if cracked apps kenot share here

but if you want, i can pm you a site that i owes download games from and it very user friendly site

mob

T, TX & V were released at the same time. Besides the different hardware drivers, they all shares the same set of Sony firmware & software.

There must be some similarity between users who have experienced SOD across T, V & TX. Maybe they all installed a certain apps? Maybe they all use the phone in a certain pattern?

One way to find out is to list out all the installed apps in the phone. Those that does not come with the phone, was installed from Play Store or thru apk. Then do a comparison.

Then this is confirmed something in the Sony firmware.

Well, the SOD seems like gone with JB update for V users. So, I think the JB update for TX will also fix this.
Have to be patient a bit and wait for the update to come within March.
In the mean time, you can suggest to your friend to change a bit of his/her usage pattern. Changing usage pattern may avoid this SOD problem. Usage pattern means how an user interact with apps in the phone. Just some examples:

1. After using an app, some users always press the 'Back' button repeatedly until back to home screen,
    While some other users like to just press the 'Home' button to go straight back to home screen (the iOS way).
    (There is a difference in this, but it is technical. So I wont explain.)

2. Some users always like to go back to the Home screen before letting the phone sleep,
    While some others just press the power button to put the phone to sleep after using an app.

3. Some users like to put a lot of icons on the home screen. Full of icons & widgets,
    While some others want to keep the home screen clean, just a few icons + a few widgets.

4. Some users like to charge their phone whenever there is a power outlet nearby and they are not using their phone,
    Some users like to charge their phone routinely at a fixed time everyday,
    While some others will only charge when the battery dropped to a certain level.

A certain combination of these patterns may trigger the SOD inside the Sony firmware.

Sounds strange right? Just my thought.

I do not know the exact cause of SOD, so I cannot tell you how to prevent it. I am only suspecting that some usage pattern + some phone settings will trigger it.

For me:
1. I always use the 'Back' button to return to home screen.
2. I always return to home screen before I let my phone sleep.
3. I only charge my phone when battery is at the 'red' level. Somewhere below 20% or when it prompts me to charge.
4. My display sleep time is 30 seconds of inactivity. Extended Standby Mode off. Only WIFI on at home. Using a pattern to unlock. All Developer options are off. Other settings are mostly untouched.

This is just my usage pattern. I did not follow it 100% all the time, just most of the time. Most importantly, you have to understand that this is not the 'best' way in using Android. Android is very flexible, it will work in whichever way you use it. It is just my suggestion to change the pattern a bit to see if it helps.
I owned a TX for 2 months and I never encounter any SOD so far. SOD rarely happen on TX.
I do not have any special app. Just normal apps like anyone else: App2SD, ASTRO File Manager, Whatsapp, Gmail, Facebook, Compass etc...
What you have seen on a tablet is a 'task killer'. Since Android 2.2/2.3 onwards, it doesn't need a task killer anymore. Your friend's phone is a clean unit, there is nothing to 'kill'.
I dunno the exact date of when JB will be available. From all the info on the internet, we only know that it will come by March, but dunno which day of March.

I had the Sleep of Death shortly after buying my TX. But after a few days the issue went away. Have not experienced another SoD until now....

Not sure what the cause was but I am really curious if it is caused by certain usage behavior and or app/firmware bug.