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 Sony Xperia Z & Xperia ZL offcial thread V7, jelly 4.2 update arrived

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Andrewtst
post Jun 22 2013, 03:37 AM

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QUOTE(ChuanHong @ Jun 22 2013, 03:35 AM)
right. hmm.. if ur phone consume 90-95% of RAM. then u will feel laggy or some apps will closed by android OS. more extra RAM is just preserved for future use.

example: A phone with left 700mb free RAM, and B phone left 1.4gb free RAM. I believe future proof here is the B phone.
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Ya, don't care what kind of OS, any device is always better with more extra RAM.
Andrewtst
post Jun 22 2013, 03:45 AM

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QUOTE(ChuanHong @ Jun 22 2013, 03:39 AM)
oo. erm.. hope u can do more comparison on camera performance.

i also do hope sony can integrated the walkman widget on lockscreen. which only appear while i played the music and turn off/on screen.
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Ya, it became a bit stupid where cannot direct open the WALKMAN from lockscreen.

Andrewtst
post Jun 22 2013, 03:56 AM

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1st trial out & Good Night everyone.


Xperia Z .407 v/s Xperia ZL .423 camera comparison.

Mode: Superior Auto
Scenario: Low Light Indoor

Winner: Xperia ZL .423, it is clear obvious .423 superior auto mode is sharp and no noise.

Xperia ZL .423 firmware
user posted image

Xperia Z .407 firmware
user posted image

This post has been edited by Andrewtst: Jun 22 2013, 03:57 AM
Andrewtst
post Jun 22 2013, 04:26 AM

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QUOTE(pikachu01 @ Jun 22 2013, 04:04 AM)
There are different devices with different configurations. I can only speak with the example of Galaxy devices. Some devices can slow down for plenty of other reasons, nowithstanding the RAM issue.

If you're using a pretty recent Android OS (4.x++) and the device usable RAM is more than 1GB plus the manufacturer doesn't tweak the RAM management with unwanted stuff, I can safely say that your slowdown is not attributed to free RAM.
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S III international v/s LTE practically same device. Why LTE - 2GB run smoothly but not the international - 1GB edition.

RAM forever important, never extra too many means wasted, this apply to Android, iOS, Windows, MacOS and Linux.

More RAM always helping the performance.

This post has been edited by Andrewtst: Jun 22 2013, 04:30 AM
Andrewtst
post Jun 22 2013, 04:39 AM

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QUOTE(pikachu01 @ Jun 22 2013, 04:33 AM)
Kernel configurations? Or they messed with RAM management in both of the devices to not favour cache (maintain a few hundred MB of unused memory leading to lower performance).
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Then you just use 512MB RAM device enough as it enough for you since you mindset more RAM is wasted and RAM never help on performance.

Sincered said reply you is just wasting my time.

Also everyone know S III LTE is i9305. That i747 is different processor for AT&T carrier in USA only.

This post has been edited by Andrewtst: Jun 22 2013, 04:43 AM
Andrewtst
post Jun 22 2013, 04:46 AM

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QUOTE(pikachu01 @ Jun 22 2013, 04:42 AM)
Man, I've been compiling kernels and working on the Android RAM management for a few years. smile.gif

I know what I'm talking about.

As I've said, if you're using 1GB+ devices with Android 4.xx+, you should be fine.

512MB (even with full 512MB usable RAM) with an Android 4.x+ isn't cutting it as Android system basically takes ~ 200MB++. Running Angry Birds would consume ~ 60-100MB at different times.

With that, you'd be hard pressed if you have services/launcher/widgets.
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What the point if you cannot use this or that, what the point keep worried and reduce the widget to remain you so call 1GB RAM is enough. Pure nonsense as it still never show RAM never help in performance.
Andrewtst
post Jun 22 2013, 04:48 AM

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QUOTE(pikachu01 @ Jun 22 2013, 04:44 AM)
No, Galaxy S3 LTE can be i747 also. They do sell those here in Malaysia before the Exynos LTE chip was released.

Besides, it was a ~ 2months + delta when the i9305 got released, the SOC is probably a newer stepping that increased its performance.
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It is not official and never mean to be sold here.

You are truly want to win anything, this you also can argue, this proof your personality.

No point responds you.
Andrewtst
post Jun 22 2013, 10:23 AM

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I never said it work like Windows, I know is google itself said extra RAM is waste RAM. But in-fact in real life, left too little RAM never work well for android also.

1GB is not really enough for Jellybean due to much hunger of it.

I prefer full of widget and not background tasks keep closing down by it.
Andrewtst
post Jun 22 2013, 10:26 AM

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QUOTE(teckyang97 @ Jun 22 2013, 09:53 AM)
it doesn't work like windows,android ram has a lowmemorykiller,when if reached maximum,it will be cleared itself
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that the issue, I prefer it stick in background longer than let keep clear by itself. I know all this and know how google work.

Killing task is a process also.

But never denied 2GB is working far better than 1GB. 1GB is just a minimum requirement of Jellybean, no device on earth with minimum will working perfectly. Extra RAM even is wasted most time is helping the device run smooth and better.

2GB is a must for Jellybean except Nexus 10 due to extra 800MB more get reserve for GPU, I can assure such high resolution device need 3GB RAM to perform perfect and smooth without any issue.

Clear itself more means more reopen back time required for apps you already done open.

This post has been edited by Andrewtst: Jun 22 2013, 10:44 AM
Andrewtst
post Jun 22 2013, 10:33 AM

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QUOTE(eddmecha @ Jun 22 2013, 08:48 AM)
Well I agree with u on s2-G but for s3 n note 2 I would say its essential enough without hang so far my gf s3 she have been using for a year no problem what so ever...only when she on the power saving will slow down the phone..and for note 2 its the best android samsung ever build and its smoothness n battery life is the best for such big screen...i never like aokp/aosp and they are not really power savvy as well...
+1 its not like windows where free RAM is essential...so no point having too many free RAM on android
Yeah same here exicted as there are alot of zl user giving positive feedback on this....
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I never said S3 is hanging king lei, which part I said it?

But S3 often restart launcher itself or slow down after long use in 1GB edition, it never happen in LTE 2GB edition or Note II. This part again proof 1GB is not enough. Don't said can change to Nova or use AOSP ROM. A lot people buy any brand because liking any brand design include the launcher itself.

Not everyone prefer pure android to load in it phone than actual the phone stock came with.

You all keep saying no point having too many extra RAM as it is wasted as this is linux behave. Come on even in actual linux pc, extra RAM also helping the system perform better. In PC or phone with same spec and same OS and application install and running, the more RAM unit still perform better than the one with minimum requirement RAM unit.

This post has been edited by Andrewtst: Jun 22 2013, 10:39 AM
Andrewtst
post Jun 22 2013, 10:46 AM

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QUOTE(pikachu01 @ Jun 22 2013, 10:44 AM)
I thought the point of contention is that "free RAM constitutes performance"?

And I have pointed out, free RAM does not consitute performance. Even if you have 2GB of RAM, if most of it is left fee, performance should be similar if you have a 1GB Android 4.x++.

More RAM doesn't hurt, but having it free bears no performance improvement.
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I always talk to you 1GB vs 2GB. Minimum RAM is impact the performance.

1GB only working ok for ICS but never for JB.

This post has been edited by Andrewtst: Jun 22 2013, 10:47 AM
Andrewtst
post Jun 22 2013, 10:53 AM

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QUOTE(pikachu01 @ Jun 22 2013, 04:54 AM)
Just to give you a perspective, I've been an Android kernel hacker for around 2 years, worked in Android SOC products for a year or so. I definitely know what I'm talking about here. smile.gif

No offense or anything, I just dislike people making sweeping statements about things that are not true.
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Because got people like you, that why market still flooded with bad performance and impression to first time android user as 1GB Jellybean device only beginning ok, once load with a lot of things where most people do, and not much people know on customize will disappointed with android at the end.

All this get no issue when the device is 2GB or more, not only user love a lot of things, even manufacturer also. Samsung pushing more and more now as it is a selling point, no point if you buy it and later remove all of the features just for let it performing smooth.
Andrewtst
post Jun 22 2013, 10:56 AM

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QUOTE(pikachu01 @ Jun 22 2013, 10:51 AM)
And as I said, if you're talking 1GB vs 2GB, the bottleneck isn't the amount of RAM. It's the services/processes running in the background (i.e. the bloat that some manufacturers introduce) as well as how they optimize the kernel in temrs of RAM management.
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If new phone never came with more useful service, no point upgrading also right?

At the end, having more RAM is better and needed.
Andrewtst
post Jun 22 2013, 10:58 AM

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QUOTE(more69 @ Jun 22 2013, 10:50 AM)
Nexus S is running on JB. what weed u smoke?
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Nexus one I also let it run JB.

You can force it run but not means it run fine with its suppose result.
Andrewtst
post Jun 22 2013, 11:01 AM

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QUOTE(benny888 @ Jun 22 2013, 08:43 AM)
It is Google OS that explicitly said unused ram is wasted ram lah! Not he say it. Ram is meant to be used till as much as possible. As posted above don't think it act like windows
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I know this but in actual usage it is not.
Andrewtst
post Jun 22 2013, 11:04 AM

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QUOTE(pikachu01 @ Jun 22 2013, 10:57 AM)
Eh, please don't get emotional on things we discuss in here. We're not pointing fingers on anyone or putting the blame on anyone.

And to make sure you know what I'm talking about, I'm not working on ARM based SOCs. I'm an Intel engineer. Do you see any Intel based phones that have bad performance?
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Because you keep show off you are android engineer, and you know much better, you are not means you better if you never stand in customer usage.

Not much Intel base phone, it is too rare and not mainstream now, no one knows how it perform.
Andrewtst
post Jun 22 2013, 11:13 AM

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QUOTE(pikachu01 @ Jun 22 2013, 11:02 AM)
There is a point where software surpasses the hardware momentum. As I've said, at this point the current apps that we have now have not surpassed the RAM that we have now.

Also, one point I want to make. Do you know that Android periodically kill off background apps according to the number of background apps that you have and the time it is idle?

You almost never get to fill up the total amount of RAM (even if it's 1GB of usable RAM). You can check the amount of free RAM through /proc/meminfo.
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I know that also not possible any device fill up all the RAM. You also notice the RAM occupied is more base on increasing resolution and it behave different in different bundle RAM.

Without talking technically, obvious higher RAM device perform better and smoother.

Android itself already not that efficiency on RAM control, at least not until recent version 4.2, so for now, extra RAM is benefits.
Andrewtst
post Jun 22 2013, 11:17 AM

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QUOTE(pikachu01 @ Jun 22 2013, 11:07 AM)
I'm not showing off that I'm an Android engineer (I'm not an Android Engineer btw), I'm a design engineer. I don't know much better and I can be wrong, but the things I've mentioned before this, I know what I'm talking about.

I don't appreciate the mollycoddling that I've been given here, hence why I'm explaining my experience lest you think I'm talking about things I don't understand.

The point I'm giving here is that, RAM is not the only bottleneck if it's (1GB vs 2GB). A lot of things can be the bottleneck. Making sweeping statements about RAM being the bottleneck (for 1GB vs 2GB devices) is wrong.
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I also only mention RAM is one part of it. Many others thing do impact as well. smile.gif

But I still hold my point, extra RAM is benefits and more future proof as things is getting more and more features where more RAM is required.
Andrewtst
post Jun 22 2013, 11:50 AM

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Holly shit!

My sister ZL just went dead out of sudden.

She is playing the Candy Crush, then when she quite, the screen just blank. I can feel it seems is hang due to some sort like got light.

I try hard reboot, never work. I press Power + Volume Up, I plugin to charger no indicator light, I plug in to PC not detected.

v4.2.2 got problem? It just die like that, not no battery issue as still got at least 50%


EDIT: Phone is ok! ALAMAK! This ZL got battery reset button at back!? OH!!! Now I just notice it.

This post has been edited by Andrewtst: Jun 22 2013, 12:03 PM
Andrewtst
post Jun 22 2013, 11:51 AM

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QUOTE(trustme_ @ Jun 22 2013, 11:30 AM)
i copied from here one  laugh.gif

http://deluxeforums.hardwarezone.com.sg/77...7-post5058.html

it looks nice so i shared it here . im sorry sad.gif
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Is ok, nothing hard feeling. smile.gif

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