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 ** Google Nexus 4 Official Thread V11 **, 4.3 Jelly Bean rolled out! Read 1st post

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cowithgun
post Jul 30 2013, 10:11 PM

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I am still in 4.2.2, already got notification to update but will only update after finish this trip.

4.3 now automatically do trim and improve performance of your phone when idle:

- the device hasn’t been touched for over an hour
- no idle maintenance window event has been sent in 24 hours
- the device is either off-charger with 80% battery or on-charger with 30% battery.

The idle maintenance event is interesting. May be cab automate other stuff.

Source:http://www.anandtech.com/show/7185/android-43-update-brings-trim-to-all-nexus-devices
cowithgun
post Aug 1 2013, 01:57 AM

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QUOTE(Harddisk @ Jul 31 2013, 11:08 PM)
Dunno about you,  4.3 still seems buggy to me.

» Click to show Spoiler - click again to hide... «

*
Bluetooth Smart Ready is not a technology to make Nexus save more battery in Bluetooth mode. It's a tech that allow our Nexus to connect to new Bluetooth Smart devices that uses low power, as small as a pill, etc.

https://forum.lowyat.net/topic/2780417/+1860#entry60658389

QUOTE(skip2malou @ Jul 31 2013, 08:51 PM)
Anyone having problems with phone being not as smooth as before after updating to 4.3 ? It is suppose to the the Trim thingy technology right ? which makes the phone faster .... no sure why update update become slower .... hmmmm
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LOL! I just upgraded to 4.3, just fine. Cannot wait till I get back Malaysia. Now on stock. Lag? No. Battery? Need time to test.

- The color is still not calibrated. Will have to calibrate it later. The color from PA guy is still the best.
- I am using the App Ops now! This hidden feature in Android 4.3 allow you to do fine permission control over App in your phone. For example, you can disable Maps from reading your location, etc.

http://www.androidpolice.com/2013/07/25/ap...ndividual-apps/

For those who dont like to download app to launch that hidden feature, just execute "com.android.settings.Settings$AppOpsSummaryActivity" to access the feature.


Functionality seem still limited. I may still need my AFWall+.

This post has been edited by cowithgun: Aug 1 2013, 02:05 AM
cowithgun
post Aug 1 2013, 09:33 AM

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QUOTE(Harddisk @ Aug 1 2013, 08:49 AM)
No, this is a new bug. Never has such high drain from BT module on previous version.

In case you didn't notice, I was just being sarcastic.  tongue.gif
*
blush.gif blush.gif blush.gif
cowithgun
post Aug 2 2013, 09:11 PM

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MX player updated for 4.3
cowithgun
post Aug 5 2013, 02:36 PM

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Yah~ Finally got some time to recompile the 4.3 kernel.

Undervolting at -175 and color calibrated.

Attached Image

This post has been edited by cowithgun: Aug 5 2013, 03:08 PM
cowithgun
post Aug 6 2013, 12:04 PM

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I captured this while I was on stock 4.3. Even without undervolting, the battery usage is impressive.


Attached thumbnail(s)
Attached Image
cowithgun
post Aug 6 2013, 12:27 PM

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QUOTE(polarzbearz @ Aug 6 2013, 12:24 PM)
How long for the SOT?
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i didnt capture that, think it's like 11min or something laugh.gif

i was sleeping like all day after a long flight... yawn.gif sweat.gif sweat.gif sweat.gif

at least it indicate no wakelock leakage... ? nod.gif
cowithgun
post Aug 6 2013, 06:31 PM

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QUOTE(tjay_tj @ Aug 6 2013, 06:22 PM)
my usual battery usage is around 5 days with 1hr SOT on 4.3
it used to be 3 days with 1hr SOT with 4.2.2

very little usage on my phone while most of the time i and in front of my desktop
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nice. 5 days on low usage is almost matching the Nokia era tongue.gif

seem like 4.3 has even lower power consumption in idle...
cowithgun
post Aug 7 2013, 08:26 AM

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QUOTE(annoymous1234 @ Aug 7 2013, 07:28 AM)
Why all so proud of battery life when u barely use ur phone? BTW I think u feel that battery life is better coz u did a reset.. If u reset 4.2 also the battery would be the same.. My guess la
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this is 1 common misconception. reset your phone will not calibrate the battery. to calibrate you need to drain it.

my battery life was even better when i was in 4.2.2 because I undervolting at -175.

so, your guess is wrong.

QUOTE(GreenSamurai @ Aug 7 2013, 08:08 AM)
I agree. Like the first poster in this page has 33% on idle which means he don't use his phone at all. What's the point even if the battery cab last for years?
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there are many ways to read a phone battery status. high idle and low battery usage = low leakage, low wakelock, etc. i do benchmark my phone in high usage too. check out my 6 hour SOT in my siggy.



This post has been edited by cowithgun: Aug 7 2013, 08:28 AM
cowithgun
post Aug 7 2013, 01:30 PM

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That was with 4.2.2. Will try benchmark 4.3 after I finish tweaking it. Right now, only undervolting at around -175 and overclock to 1.8ghz. Got a feeling 4.3 will be a little better due to more efficient merge and arrange rendering.
cowithgun
post Aug 9 2013, 01:17 PM

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QUOTE(phantomash @ Aug 9 2013, 09:02 AM)
Taylor Wimberly (from Android and Me) posted on Google+
thoughts?
*
there are many features i like about Moto X, which i hope to come to the next Nexus:

- S4 pro + X8 SOC. this combination making it possible to have all those always listening, always on possible but still have much better battery life compare to other phone
- Motorola Assist, now this is SMART phone:
o automatically set phone to silence during meeting by reading your Calender
o automatically set phone to hand-free mode when you driving

automation is 1 of those thing i'd like to see some improvement in Android... hopefully the next Nexus will run KLP too. thumbup.gif
cowithgun
post Aug 10 2013, 08:57 PM

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QUOTE(olygopoly @ Aug 10 2013, 08:41 PM)
Read that 4.3 got two version is it ?the JSS and JWR one. Whiich one is recomendded? Btw im from cm10.2. Want a taste of 4.3. How do i go about it ?still planning to use custom rom n kernel
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JSS is newer but if u wanna use JSS kernel, your ROM must be compiled for JSS build also otherwise you will see screen tearing effect.

Anyone with stock ROM must just JWR kernel (custom or stock) too to avoid problem.
cowithgun
post Aug 10 2013, 10:04 PM

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QUOTE(olygopoly @ Aug 10 2013, 09:11 PM)
ic. but can't the one with  stock rom use jss version one?
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can use (still boot up and everything), but you will see some strange tearing effect. for stock ROM, use JWR kernel.
cowithgun
post Aug 11 2013, 10:22 AM

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QUOTE(teckyang97 @ Aug 11 2013, 09:04 AM)
Quite true also,but I will change to cm10 after chromecast reach my hand,cm10 makes chromecast work with all apps,how cool
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not all app, i think only local media. if it is how i think it will work, you just need a simple web server (podcast, etc) running on your phone and direct Chromecast to stream from your phone. so, in theory, it should only work with media related app. so, game and all prolly will not work, unless the game uses Media API to display it's graphic, which typically limited to cut scene.

i was hoping to get a Chromecast too, but it's sold out!
cowithgun
post Aug 13 2013, 02:31 PM

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Successfully compiled JSS ROM and pushed to my Nexus 4. As mentioned previously, JSS ROM has graphic issue if you use stock Kernel (JWR as in the screen shot below).

Attached Image

To get JSS kernel, just use "master" branch or "jb-mr2.0-release".

JSS seem to have some deadlock issue (cannot verify), so, if you want to use stock ROM and custom JWR kernel, you need to get your kernel source from "jb-mr2-release"

CODE
git clone https://android.googlesource.com/device/lge/mako-kernel -b jb-mr2-release
cowithgun
post Aug 13 2013, 10:29 PM

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QUOTE(billy_overheat @ Aug 13 2013, 06:03 PM)
The deadlocks seem inconsistent. I experienced it in Play store and dieting unlocking process. Touch input is freezed while others for our during fast typing.

You?
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have not use it long enough to encounter it myself...

after seeing those issues, i revert back to stock ROM with custom JWR kernel. stability is more important to me.

also, detected some instability while -175 undervolting; camera crashed. after some investigation, the 4.3 kernel uses lower vdd compare to previous kernel.

before 4.3, fast and faster CPU binding treated the same:

CODE

static struct acpu_level acpu_freq_tbl_fast[] __initdata = {
       { 1, {   384000, PLL_8, 0, 2, 0x00 }, L2(0),   850000 },
       { 0, {   432000, HFPLL, 2, 0, 0x20 }, L2(6),   875000 },
       { 1, {   486000, HFPLL, 2, 0, 0x24 }, L2(6),   875000 },
       { 0, {   540000, HFPLL, 2, 0, 0x28 }, L2(6),   900000 },
       { 1, {   594000, HFPLL, 1, 0, 0x16 }, L2(6),   900000 },
       { 0, {   648000, HFPLL, 1, 0, 0x18 }, L2(6),   925000 },
       { 1, {   702000, HFPLL, 1, 0, 0x1A }, L2(6),   925000 },
       { 0, {   756000, HFPLL, 1, 0, 0x1C }, L2(6),   975000 },
       { 1, {   810000, HFPLL, 1, 0, 0x1E }, L2(6),   975000 },
       { 0, {   864000, HFPLL, 1, 0, 0x20 }, L2(6),  1000000 },
       { 1, {   918000, HFPLL, 1, 0, 0x22 }, L2(6),  1000000 },
       { 0, {   972000, HFPLL, 1, 0, 0x24 }, L2(6),  1025000 },
       { 1, {  1026000, HFPLL, 1, 0, 0x26 }, L2(6),  1025000 },
       { 0, {  1080000, HFPLL, 1, 0, 0x28 }, L2(15), 1075000 },
       { 1, {  1134000, HFPLL, 1, 0, 0x2A }, L2(15), 1075000 },
       { 0, {  1188000, HFPLL, 1, 0, 0x2C }, L2(15), 1100000 },
       { 1, {  1242000, HFPLL, 1, 0, 0x2E }, L2(15), 1100000 },
       { 0, {  1296000, HFPLL, 1, 0, 0x30 }, L2(15), 1125000 },
       { 1, {  1350000, HFPLL, 1, 0, 0x32 }, L2(15), 1125000 },
       { 0, {  1404000, HFPLL, 1, 0, 0x34 }, L2(15), 1137500 },
       { 1, {  1458000, HFPLL, 1, 0, 0x36 }, L2(15), 1137500 },
       { 1, {  1512000, HFPLL, 1, 0, 0x38 }, L2(15), 1150000 },
       { 0, { 0 } }
};


4.3:

CODE

static struct acpu_level tbl_faster[] __initdata = {
       { 1, {   384000, PLL_8, 0, 0x00 }, L2(0),   850000 },
       { 0, {   432000, HFPLL, 2, 0x20 }, L2(5),   875000 },
       { 1, {   486000, HFPLL, 2, 0x24 }, L2(5),   875000 },
       { 0, {   540000, HFPLL, 2, 0x28 }, L2(5),   900000 },
       { 1, {   594000, HFPLL, 1, 0x16 }, L2(5),   900000 },
       { 0, {   648000, HFPLL, 1, 0x18 }, L2(5),   925000 },
       { 1, {   702000, HFPLL, 1, 0x1A }, L2(5),   925000 },
       { 0, {   756000, HFPLL, 1, 0x1C }, L2(5),   962500 },
       { 1, {   810000, HFPLL, 1, 0x1E }, L2(5),   962500 },
       { 0, {   864000, HFPLL, 1, 0x20 }, L2(5),   975000 },
       { 1, {   918000, HFPLL, 1, 0x22 }, L2(5),   975000 },
       { 0, {   972000, HFPLL, 1, 0x24 }, L2(5),  1000000 },
       { 1, {  1026000, HFPLL, 1, 0x26 }, L2(5),  1000000 },
       { 0, {  1080000, HFPLL, 1, 0x28 }, L2(14), 1050000 },
       { 1, {  1134000, HFPLL, 1, 0x2A }, L2(14), 1050000 },
       { 0, {  1188000, HFPLL, 1, 0x2C }, L2(14), 1075000 },
       { 1, {  1242000, HFPLL, 1, 0x2E }, L2(14), 1075000 },
       { 0, {  1296000, HFPLL, 1, 0x30 }, L2(14), 1100000 },
       { 1, {  1350000, HFPLL, 1, 0x32 }, L2(14), 1100000 },
       { 0, {  1404000, HFPLL, 1, 0x34 }, L2(14), 1112500 },
       { 1, {  1458000, HFPLL, 1, 0x36 }, L2(14), 1112500 },
       { 1, {  1512000, HFPLL, 1, 0x38 }, L2(14), 1125000 },
       { 0, { 0 } }
};


basically, at low freq, nothing change, but at higher freq, 4.3 already using lower voltage. so, if -175 was your limit previously, you can no longer do -175 in 4.3, because 4.3 already using a lower 25000 vdd. So, if you still wanna undervolt high freq, do it at -150 only.

This post has been edited by cowithgun: Aug 13 2013, 10:31 PM
cowithgun
post Aug 14 2013, 08:16 AM

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QUOTE(billy_overheat @ Aug 14 2013, 12:07 AM)
Which kernel are you using? Faster binding? - 175 is kinda impressive. The max I got was only - 150.
*
AOSP kernel compiled directly from google source. smile.gif See my kernel "cow@ubuntu". I was lucky to get a "faster" binding CPU.

Attached Image
cowithgun
post Aug 14 2013, 11:44 PM

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QUOTE(Xirality @ Aug 14 2013, 10:13 PM)
Anyone dare to do this?
*
ya, i tried 1.944ghz before. Took this photo since 4th March 2013...

Attached Image

ps: freq table I use with Overclock and undervolting posted in 22 March:

https://forum.lowyat.net/index.php?showtopi...&#entry59139540

This post has been edited by cowithgun: Aug 14 2013, 11:48 PM
cowithgun
post Aug 14 2013, 11:56 PM

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QUOTE(Xirality @ Aug 14 2013, 11:52 PM)
Any noticeable difference?
*
Only see it when you benchmark. Normal usage, Jellybean mostly hover around 1ghz when you touch the screen. Although I can push for 1.9ghz, I mostly set max to 1.7ghz. This is because at 1.7ghz, with my "faster" binding CPU, I am actually using same voltage as 1.5ghz in stock Nexus.

At 1.9ghz, you need to add additional VDD to your CPU. Running it once in awhile is OK, but gaming, you run into risk over frying your CPU. biggrin.gif

This post has been edited by cowithgun: Aug 14 2013, 11:56 PM
cowithgun
post Aug 15 2013, 12:00 AM

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QUOTE(Xirality @ Aug 14 2013, 11:58 PM)
shocking.gif
better don't mess with it then, good with computer overclock but not phone lol

What ROM you using?
*
Stock JWR ROM.
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