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Battery drain by ANDROID OS

Battery drain by ANDROID OS
5hours 50% battery gone..
now using simply honey 3.3
how to fix it?
>.<

heard a lot abt battery drain in GB ROMS.. but i m on darkys v10rc6(2.3.3).. and i felt the battery was better than v9.5(i.e the 2.2.1 based rom)

last nite after a call..then i slept
wake up saw my fon battery gone >.<

any way to fix it?
is it the problem of TWEAKS and EXT MGR setting?

I tried Tweaky Rom after using Stock JVH and i like the whole Rom and lock screens and etc , but my battery wouldnt last more then 10 hours , flashed back to Stock JVH , rooted , flashed KC1 modem and getting 2 days easy with moderate use , on Tweaky it would drain about 15% every few hours , to bad as i like his ROM a lot
Hitec

u means TWEAKS and EXT4 will cause the problem?

Android OS battery drain issue is explained here.

although people argue wether it works or make sence the following sorted it out for me on dakry v10RC6:
using Titanium Backup
:delete data of
-Samsung Account
-Software Update
and freezing Software update
Afterwards I didn't face the drain agan I no negative sideeffect yet

thanks..
so my phone drained all battery also will solve the problem itself,lol..

alvissswoo said:
thanks..
so my phone drained all battery also will solve the problem itself,lol..
Click to expand...
Click to collapse
just try to wipe batt stats from CWM make sure you full drained battery first and charged to 100% then go to cwm wipe batt stats remove charger and reboot.
**disclaimer some what related
as per codeworkx
Why my phone only charges to 94%/96%?
The Android OS wont ever let you actually charge to 100%, because charging it to 100% would wear-out the battery alot faster then charging it just under maximum.
On Sammy Roms it just usually tells you its at 100%, when its really at 94%/96%
- codeworkx

alexkno said:
although people argue wether it works or make sence the following sorted it out for me on dakry v10RC6:
using Titanium Backup
:delete data of
-Samsung Account
-Software Update
and freezing Software update
Afterwards I didn't face the drain agan I no negative sideeffect yet
Click to expand...
Click to collapse
I was make this few days ago, and my SGS go on boootloop issue....
Regards

okay, strange, I don't face any problem, yet. Even no battery drain.
No as you're more or less forced to do a clean install maybe you'll be luckily afterwards having well working system

miro666 said:
I was make this few days ago, and my SGS go on boootloop issue....
Regards
Click to expand...
Click to collapse
yup,i done it aso..but android os still running n drain my battery
>.<

i just realise tat after i use Websharing/USB to transfer files
the ANDROID OS keep ruuning on background...
sweat..

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even i take out battery or Freeze
problem also appear again =(

get systempanel from market so you can get more details about exactly what process under the system is using the cpu.. but my guess is it is the std suspend bug in gingerbread... that is why i am still running froyo.

I did not found solution too, now I am staying away from gingerbread as far as it is possible.
I could add that my 4 month old micro sd kingston class 4 suddenly got 8 bad sectors maybe ginger was on it for too long...

jbdroid said:
Android OS battery drain issue is explained here.
Click to expand...
Click to collapse
Hitec Wireless said:
I tried Tweaky Rom after using Stock JVH and i like the whole Rom and lock screens and etc , but my battery wouldnt last more then 10 hours , flashed back to Stock JVH , rooted , flashed KC1 modem and getting 2 days easy with moderate use , on Tweaky it would drain about 15% every few hours , to bad as i like his ROM a lot
Hitec
Click to expand...
Click to collapse
jbdroid's link helped me alot on this issue. I'm running Tweaky's and almost did what Hitec did, because the rom would deplete the battery in 6-8 hours occasionally. Stock JVB would last 36 hours on average. So every once in a while I'll pull the battery, sd card and SIM wait a few minutes and re-boot. It's not much of a problem because I have a mix of batteries with different capacities (3500,3000 & 1950 mAh) and I charge them on external chargers exclusively. I also wiped the batt stats and calibrated. I installed a program called Autostart, which kills some services like updates and maps after start-up. Now I get about 20-24 hours use, not as good as stock JVB but acceptable enough to stay for a while on Tweaky's. And the speed is a good trade off over stock.

You are not worried about your nice phone slowly dying ?
Things you did have absolutely no impact on this HUGE GINGER BUG. On darkys 9.5 i have 72 hours standby or more that i have never recorded because of course some usage in the meantime always happens.

The "all of the sudden" battery fix on ICS

I have been using my s2 only 1 day on GB so i cant really tell you was the battery life good or bad there, but i i have some news for ICS
stock ROM users.
I was actually really depressed by the ICS battery life (i upgraded from GB same day i bought brand new S2), battery life was terrible,
turning on/off syncing, mobile data, gps etc etc helped a bit, but not that much. i still couldent get full day out of it with moderate use.
Again, im on stock 4.0.3 atm.
And then, a miracle.
Let me say right away, i am aware that these types of batterys (i have stock one btw) dont react on this whole "fully discharge then recharge" thing, but i do think now Android ICS as a system does! Cuz it was exactly what i did-i said what the heck doesent hurt to try and i was playing games like crazy when battery was on 10 or less percent so it wld shut down. then, i connected charger and used as normal on charger until it was fully juiced. repeated 3-4 times and what do you know... i now get 50% OR MORE WITH THE SAME BATTERY!
I am not really sure what happend there. Did battery gauge reset? Did ICS "learned" my battery properly? I dont know. All i know is that i am now able to get trough whole day (i get up 7:00AM, go to sleep round 01:00) with only 1 full charge. I dont even bother turning off wifi sometimes when i go out and dont need it.
I have been also reading around the web that some people got the same result. No calibration trys,pulling battery etc etc...just let it go trough few cycles and let system/phone "calibrate by itself".
Not exactly sure if this is a solution, bug, feature or whatever. I just thought it was worth writing to you guys
cheers, loop

why dont u share some screenshots

np mate, but in evening or tomo morning when i come home

Well, you actually shortened your battery life span by draining your battery to nothing, you should probably google what happens when you drain lithium batteries, and how it affects capacity, and not just
dont react on this whole "fully discharge then recharge" thing
Click to expand...
Click to collapse
You probably did reset your fuel gauge as your phone had no power to hold the gage memory, but you could of saved yourself a lot of battery capacity, by using search and finding out how to reset the battery gauge on the Samsung galaxy s2. Hint* search extweaks and Siyah kernel.
Anyway at least other people who read this, hopefully learn and do it all the easiest and battery efficient way and not
I have been also reading around the web that some people got the same result. No calibration trys,pulling battery etc etc...just let it go trough few cycles and let system/phone "calibrate by itself".
Click to expand...
Click to collapse
Hope this helped, and for future reference do not drain lithium batteries, whether it is your phone, laptop, ps3 controller. Try not to get it under 50% for the best efficiency, but the more you drain it to minimum charge the faster it degrades.

Did you uninstall anything? Did you change any settings? Sounds to me like wakelocks that were removed more than ICS "learning" your battery.

Take it like this: i upgraded to ICS over GB and did full wipe. First day i installed lets say 20+ apps that i use. mostly utilities,few games.
In this period of "recovery" i only updated few apps, installed GTAIII and Flipboard.
Let me make this perfeclty clear as i stated in OP and as deniso wrote: i am aware of todays batterys and how do they work. i am not senior android user but i know my way around,so as i stated, i know i dident "FIX" the battery itself. But i still think the main problem here is not the battery itself,its how ICS uses it.
However this:
Try not to get it under 50% for the best efficiency
Click to expand...
Click to collapse
is just... funny. "try not to" ok i get it, but below 50% is when u need your phone the most, should i carry a portable generator with me? no offense.
Please, do not throw rocks at me. I am aware what i wrote, and i am aware that it doesent makes sense with todays batterys and smartphones.
however,i still do have my better battery life, whatever u say or dont say.
Ill make some screenies when i come home.
Ty all for your feedback.

I said TRY not to, I personally use my phone all day and my battery only gets down to about 75% -85% at the end of the day, so it takes nothing special for our phones, unless you do heavy gaming or movie watching all the time.
And what I said, which wasn't throwing rocks at you, is that you probably just reset your fuel gauge as there was a lack of power to the memory chip, and like I said in my first post, Search EXTWEAKS and Siyah kernel as they have that exact function in them which does not require you to drain your battery below critical values or at all.

hello again, just posting screenies that i promised
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(its in croatian,but you can see what is important)
So as i said before. This is roughly really 50% MORE then what i was getting first few days on ICS. now, i dont know still if this is very good or average, but
it gets me trough day for sure. As u can see, i posted "screen on" time, cuz i was not getting even half of that before and i still have 34% left!
The day was filled with 5-6 emails, i watched 4 youtube videos, did cca 29 mins on surfing and cca 30-35mins in plants vs zombies. few sms, few calls.
So, im not playin smart here or anything, i just have more batter with whatever i did, and it makes me happy
Cheers

You getting more battery after 3 days could quite simply be due to the fact that you flashed new firmware and it always takes a few days for the kernel and modem to 'settle in'. You will never get a true indication of battery drain straight after flashing firmware.
And to the guy above who said he can use his phone the whole day and it never falls below 75%, wow!
I would love to know what firmware, kernel/modem combo you're using.
Sent from my GT-I9100 using xda app-developers app

Battery Life Issue (Is this normal battery life)

I've been noticing my battery has been draining a lot lately, and the majority is going to Android System. I did a search and found another post about this with no answers. I'm not getting much more than 12 hours on a daily basis, and I hardly use my phone. I'm including a screen shot of the battery usage. Is this a normal usage amount? I remember this phone being better on battery than this.
What are you guys getting for typical usage?
Anyone have any suggestions?
https://www.dropbox.com/s/q4axktwglfqg4ac/Screenshot_2014-10-23-21-11-07.png?dl=0
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philc21 said:
I've been noticing my battery has been draining a lot lately, and the majority is going to Android System. I did a search and found another post about this with no answers. I'm not getting much more than 12 hours on a daily basis, and I hardly use my phone. I'm including a screen shot of the battery usage. Is this a normal usage amount? I remember this phone being better on battery than this.
What are you guys getting for typical usage?
Anyone have any suggestions?
https://www.dropbox.com/s/q4axktwglfqg4ac/Screenshot_2014-10-23-21-11-07.png?dl=0
Click to expand...
Click to collapse
as of yesterday, I'm seeing the same problem. Didn't have short battery life before that but several apps updated yesterday morning and now I have something like 50% on Android System and an unusually high "Stay Awake" - we're talking something like 10 hours when I wasn't using the phone for anything in particular - certainly not 10 hours worth!
So, I'm wondering how we tell what is keeping a phone awake?

usually we need more info such as what rom your using and when it started to happen..
second post might be one of the apps thats causing it so id backtrack them n see if u can find the culprit
Sent from my SM-G900V using XDA Free mobile app
---------- Post added at 05:31 AM ---------- Previous post was at 05:30 AM ----------
also, better battery stats on xda is your friend.. android system can be a ton of different things
Sent from my SM-G900V using XDA Free mobile app

I had big time battery issues when I was running NI2, and similar to what you were seeing Android System and Kernel, my battery would be nearly drained after about 10 to 12 hours. I rolled back to NE9 and my battery is back to being great I am usually at about 60% after about 10 hours. For what it's worth apps and programs were the same between both builds. Not sure this is much help just figured I'd share my experiences and what worked for me.

scadilla said:
I had big time battery issues when I was running NI2, and similar to what you were seeing Android System and Kernel, my battery would be nearly drained after about 10 to 12 hours. I rolled back to NE9 and my battery is back to being great I am usually at about 60% after about 10 hours. For what it's worth apps and programs were the same between both builds. Not sure this is much help just figured I'd share my experiences and what worked for me.
Click to expand...
Click to collapse
This was the solution I feared. I'm having massive battery drain on NI2 as well. Unfortunately, won't we lose "HD Voice" or VOLTE if we roll back to NE9? Not a deal breaker I guess.
It's really too bad Samsung/Verizon broke the phone with an update. This is seemingly pretty common now. Hope another small update gets released soon. I'm on international travel starting Friday and having a phone dead by 3pm doesn't sit very well with me.
-Collin-

CollinFX45 said:
This was the solution I feared. I'm having massive battery drain on NI2 as well. Unfortunately, won't we lose "HD Voice" or VOLTE if we roll back to NE9? Not a deal breaker I guess.
It's really too bad Samsung/Verizon broke the phone with an update. This is seemingly pretty common now. Hope another small update gets released soon. I'm on international travel starting Friday and having a phone dead by 3pm doesn't sit very well with me.
-Collin-
Click to expand...
Click to collapse
Yes, you will lose HD Voice / VOLTE unfortunately. That was a sacrifice I had to take I couldn't deal with my phone being dead by 5:00pm.

agreed. Yesterday was a complete joke. By 2pm with light use, I was down to 21%. Dead by 3:30.
I hate that I have to flash my phone back to a prior version because Verizon/Samsung broke it.

CollinFX45 said:
agreed. Yesterday was a complete joke. By 2pm with light use, I was down to 21%. Dead by 3:30.
I hate that I have to flash my phone back to a prior version because Verizon/Samsung broke it.
Click to expand...
Click to collapse
it is what it is.. there are ni2 roms with great battery.. few have reported battery drains but not me.. ive tried a few ni2 roms and not had a battery drain since before ni2
Sent from my SM-G900V using XDA Free mobile app

CollinFX45 said:
agreed. Yesterday was a complete joke. By 2pm with light use, I was down to 21%. Dead by 3:30.
I hate that I have to flash my phone back to a prior version because Verizon/Samsung broke it.
Click to expand...
Click to collapse
Wake lock detector and greenify are your friends...

My about phone.

so, after posting the second post in this thread I'm happy to post that my battery consumption returned to normal by the next day. I don't know what was going on but I'm still on NI2 and regular battery consumption - what I've been used to seeing on the phone all along.
that said, it's great to know about some of the apps that are available for better tracking/info about wake-locks and battery use.

© «Get best battery life & screen touch fix - EUROPEAN 815 only»

For information...
I installed the latest c firmware (d in build prop) with LG flash tool (NOT UPGRADE), a CLEAN install.
wiped(factory reset) before flashing, then in flash tool cleared and made a CLEAN install and factory reset after to be safe (3 resets) .
Now I get very few screen misses, and screen on time 4.5 hours.
Before this I got screen on time maximum 2,5 hours.
Just wanted to let you guys/Girls in on this as it worked perfect for me and my wife.

Thanks for the placebo
Sent from my LG-H811 using Tapatalk

Think I've been around enough to make an accurate judgement, add I'm an recognised developer, I made a hell of a lot of mods and ROM's all developed for two things only battery life with good speed.
You don't have to believe me, what matters is for me, add I got a much better phone.

Hi smaberg,
I was wondering if you are on the Euro 815 version of the G4? Based on your post I'm guessing you are? As a guy who knows what he/she is doing, I was wondering if you could make a flashable zip of the version d firmware? I have a mac and my understanding is you need a pc for the LG flash tool?
Figured I would ask and would greatly appreciate if you could help!!

Do you have the same set of apps installed as you did before the firmware and resets?
I saw better battery results on my second G4 vs my first, some of which I assume was because I installed a lot less apps on the second unit. Which seems reasonable to me.

What device is the OP using?
Sent from my LGLS991 using Tapatalk

I'm on international 815 (Euro).
Still using the exact same apps(didn't use LG backup Restore as it brings back the old draining Barry problem from my old backup).
And NO I can't make an zip, as it would skip some important steps. I mean I can make it, NO problem, but then you will end up with the exact same problem add the old.

hey Smaberg, can you outline the step to flash the new version? I'm using 815, but since i'm residing in Asia, my phone is not seeing any upgrades.

Yeah i also like to get exact steps you made to flash
Sent from my LG-H815 using Tapatalk

lol at 3 factory resets..just makes me want to skip the whole ordeal
it's 2015 and google (+manufacturers) still can't get their **** together even when using the most powerful hardware available
android 5.x has been utter failure imo.

@smaberg, 4.5 hrs screenon is nothing to be specially proud on, yesterday i had 6hrs with 12.5hrs on battery. Device is H815 and firmware is v10c howecer, i got my device on saturday and did just root it this night... we will see how it behaves now.
tapatalked from lollipopped i9300

Furma said:
lol at 3 factory resets..just makes me want to skip the whole ordeal
it's 2015 and google (+manufacturers) still can't get their **** together even when using the most powerful hardware available
android 5.x has been utter failure imo.
Click to expand...
Click to collapse
Me too, but I did one before flash, one with the flash tool as I chose to make a CLEAN install, and the last mostly to be sure.

FadeFx said:
@smaberg, 4.5 hrs screenon is nothing to be specially proud on, yesterday i had 6hrs with 12.5hrs on battery. Device is H815 and firmware is v10c howecer, i got my device on saturday and did just root it this night... we will see how it behaves now.
tapatalked from lollipopped i9300
Click to expand...
Click to collapse
I know, but compared to before, with only 2 hours, sometimes even less worth stock a and b I'm pretty ☺ happy, now I'm going to deactivate some junk and see the results, and when I'm done I'll share it.
I'm trying to get the best battery without root, then with root and some of mine scripts and files mod. And we'll see where we stand. In the end maybe an ROM pure made for battery as in the old days. If some still want this? I thought/think people mostly want bling bling and speed...

smaberg said:
I know, but compared to before, with only 2 hours, sometimes even less worth stock a and b I'm pretty ☺ happy, now I'm going to deactivate some junk and see the results, and when I'm done I'll share it.
I'm trying to get the best battery without root, then with root and some of mine scripts and files mod. And we'll see where we stand. In the end maybe an ROM pure made for battery as in the old days. If some still want this? I thought/think people mostly want bling bling and speed...
Click to expand...
Click to collapse
Hi,
I would definitely be interested in a battery life based ROM. I find that premium phones have more than enough power you need (if youre not a gamer) so as long as the UI is smooth battery life is more important to me.
Regards,
Ravi

Only used 4% battery and got this screen on time. With everything on.
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Here's mine
Sent from my LG-H815 using XDA Free mobile app

drivel2787 said:
Here's mine
Sent from my LG-H815 using XDA Free mobile app
Click to expand...
Click to collapse
That's weird, you have the economy saver logo activated but still have 62% of battery life...

DoKaTSuYa said:
That's weird, you have the economy saver logo activated but still have 62% of battery life...
Click to expand...
Click to collapse
You can turn it on manually which some people do to prolong battery life rather than just when on low battery.

rav101 said:
You can turn it on manually which some people do to prolong battery life rather than just when on low battery.
Click to expand...
Click to collapse
Correct I have it on pretty much all the time. It doesn't effect anything I do on the phone and I get a lot better battery life as you can see combined with the use of App Ops, DisableService, and greenify

drivel2787 said:
Correct I have it on pretty much all the time. It doesn't effect anything I do on the phone and I get a lot better battery life as you can see combined with the use of App Ops, DisableService, and greenify
Click to expand...
Click to collapse
I don't use it because of the annoying orange colour change... How did you get rid of that??

Regarding LineageOS sourced ROMs on LS997 (devs please look LOS BUG!)

Introduction: Important shizz is underlined and in bold​
So for the past 2 months I've been flashing away with my new V20. Of course one of the first things that I decided to do was to get a CM/LOS ROM on this bad boy. And thus is where the problems begin. Before I went to any of the AOKP or RRemix ROMs I went straight to LineageOS first as a base point. I installed it successfully did all the necessary procedures (format x3, wipe errthing x3) and then installed the ROM, gapps, and Magisk.
Average battery life with watching a total of 30 minutes of Youtube videos sequentially on my 15 minute breaks, texting throughout the day, and one hour of music playing from spotify (streaming) in the morning. My work is a pretty set schedule and by no means am I on my phone all day or anything like that. So with a total SOT (screen on time) of about 45 minutes I got 5 hours of battery life.
Yes I did a clean clean clean stock install of a Lineage based ROM
No I have no other apps running and draining my batteries
I really do not think its hardware related because it can be fixed!
How I tried to fix it​
Now I try all the other ROMs. AOKP, same deal even with tweaking through Kernel Auditor on the Play Store, so I figured okay maybe just a fluke with these two ROMs. So I go and use previous builds of LOS and AOKP, nothing still the same issue. I go and use RRemix, same issue.
So heres the issue, 100% cpu usage while screen is on (cpus are maxed out on the little and big clusters) unless screen is off, then it goes into deep sleep, and the phone gets ridiculously hot which in turn drains the battery even faster.
Now at this point I'm so frustrated and had already settled on going back to stock until I downloaded Advanced Kernel Tweaker from an XDA post from the OnePlus forums. Its the same chipset (snapdragon 820) and tried applying different profiles. I got an extra hour using these tweaks but I still knew something was going wrong and I cannot figure it out for the life of me until I dug deeper reading posts about this stuff from several months ago and people having issues of overheating and an average of 5 hours of battery life
In one of the threads I read someone mentioned that it was just Kernel Auditor and its coding had been done in a way that was unoptimized. Because when your system detects you opening an app it boosts your little/big cluster in order to make up for the cpu usage so theres no lag. Well I thought okay I'll just use something else, so I spent money on EX Kernel Manager and by God, still the same issues, UNTIL, I hit the button at the top that is called performance mode.
BY GOD IT WORKED, HOLY CRAP MY CPU USAGE ISN'T JUST AT FULL USAGE
My temporary fix​
So now, I am constantly in performance mode with using EX Kernel Manager but I have control over my cores!! And they are no longer at 100% usage.
Here are pictures of the new stats with EX Kernel manager and uptimes of my little and big clusters.
Big​
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Little​
New battery life on ONE CYCLE
ps. the stent of this cycle was 5/22/2017 15:00hrs to 5/23/2017 19:00hrs​
Summary of the problem​
So as you can see, there are all of the speeds being used instead of just the one of 1593MHz when performance mode is off. If people would like pictures of 5 hours of constant 1593MHz speeds I can show you them, but I really don't feel like wasting and overheating my devices battery for the purpose of just pictures. Heres a taste of it without perfomance mode on, by the way, the little speedometer gauge in the top right of this image is the performance mode.
Conclusion​
So in conclusion, performance mode on using EX Kernel Manager, Advanced Kernel Tweaker scripts installed and using Project Zhana Battery profile, no more overheating and only getting 5 hours of battery life. YES this is a temporary fix but I hope arming XDA with this knowledge can push people and developers to find a fix. Thank you for your time reading this.

Meh. i dont have this issue. Seems like a problem with yours. Ive never had overheating issues :/ i just checked my Freq. usage. No issues. mine has24 hrs uptime with the following usage: 1593-59 min, 1478-20 min, 1401-15 min etc etc. you appear to be having issues on yours alone.

me2151 said:
Meh. i dont have this issue. Seems like a problem with yours. Ive never had overheating issues :/ i just checked my Freq. usage. No issues. mine has24 hrs uptime with the following usage: 1593-59 min, 1478-20 min, 1401-15 min etc etc. you appear to be having issues on yours alone.
Click to expand...
Click to collapse
Thank you for your reply, are you on LS997? Also what ROM and if its just my device, how come even with CLEAN installs I have this persisting issue?

Yes I am on LS997. I run EmotionOS(Though i think i am on an unreleased build). You COULD have a faulty device.
EDIT: i see you state you are constantly at 100% usage. You need to check and see what app(s) are hogging the cpu. Something is obviously running if your phone runs hot and are at 100% usage.

me2151 said:
Yes I am on LS997. I run EmotionOS(Though i think i am on an unreleased build). You COULD have a faulty device.
EDIT: i see you state you are constantly at 100% usage. You need to check and see what app(s) are hogging the cpu. Something is obviously running if your phone runs hot and are at 100% usage.
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I thought this too, so I did a clean clean clean install of a rom and ONLY installed monitoring software and I still had the same issue, but heres the thing that trips me out man, how come software can fix it if its a faulty hardware issue? Any ideas? It has to be kernel related.

The problem here is that you got the V20. LG phones are back to being garbage again...sadly.

godman_8 said:
The problem here is that you got the V20. LG phones are back to being garbage again...sadly.
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Mods plz

alvinator94 said:
Mods plz
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??? Why, it's on-topic.