Database Users

Battery drains 50% a day...whilst idling!

Guys,
pretty much as the topic says...it drains about 40 to 50% a day when it is idle....if I am using it it can be anything up to a 1% a minute.
Any hints on where to look - tried using battlog to log the usage but i cannot open the subsequent file at all.

Wiggz said:
Guys,
pretty much as the topic says...it drains about 40 to 50% a day when it is idle....if I am using it it can be anything up to a 1% a minute.
Any hints on where to look - tried using battlog to log the usage but i cannot open the subsequent file at all.
Click to expand...
Click to collapse
Wiggz,
Try checking if you're in a dead-zone with no reception? (Your phone may be constantly trying to search for a signal). Do this for Wi-Fi too. Make sure it is not constantly scanning for a network.
Similarly, open up your task manager. How many programs do you see running in the background? Remember that pressing X in Windows Mobile does not mean it closes the application, it only means that the application is minimized.
Cheers.

Wifi is hardly ever on. My signal is always constant, but I have my data connection on 24/7 for emails. The only program I ever see consume CPU power when idle is "changescreen". I always check that a program has closed properly when I click the 'x'.
I know data connection on eats some battery but jesus - not that much surely?

Wiggz said:
Wifi is hardly ever on. My signal is always constant, but I have my data connection on 24/7 for emails. The only program I ever see consume CPU power when idle is "changescreen". I always check that a program has closed properly when I click the 'x'.
I know data connection on eats some battery but jesus - not that much surely?
Click to expand...
Click to collapse
Wiggz,
The question remains, how many programs do you see when you open up the task-manager? You did not answer the question.
From what I've observed with my friend's Toshiba Portege, he lost 30% in an hour. He did not realize that he had 15-ish programs "idling" in the background with very little RAM use. Long story short: Turn everything off if you don't need it and just keep the Task Manager running. He now goes through the night with 1 ~ 2% loss.
Good day.

PoisonWolf said:
Wiggz,
The question remains, how many programs do you see when you open up the task-manager? You did not answer the question.
From what I've observed with my friend's Toshiba Portege, he lost 30% in an hour. He did not realize that he had 15-ish programs "idling" in the background with very little RAM use. Long story short: Turn everything off if you don't need it and just keep the Task Manager running. He now goes through the night with 1 ~ 2% loss.
Good day.
Click to expand...
Click to collapse
When I open up task manager I see 4 applications running (taskmgr, manila, cprog x2) - when I check the processes I have many more obviously. However these are all processes I'd expect to be running (gwes.exe, cprog.exe, device.exe, services.exe etc...)
Any more advice?

Wiggz said:
When I open up task manager I see 4 applications running (taskmgr, manila, cprog x2) - when I check the processes I have many more obviously. However these are all processes I'd expect to be running (gwes.exe, cprog.exe, device.exe, services.exe etc...)
Any more advice?
Click to expand...
Click to collapse
Wiggz,
Unfortunately, that's all from me (I dont even have this phone yet, I'm saving up for it in the next couple of weeks). Try turning off your data and see how it goes. But damn, 50% loss just on idling, something in the background is definitely killing the battery.
Cheers!

Thanks for the help anyway - annoying the crap out of me. My Artemis used to go for days without needing a charge...I suppose my battery could be screwed but I want to troubleshoot first before I bite the bullet on that one - suppose I could hard reset and see what the drain is?

Things idling in RAM should not have any significant hit on the battery life. However, having the data connection on 24/7 will indeed kill your battery life, especially if you're using 3g or higher (Edge drains alot aswell, but not as much as 3g and higher). Since emails seem important to you, I'm guessing you have it set to dl every 5min (which is the most frequent setting). If applicable, change it to 10 or 15; granted it's possible you do need to get your emails ASAP and you need the 5min frequency. Now regardless whether you changed the frequency of the auto dl or not, set your data connection to terminate after a 1min of not being used. This should help you get a good bit more out of your battery.
(I have emails dl every 30min and RSS feeds and push pages once an hour. Data enables itself when needed and then terminates after a minute of not being used. This allows me to get much more than a days usage out of the phone. The only way I kill the phone is if on top of all that, I listen to music/radio for about 6 hours)
Hope it helps
oh, and in case you don't know, HD Tweak is one way to terminate data after X amount of time of not being used.

do you have stock or cooked rom btw? duttys v3 xt, for example, is known to drain battery a lot.

Svegetto said:
oh, and in case you don't know, HD Tweak is one way to terminate data after X amount of time of not being used.
Click to expand...
Click to collapse
Cheers for this. I have HD Tweak and have tried that data connection termination setting before, however there is a little comment along with it that it can stop data and/or voice calls. Has anyone had any issues with it?
Thanks

i had similar problem, battery got drained overnight or during the day with a speed of light... but in my case the bad boy was Palringo (IM) which was auto starting with every phone reset and did not show on taskbar...it is so bad that it drained fully charged battery in aprox. 6-7 hours. so now i hardly use it, and whenever i do i make sure its closed properly....

Wiggz said:
Cheers for this. I have HD Tweak and have tried that data connection termination setting before, however there is a little comment along with it that it can stop data and/or voice calls. Has anyone had any issues with it?
Thanks
Click to expand...
Click to collapse
personally I have had no issues whatsoever. The voice calls that I'm guessing they're referring to is VOIP which uses your data plan to make the call as I don't see why it would interfere with normal calls. I think the easiest thing is just to give it a try, and if it doesn't work for you, then let us know and hopefully we'll be able to come up with a different solution.

Svegetto said:
personally I have had no issues whatsoever. The voice calls that I'm guessing they're referring to is VOIP which uses your data plan to make the call as I don't see why it would interfere with normal calls. I think the easiest thing is just to give it a try, and if it doesn't work for you, then let us know and hopefully we'll be able to come up with a different solution.
Click to expand...
Click to collapse
Well the reason I mentioned it was that I enabled that as one of a number of weaks and ended up having to hard reset as I wasn't getting Texts in a timely manner etc....it was probably another setting but I couldn't be sure.
Will try again. Only other thing is that data connection on 24/7 is great for a quick browse here and there and stock updates etc...

crashDebug said:
do you have stock or cooked rom btw? duttys v3 xt, for example, is known to drain battery a lot.
Click to expand...
Click to collapse
why is that, by the way?

You haven't got Sprite Virtual Mobile installed have you? I tried it out on my HD and it sucked the life out of it for some strange reason. And it wasn't even showing up in task manager.

Is there a list of processes, services etc that we can safely remove/disable to work in the background? What say all?

glad this thread came up - my blackstone has been absolutely fine until I had the genius idea of "optimising" everything about 2 weeks ago with HD Tweak...
Now it's not HD Tweaks fault, but whatever I have changed means that it can drain a full charge overnight, and by morning its nigh on empty, i'm going to try and change it all back today, but for sure some setting I've changed is sucking juice like no-ones business.
FWIW - I havent installed anything during this time, the only thing i've changed is some of the settings - so it's not a "rogue" app draining the battery.
OT - sorry for the semi-hijack - I guess my point is that i'll have a play with the settings and see if I can determine what's eating the battery and then compare with other people.

that's fine (re: hijack) I think the two topics are closely connected.....not sure of the answer though

Wiggz said:
that's fine (re: hijack) I think the two topics are closely connected.....not sure of the answer though
Click to expand...
Click to collapse
ta - me either - i've changed a few settings and made a note - will post if it doesnt eat the battery overnight over the next couple of days.

Any Battery power saving tips?

So as the thread name states does anybody have any tips for helping have the WildFire's batterey last longer?
So far ive turned the screen brigtness down by half of what it was & turned off touch vibration.
Any other tips?

ATOJAR said:
So as the thread name states does anybody have any tips for helping have the WildFire's batterey last longer?
So far ive turned the screen brigtness down by half of what it was & turned off touch vibration.
Any other tips?
Click to expand...
Click to collapse
I have not tried many things but one thing i am pretty sure of is go to MARKET >>>> Download and use Advanced Task Killer .. kill the running apps.. i leave my installed keyboard..and mobile security app ON rest most of them i kill... its a useful app.. i mean why to keep music app or weather app or news app or messaging app running when u are not using them..
Have Fun

warriorvibhu said:
I have not tried many things but one thing i am pretty sure of is go to MARKET >>>> Download and use Advanced Task Killer .. kill the running apps.. i leave my installed keyboard..and mobile security app on rest most of them i kill... its a useful app.. i mean why to keep music app or weather app or news app or messaging app running when u are not using them..
Have Fun
Click to expand...
Click to collapse
Yeah ive been using the Advanced Task Killer for a while now already.

I have read that usage of ATK is not required at all because of Androids near perfect RAM Management. And you also could come into trouble because android looses a small amount of ram capacity every time you use ATK untill the next reboot.
other than that you could try Juice Plotter and Juice Defender

find a app can auto turn on/off fly mode.
I ve tried Juicy defender, it seems not fit wildfire very well, some function not working. like auto fly mode, and auto turn off wifi when over 50M.
(btw,it will change your apn setting,cause me can not connect after uninstall it.)
after 1 month, I found navigation app take me 80% of battery.like google map/navi.

rasenzhang said:
find a app can auto turn on/off fly mode.
I ve tried Juicy defender, it seems not fit wildfire very well, some function not working. like auto fly mode, and auto turn off wifi when over 50M.
(btw,it will change your apn setting,cause me can not connect after uninstall it.)
after 1 month, I found navigation app take me 80% of battery.like google map/navi.
Click to expand...
Click to collapse
use the automatic brigtness option under the phone settings. much better batterty performance

Read:
http://forum.xda-developers.com/showthread.php?t=712990
http://forum.xda-developers.com/showthread.php?t=701567
Not sure if these steps actually improve the efficency of the battery OR wheter the S/W behind the battery guage becomes more accurate as it goes through a process that alows it to better estimate the SOC of the battery.
Andy

Yup, even I have read a lot that Android manages the apps in a beautiful way. When I first used Android, the first question that came to my mind was how to exit apps as none of the apps had an exit button. Coming from nokia, sony erricson etc this was an obvious question to ask. Then after some research I found that Android just freezes the apps when we go back. The app is not actually running in the back end.
But anyway, yesterday my battery again went to 8% and on checking the used status, it showed that the android system used 92% of the battery lol.
One more thing I would like to suggest is that there is a Power control widget built in the wildfire. Its pretty useful to decrease the brightness, turn off gps, wifi etc from the home screen itself.

sumeetchawla said:
One more thing I would like to suggest is that there is a Power control widget built in the wildfire. Its pretty useful to decrease the brightness, turn off gps, wifi etc from the home screen itself.
Click to expand...
Click to collapse
Thanks for this!
I installed this widget and it said that GPS was on even though it wasn't appearing in the tool bar along the top. I had run several apps that use GPS, but had assumed if the GPS icon was gone, GPS was off.
Is that wrong?
(good news if it is, as I was struggling to keep enough power to in my phone to get through the day without charging)
joan

Avoid task killers like the plague. They cause more problems than they solve. Trust the android os to manage ram.
Just discovered the most powerful app I have ever seen called "Tasker". It its only £4, but will make your android so much more diverse. You can, for example, have it go into airplane mode between certain times (i have between midnight and 6am) but periodically check for sms or voice mail every hour. It saves stacks of battery.
I have it turning wifi on only when it knows I'm at home or at work.
I have it turning off wifi, dropping screen brightness down, and playing a louder notification when battery gets to 15%.
It silences my phone when I get within 100m of the two cinemas I use.
It is not the most easy app to use, be patient with it. Look up some of the "recipes" on the internet to get a good tutorial on how to work it. £4 is a steal for something so potentially vast. Its limited only by your imagination.
Oh and having run Tasker for 24 hours, (how long my battery normally lasts) only contributes to a 2% drain, and its adding roughly 6 to 8 hours extra! It would cost you ten times that for an extended battery!

I use an free app called timeriffic to auto disable WiFi
Sent from my HTC Wildfire using XDA App

Try program JuiceDefender....you can download free from Android market.

my battery life is really awful too,i noticed it a couple days ago,that it drains to fast,so i started looking into it,and i found out,that my device won't go too sleep. so in settings/about phone/battery the awake time and up time are the same. i had similar problems on my hero, but there it was the messaging apps fault.
here, i kill everything with advanced task killer,it still can't go too sleep,android battery use shows,that android system is using most of the battery.
anybody else with similar problem?solutions? i have stock 1.25 rom rooted with unrevoked.

What? You mean your screen is permanently on? .....
Ive head bad things about using task killers too, I dont use on anymore.
Some things i have done that have helped my battery like quit alot actually is turn off Wi-Fi, Turm off GPS, Turned off haptic feedback(vibration when pressing buttons), Screen brightness to automatic & screen timeout too 15 seconds.
I can now have a really good fiddle with the phone and it can last more than a day without needing a charge.

As I understand when screen goes auto shut off, all apps are idle, even WiFi or gps is on. I tried with music on continuously for 2 hrs in flight mode, I still have about 80% power. With gps on for 1 hr continuous, I still have about 80%. With normal use my power can last the whole day.
Sent from my HTC Wildfire using XDA App

ATOJAR said:
What? You mean your screen is permanently on? .....
Click to expand...
Click to collapse
no,the screen turns off,but something still runs in the background what eats the battery,and I can't find out what it is. I tried multiple task managers,and they show that everything is closed.i have it in flight mode,with everything turned off,still something runs,what shouldn't.

Did you solve this? It's happening on my phone now, and it's very frustrating.
(just installed ATK - very scary the apps I never use are running) and killed everything except ATK. Touch the power switch to turn off the screen. 15 minutes later, up time and awake time are still the same.

jefmcg said:
Did you solve this? It's happening on my phone now, and it's very frustrating.
(just installed ATK - very scary the apps I never use are running) and killed everything except ATK. Touch the power switch to turn off the screen. 15 minutes later, up time and awake time are still the same.
Click to expand...
Click to collapse
2 updates from me, to help anyone else with similar problems:
1) I uninstalled any recently installed or updated apps** and widgets now I have a 1:6 ratio of awake time. So, fixed?
2) In the meantime I logged a call to HTC via their website. Answer:
With regards to your problem, if the battery is going down significantly and you have turned of applications when your not using them and used task killer. It might be better to call us up so we cann look into it further and we might have to book the phone in for repair especially if you have noticed it not charging properly or overheating at any time.
Click to expand...
Click to collapse
.
Yup, those problems started occurring at the same time as the other, so it looks like I have an underlying hardware fault. Dammit! I don't want to be without my phone for 2 weeks.
joan
**including CardioTrainer! When I reinstalled it I'd lost around 900km of workout history.

Just out of curiosity
What gain of time are we actually talking about here ?
I tried lots of different things but never suceeded to receive more than two full days.
What is your max. with all the different programs and hints ?

ebioman said:
Just out of curiosity
What gain of time are we actually talking about here ?
I tried lots of different things but never suceeded to receive more than two full days.
What is your max. with all the different programs and hints ?
Click to expand...
Click to collapse
If you are asking me, the answer is "about 6 hours".
I've (partially) fixed my uptime = awaketime problem. But I obviously have some more serious battery issue.
Hopefully someone else can chime in with happy battery life.
joan

Battery dying very quickly - what to do?

My Evo battery is draining at a rate that is all together too fast. I took it off the charger about 3.5 hours ago and it has drained about 30-40%. I have not made a call nor used the net at all save for the receipt of 3-4 emails. I had a rooted phone but I reset the phone back to complete unrooted stock. I have not even so much as installed an app. What can I do about this?

turn off your mobile data when not in use. This will save tremendous amounts of battery.

if you search the forums you should find countless threads on battery and how to find out what is draining your battery and to extend life.
not sure why you would unroot unless you were exchanging it at sprint store but it greatly limits what you can do to help prevent battery drain. If you dont want to mess with much jsut use a rooted stock rom and it is pretty much the same thing as being unrooted but you keep the extra rooted benefits.
your best bet on non rooted device make sure mobile data, 4g, auto orientation, bluetooth etc are turned off. do the HTC battery condition/charge trick. and turn off background sync.
my suggestion is to re root and look into undervolted kernels and many other battery saving tricks found using search!
hopefully it helps some.

I had the same problem OP.
Turns out my radios weren't update.
Head over to the developer section and download the newest radios and stuff.

I've seen significant improvement of my battery life by using Collin_ph Battery Tweak 1 that was offered by Myn's when I flashed his/her's rom. I had my BF take his Evo to work after he come home complaining that the charge would only last about an hour or two and behold, he got through the whole day without having to charge his battery. This is after listening to music at work for 8 hours also. I HIGHLY recommend this tweak for ROOTED PHONES as I and everyone else I've recommended loves their Evo now and have no complaints...I'm at work right now and I'm at 79% and when I usually get home the battery is either still green (full) or orange (med) charge. I'm not sure if this tweak can be used with other mods but I'm very happy with this tweak as it has made my phone perfect now~~

Could be a Rogue app running killing your battery or radios not updated like stated above.

I recently started having the same issue. Advice such as turning of data and the GPS aren't helpful since the device functioned fine with GPS and data on before. Also if the battery was draining at a slower rate on the current radio before, you shouldn't need to update it, should you?
Seems that either something is making the Evo use more juice than it was before or that the battery is not holding the same capacity it used to. For some reason Phone Idle and Cell Standby have been using quite a bit more juice than they used to.
I don't like some of the software mentioned to try and locate anything that could be using more juice since those programs seem to use quite a bit themselves. Either way, what could be doing it that would come up as Phone Idle or Cell Standby in the included battery monitor? Wouldn't anything else come up under Android System?
The battery draining that quickly is not normal even with background sync, GPS (idle), 4g, data, or anything else on. There is another issue which must be solved. To troubleshoot so far I've tried another battery (same thing happens) and now I'm trying with everything turned off. If I can isolate what was causing my sudden rapid battery drain, I'll update everyone. This just started a couple nights ago for me. I think I'm on the latest radio, but I'll check.

Last post sums up my problem perfectly. I have an extended battery that lasts half the time it has over the last 4 months. Started with the radio updates. running myk

Use the battery usage functions of 'spareparts' to determine what's consuming cpu or preventing the phone from sleeping.
Can't fix the problem until you've isolated what's at fault.
Turning off mobile data will indeed fix a problem of some app trying to access the network, but it won't solve the actual cause.

bcarter2000 said:
turn off your mobile data when not in use. This will save tremendous amounts of battery.
Click to expand...
Click to collapse
I think juice defender does this automatically when the screen is off.

In the case of my phone, and I believe the OP's, we don't have any rogue apps or things running in the background. I know this phone like the back of my hand. I have completely uninstalled unnecessary apps like facebook, twitter, all things like news and weather are on manual update, i don't keep 4g or gps on, and I use wifi at home. I turn off 3g in terrible reception areas. I'm not a new user who doesn't understand the basic ways to save a little battery. I'm pretty sure the OP isn't either by his post. I use my phone the same every day. My chinese extended battery would last me easily from morning to bedtime with 20 to 30 percent to spare. Now I can't get near that after the radio updates. Since it's been well known that something is weird with these current updates, I've downgraded to 1.77 to see if that helps. My phone was sleeping fine though, so I don't know how much it will help. Always some BS with this phone.

Log out of gtalk and latitude. Those two seem to kill battery.

Bielinsk said:
Log out of gtalk and latitude. Those two seem to kill battery.
Click to expand...
Click to collapse
I appreciate it. I really do. But that is exactly the things I'm saying are already off. GTalk is turned off immediately on my phone from the jump and latitude has never been opened. It's got to be radios. I guess I'm not really asking a question, I'm just telling the OP he isn't alone.

cruecu said:
I appreciate it. I really do. But that is exactly the things I'm saying are already off. GTalk is turned off immediately on my phone from the jump and latitude has never been opened. It's got to be radios. I guess I'm not really asking a question, I'm just telling the OP he isn't alone.
Click to expand...
Click to collapse
this is the thread with flashable .zips of alllll the radio updates ever out for the EVO.
http://forum.xda-developers.com/showthread.php?t=715485&highlight=radio
if you are having trouble after a radio update, just try some of these other radios and see if that helps

Your best bet would be to root your phone again and give one of the SBC kernels a shot. I'm running CM 6.1.2 along with Zendroid 1.1.0 BFS AVS SBC and I can easily get 16+ hours with HEAVY use. And when I say heavy use, I mean hundreds of sms, dozens of calls and lots of websurfing. You will love the SBC kernels. Give it a try.
PS. My name is HondaCop and I approve this message.

We can offer suggestions until we're blue in the face.
First off, the OP needs to provide specifics of what's installed on the device, including rom, kernel, radio, etc, not to mention the hardware version itself.
Assuming it's not the known pri /rom conflict, then determination needs to be made as to what's actually consuming cpu - see first sentence above.
Need to use a systematic approach to troubleshoot this, otherwise it's a waste of time.

hgelpke said:
My Evo battery is draining at a rate that is all together too fast. I took it off the charger about 3.5 hours ago and it has drained about 30-40%. I have not made a call nor used the net at all save for the receipt of 3-4 emails. I had a rooted phone but I reset the phone back to complete unrooted stock. I have not even so much as installed an app. What can I do about this?
Click to expand...
Click to collapse
That sounds like a very weak cellular signal is forcing the radio to keep searching for it, draining the battery very quickly.
One way to somewhat alleviate this problem is to force roaming, to connect to a provider with a better signal.
"Roam Control" app does this (Market).

gpz1100 said:
We can offer suggestions until we're blue in the face.
First off, the OP needs to provide specifics of what's installed on the device, including rom, kernel, radio, etc, not to mention the hardware version itself.
Assuming it's not the known pri /rom conflict, then determination needs to be made as to what's actually consuming cpu - see first sentence above.
Need to use a systematic approach to troubleshoot this, otherwise it's a waste of time.
Click to expand...
Click to collapse
Dude....This is the best post in this thread...
Sometimes I wonder how far android users went in school....is scientific method lost these days? By no means am I qualified to help here..so my flamesuit is on for the post but damn.."my ****z broke...halp" won't cut it in a developer forum...
"it works on my machine"....words to die by.

d3x502 said:
....is scientific method lost these days?
Click to expand...
Click to collapse
What's that??????

d3x502 said:
Dude....This is the best post in this thread...
Sometimes I wonder how far android users went in school....is scientific method lost these days? By no means am I qualified to help here..so my flamesuit is on for the post but damn.."my ****z broke...halp" won't cut it in a developer forum...
"it works on my machine"....words to die by.
Click to expand...
Click to collapse
Actually,
some android users looked at the posting date, saw that the op hasn't updated in over 24 hours, wanted to complain about it, decided against it, posted quickly the most useful idea they had.
All that while doing real science.

[FIX] Battery drain from Awake bar constantly on

First and foremost, this will only apply to you if you have seen the following symptom:
You go to Settings -> About phone -> Battery usage -> click on the graph above and see "Awake" as a solid bar instead of (mostly) lining up with the "Screen on" spotted bar below. Here's my previous thread of when I discovered this issue when my "Awake" bar showed solid for an entire 8 hours when my "Screen on" would show frequent off/on's:
http://forum.xda-developers.com/showpost.php?p=13938317&postcount=772
I found my SGSII was getting decent battery life, but idle was certainly worse than my SGSI. I couldn't figure it out for the life of me what could be causing it given I was running the exact same apps as my SGSI 2.2.1 handset, but the solid Awake bar did not sit well with me.
Observations:
1) After 8+ hours of solid Awake, I would have no apps running under Settings -> Applications -> Running services except for those that I normally would expect in the background... Settings, NoLED, Google Voice, Swype, etc.
2) I noticed that under this "Running services" screen, if you hit Menu and select "Show cached processes," there are actually other cached processes that are in a semi-dormant state. Are they running or are they not? Hmmm....
3) After a system restart, the Awake and Screen on would line up once again.
Suspicion/Hypothesis:
Some app that I normally have running... even if I completely exit out of, it would sit under cached processes and somehow still keep the device awake.
Testing:
First, wanted to see which app when normally running would keep the phone "Awake." After a few days of testing, isolated it down to eBuddy, which is a chat client I used to have running nonstop on my Froyo SGS. So, after several hours of running eBuddy and seeing a solid Awake bar, I exited out of eBuddy properly (Menu -> Exit), ensured it was no longer running under Running services, and tested it for another 4 hours. Sure enough, with the device mostly idle and eBuddy shutdown, the Awake remained solid/on!
So, I then revisited Settings -> Applications -> Running services -> Menu -> Show cached processes, I saw eBuddy was still cached and taking up memory. So, I clicked on the process and chose Force stop. Afterwards, I let the device idle for a few hours more, and the Awake and Screen on lined up once again.
Conclusion:
I'm not sure if this is a Gingerbread bug or eBuddy bug or a combination thereof, but something changed in the code from Froyo to Gingerbread. Probably has to do with this caching feature, but there ARE apps out there that will keep your device constantly on even if you do properly exit out of them.
Solution:
I used to run "Advanced Task Killer" on my SGS with Froyo but never bothered with Gingerbread because people much smarter than me on here have said time and time again "it's not necessary for Gingerbread, you're wasting time/battery life." Well, that still may be true, but given there are these rogue apps that will cause Gingerbread to stay constantly awake, Advanced Task Killer is the best solution at this time.
(It may not be pretty, but hey, it works.)
So, I installed Advanced Task Killer, did a fresh boot, put all the system apps and other apps I don't want ever shut down (Email, Swype, Settings, etc) on the ignore list, turned the kill setting to every hour, and let it sit. I can say for the past 2 days, my idle battery life has improved significantly. Normally by the end of my work day, I'd be skimming along around 40-50%. (Keep in mind, I use the phone primarily for business, which means 2 push E-mails, 2 pull E-mails, constant text messaging, and lots of phone calls.) The last two days, I have been easily at 70-80% by the end of the day. For instance, right now at 4PM CST, I am still at 82% remaining battery.
Also, keep in mind, I have just about EVERYTHING else I don't need frozen/uninstalled through Titanium backup. This includes but not limited to WIFI Sharing, all the hubs, all the readers, all the SNS junk, AP News, Accuweather, etc.
And the most telling bit that the fix is working: My Screen on and Awake line up perfectly with no more solid bar for Awake. And, this is even after running eBuddy last night.
I know this won't help everyone, but hopefully, it will be of use for some of you. Good luck!

If you're managing to kill apps that keep the phone awake, does it prevent you from receiving messages on eBuddy when the screen is off?

dinan said:
If you're managing to kill apps that keep the phone awake, does it prevent you from receiving messages on eBuddy when the screen is off?
Click to expand...
Click to collapse
Interesting question. I had Advanced Task Killer running all last night, and I woke up to messages in eBuddy in the morning. So, my immediate answer to you would be "no," but this will probably take more testing.
Maybe, I'll set ATK to an aggressive 15 minute kill, and have someone message me after 15 minutes of idling with eBuddy running...
I have noticed that with eBuddy actively running, you cannot select it under ATK and kill it. You must exit out of eBuddy properly (Menu -> Exit) for its active process to shut down. Little did I know though... it would still float around in your "Cached processes" afterwards and keep your device Awake!

Well I've been using ATK since this morning and I can't find any change in Android OS ..
It's still high..
Anyway ATK reports that all the games I downloaded from gameshub are active..
And even if it kills them, they appear again in like 10 minutes.. It's really wierd

TMaLuST said:
Well I've been using ATK since this morning and I can't find any change in Android OS ..
It's still high..
Anyway ATK reports that all the games I downloaded from gameshub are active..
And even if it kills them, they appear again in like 10 minutes.. It's really wierd
Click to expand...
Click to collapse
I don't use game hub, but I do have a bunch of games on my device, including the larger Gameloft games. And, I can say for a fact that I do not have any of them ever running in the background.
Something else is keeping them alive, and has nothing to do with ATK. ATK will only help to kill cached processes, but if something is launching them again, that's what you need to look into stopping.

Well.. I do not like tools like the Advanced Task manager.. BUT looking at battery drainage it seems to do wonders!
8 hours of light usage (display 45 mins) --> 75% battery left
3g on (with JuiceDefender à 30 mins) + sync (so I receive whatsapp messages & mail etc)
Listened to music / radio for about 1-1.5 hours
Android OS is sadly still at 36%, Display at 22%
But this I can live with !
Thanks!
[edit]
It would obv. be nicer to be at 80+% without that Android bug... Ah, and I did delete / freeze all that Samsung crap with Titanium, didnt really help much! I can also recommend getting CPU spy to see how much your phone actually is in the sleep mode (around 80% for me!)

Breece said:
Well.. I do not like tools like the Advanced Task manager.. BUT looking at battery drainage it seems to do wonders!
8 hours of light usage (display 45 mins) --> 75% battery left
3g on (with JuiceDefender à 30 mins) + sync (so I receive whatsapp messages & mail etc)
Listened to music / radio for about 1-1.5 hours
Android OS is sadly still at 36%, Display at 22%
But this I can live with !
Thanks!
[edit]
It would obv. be nicer to be at 80+% without that Android bug... Ah, and I did delete / freeze all that Samsung crap with Titanium, didnt really help much! I can also recommend getting CPU spy to see how much your phone actually is in the sleep mode (around 80% for me!)
Click to expand...
Click to collapse
Yeah, I wouldn't run ATK unless I absolutely have to. Like I said in my first post, it is a "brute force" method of ensuring apps are completely closed out and there are no rogue cached processes keeping your device awake. Since I've installed it, the "solid Awake bar" phenomena is completely resolved... and in return, I get much better battery life.
And yes, this is of course on top of freezing just about everything Samsung and anything else I don't need or care to use.

Couldnt agree more!
One questions, what is your "Android OS" % at?

Breece said:
Couldnt agree more!
One questions, what is your "Android OS" % at?
Click to expand...
Click to collapse
8%... Display is at 62%, LOL.

Interesting ^^ Oh well.. my battery life should improve but if it stays like this I am fine with it...

Oh Hope ?
Nah, i will try it

cmd512 said:
....
Solution:
I used to run "Advanced Task Killer" on my SGS with Froyo but never bothered with Gingerbread because people much smarter than me on here have said time and time again "it's not necessary for Gingerbread, you're wasting time/battery life." Well, that still may be true, but given there are these rogue apps that will cause Gingerbread to stay constantly awake, Advanced Task Killer is the best solution at this time.
(It may not be pretty, but hey, it works.)
So, I installed Advanced Task Killer, did a fresh boot, put all the system apps and other apps I don't want ever shut down (Email, Swype, Settings, etc) on the ignore list, turned the kill setting to every hour, and let it sit. I can say for the past 2 days, my idle battery life has improved significantly. Normally by the end of my work day, I'd be skimming along around 40-50%. (Keep in mind, I use the phone primarily for business, which means 2 push E-mails, 2 pull E-mails, constant text messaging, and lots of phone calls.) The last two days, I have been easily at 70-80% by the end of the day. For instance, right now at 4PM CST, I am still at 82% remaining battery.
Also, keep in mind, I have just about EVERYTHING else I don't need frozen/uninstalled through Titanium backup. This includes but not limited to WIFI Sharing, all the hubs, all the readers, all the SNS junk, AP News, Accuweather, etc.
And the most telling bit that the fix is working: My Screen on and Awake line up perfectly with no more solid bar for Awake. And, this is even after running eBuddy last night.
I know this won't help everyone, but hopefully, it will be of use for some of you. Good luck!
Click to expand...
Click to collapse
WORKED FOR ME AS WELL< EXCELLENT!!!
Task killer is a must
Uninstalling/freezing rogue Samsung apps is a must
ONLY THE COMBINATION WORKS and it works well indeed.

Mmm bizarre! I was waiting for the hordes of people telling you that 'task killers' are unnecessary and stupid.
Thank you very much for your findings.

On my SG2 The android System process is eating almost all my battery! any solution for that?

rdy2go said:
WORKED FOR ME AS WELL< EXCELLENT!!!
Task killer is a must
Uninstalling/freezing rogue Samsung apps is a must
ONLY THE COMBINATION WORKS and it works well indeed.
Click to expand...
Click to collapse
cigaro78 said:
Mmm bizarre! I was waiting for the hordes of people telling you that 'task killers' are unnecessary and stupid.
Thank you very much for your findings.
Click to expand...
Click to collapse
Glad to hear it's working for you guys. With Advanced Task Killer running in the background, I haven't had the "solid Awake bar" reappear again... my Awake bar is always segmented and match up fairly well with my Screen on bar.
Idle battery life is very much acceptable now and definitely no worse than my SGS.

I've always enjoyed your posting and i'm glad you didn't just jump on the bandwagon like everyone else. This is definitely the type of posting we need where everyone work together to solve/identify the issues at hand.

ph00ny said:
I've always enjoyed your posting and i'm glad you didn't just jump on the bandwagon like everyone else. This is definitely the type of posting we need where everyone work together to solve/identify the issues at hand.
Click to expand...
Click to collapse
Appreciate the kind words. Like I said in my first post, many people much smarter than me/in-tune with Android have said it's unnecessary. But, you're right... there are way too many "DO THESE STEPS AND IT WILL FIX EVERYTHING" posts on here with 0 to little evidence to back up the claims. In the end, nothing beats thorough testing and proven results.
I for one hope 2.3.4 resolves this bug... ultimately, I'd like to not have to run ATK altogether. But for now, this is a solution that works.

cmd512 said:
Appreciate the kind words. Like I said in my first post, many people much smarter than me/in-tune with Android have said it's unnecessary. But, you're right... there are way too many "DO THESE STEPS AND IT WILL FIX EVERYTHING" posts on here with 0 to little evidence to back up the claims. In the end, nothing beats thorough testing and proven results.
I for one hope 2.3.4 resolves this bug... ultimately, I'd like to not have to run ATK altogether. But for now, this is a solution that works.
Click to expand...
Click to collapse
It works with Freezing/Uninstallin Samsung "bad apps" (WiFi Sharing, Social Hub, etc.). I suggest you emphasize that more in your initial post.
ATK itself helps but ATK is always late (30 minutes or one hour).
That's what I recommend to freeze/uninstall without crippling core functionality:
1 WiFi Sharing and WifiManager
2 Samsung apps (Social Hub, Days, Yahoo Finance, AP News, Games Hub, Readers Hub, Music Hub, AccuWeather)
3 Voice Command Uninstalled using Titanium
It's based on my testing using OS Monitor / ATK - those apps tend to wake up phone for no reason even when you don't use them.
Now it's 24 hours with 4 hours of screen on, no Juice Defender etc.
It works better than SGS (one) despite huge screen and excellent speed.

rdy2go said:
It works with Freezing/Uninstallin Samsung "bad apps" (WiFi Sharing, Social Hub, etc.). I suggest you emphasize that more in your initial post.
ATK itself helps but ATK is always late (30 minutes or one hour).
That's what I recommend to freeze/uninstall without crippling core functionality:
1 WiFi Sharing and WifiManager
2 Samsung apps (Social Hub, Days, Yahoo Finance, AP News, Games Hub, Readers Hub, Music Hub, AccuWeather)
3 Voice Command Uninstalled using Titanium
It's based on my testing using OS Monitor / ATK - those apps tend to wake up phone for no reason even when you don't use them.
Now it's 24 hours with 4 hours of screen on, no Juice Defender etc.
It works better than SGS (one) despite huge screen and excellent speed.
Click to expand...
Click to collapse
Well, freezing and ATK are needed to reach 2 separate goals:
1) Freezing: Needed to completely disable apps you plan on NEVER using.
2) ATK: Needed to completely close out apps you DO use when they stay cached/rogue in the background and keep your device awake.
So I do agree with you, freezing is absolutely necessary, but it really is the bare minimum. You still need ATK on top of that to actively seek out and kill battery draining apps.

I can confirm, OP solution works great on me. Thanks..

Battery Life Tips and Tricks Thread

I've noticed this phone has hit or miss battery life depending on what you have installed, greenified and frozen. I thought it would be a good idea to create a thread where everyone could share their battery life tips and tricks on this phone.
Below I posted what I have done to maximize battery life. I have not rooted my phone yet, so none of the below tips require root.
I disabled all bloatware apps that came with the phone. I did not disable any of the Asus applications.
I utilize the Asus autostart manger and denied auto start to all my applications except music applications, messenger applications, and google photo sync.

battery sucks. drain to much.

Just use until you have 5% free battery, this should make at least your day
With Android OS taking so much thanks to lollipop, there is not a lot to hope.

We wont see a good battery improvement until we get 5.1
Luckily, that is in the future for this device acc. to Asus.

Since the issue seems to primarily be Android os draining the battery I don't think most battery saving measures will make a difference. We will just have to wait for an update

When I was looking at the phone reviews people were claiming 8 hours screen on time, I can barely get 2 hours screen on time.
The problem I'm having is that the phone never goes to sleep and is constantly awake. Has anyone else seen this issue?

facelessloser said:
When I was looking at the phone reviews people were claiming 8 hours screen on time, I can barely get 2 hours screen on time.
The problem I'm having is that the phone never goes to sleep and is constantly awake. Has anyone else seen this issue?
Click to expand...
Click to collapse
I had the same problem after the latest update, no deepsleep in BetterBatteryStats (I'm rooted), I wiped everything and now it goes to deepsleep.

marcof93 said:
I had the same problem after the latest update, no deepsleep in BetterBatteryStats (I'm rooted), I wiped everything and now it goes to deepsleep.
Click to expand...
Click to collapse
Which firmware version are you on. I've wiped the phone once already, did you clear any caches? It's driving me mad

facelessloser said:
Which firmware version are you on. I've wiped the phone once already, did you clear any caches? It's driving me mad
Click to expand...
Click to collapse
I'm on 2.18.40.12 (ZE551ML of course), I restored the phone from backup & restore in settings (It may take 30 minutes or more). Before restoring I had 45+% of Android OS during the night, now 20% more or less, but, as said, also in BBS I can see deepsleep in frequencies.

Someone posted on Zentalk to turn off remote lock and scan for security threats in google settings. Not sure if it helps or not.

marcof93 said:
I'm on 2.18.40.12 (ZE551ML of course), I restored the phone from backup & restore in settings (It may take 30 minutes or more). Before restoring I had 45+% of Android OS during the night, now 20% more or less, but, as said, also in BBS I can see deepsleep in frequencies.
Click to expand...
Click to collapse
I wiped my phone yesterday and restored back up like you suggested and it seams to have sorted out my wake lock issue. I wonder why that is?

facelessloser said:
I wiped my phone yesterday and restored back up like you suggested and it seams to have sorted out my wake lock issue. I wonder why that is?
Click to expand...
Click to collapse
Glad you solved, but don't know why, maybe they are working hard on the firmware and there are lot of changes that can cause problem, maybe we have to wipe after every update, Intel processor and Lollipop are so unstable right now!

toebus said:
Someone posted on Zentalk to turn off remote lock and scan for security threats in google settings. Not sure if it helps or not.
Click to expand...
Click to collapse
It helps..i turned andriod device manager too

Ok so this is my battery with a normal day of use... Tomorrow ill show the results with your sugestions. My normal days have gsm calls(normal phone calls) whasapp (chat) youtube, twich, game like plant vs zombies 2, look at gmail, surfing internet, taking pics like 25 today.
I notice that battery drains a lot more while photo app open.
I use doble sim as you can see

If you want to test app battery drain, try GSAM Battery Monitor, or for some extra functionality the Pro version. Also very useful to determine what is causing wakelocks when you run into them.

Sammaul said:
If you want to test app battery drain, try GSAM Battery Monitor, or for some extra functionality the Pro version. Also very useful to determine what is causing wakelocks when you run into them.
Click to expand...
Click to collapse
Really interesting app ill download tomorrow im tring to lock some functionalities from google like sending data for app security and after that will download this and tell you what i got
Thank u sir thats a good one

Everyone is always wondering about Android using the most battery. Without doing some in depth debugging and tracing I would guess Houdini falls under Android. Because the ZenFone 2 uses the Intel processor a binary conversion for ARM instructions takes place with Houdini. More than likely you have a lot of apps native for ARM.

Force closing asus support app and zenui services app from apps setting gives me good amount of battery boost. Apart I have also disabled google books, movies, plus etc. I don't know if its placebo effect but someone can try and confirm. These app tend to restart at times so if you feel the battery decreasing at high rates again, make sure you force close them again.
Roughly speaking, I tend to get 3-5 min per percentage of screen on time with this which totals to 5 to 6 hrs on SOT on continous usage. Without the apps being force closed, I barely get 2min/%. The usage scenarios are normal web browsing, chats etc. This is using mobile data. It gets even better with wifi.
Try and let me know if this helps.

Maybe I don't use my phone as much as other people. I posted this last night on another forum. My phone was unplugged at 07:00, It's now 21:00. I have 80% battery left and the battery monitor shows 3 days left
I have received email, 3 phone calls and text messages. I checked Twitter a couple of times with the browser. I have read Google News a couple of times and played GSN Casino for about 20 minutes.
In Auto Start Manager I turned off Docs, Sheets, Skype, Slides, Translate, Amazon Kindle, Data Transfer and Web Storage. Everything else is Allow, but I have no social networking applications installed.

Its looks like battery life is a right mixed bag. At the start of the week I was suffering wake lock issue, my phone wouldn't go into deep sleep and was constantly awake. I wiped and restored from backup which seams to fix the issue.
Got up this morning and it looks like the wake lock issue is back. I don't know what to do to fix it.
Feel like giving up on the phone and sending it back if I can