Battery drained with JB.. - Asus Eee Pad Transformer Prime

I see that the major cause of battery usage is the WiFi, exactly like it was on WW28, the worrying thing is that I also spotted that during the night, the Prime lost 2%, even though all stuff was turned off with the Prime in sleep
All Sync, WiFi and all the things that could use WiFi are turned off and all "checks" are set in settings that could be checked/unchecked.
On WW28 and using the modded prop, I never lost a % during night.. so maybe the only way to have it working good again is to have a new prop suitable for the JB (I asked in the proper thread in Dev. forum)
Any other experiencing battery drain with JB? And especially a higher WiFi battery usage again?

bimbobo said:
I see that the major cause of battery usage is the WiFi, exactly like it was on WW28, the worrying thing is that I also spotted that during the night, the Prime lost 2%, even though all stuff was turned off with the Prime in sleep
All Sync, WiFi and all the things that could use WiFi are turned off and all "checks" are set in settings that could be checked/unchecked.
On WW28 and using the modded prop, I never lost a % during night.. so maybe the only way to have it working good again is to have a new prop suitable for the JB (I asked in the proper thread in Dev. forum)
Any other experiencing battery drain with JB? And especially a higher WiFi battery usage again?
Click to expand...
Click to collapse
Mine is the complete opposite lol
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Ziocomposite said:
Mine is the complete opposite lol
Click to expand...
Click to collapse
The difference might be explained by the fact that if you use more "brightness" than I do, then the percentage of what screen and wifi use may vary.
My screen brightness is 20% then my value for screen is lower than yours and the battery higher, because that's the proportional values.. I think.

That's the best part, the tablet is usually 1-25% brightness the majority of the time. Prior to JB, similar usage would have wifi taking close to or above 2-1 ratio. <3 this update

I've found that I've got about 5% increase in battery life. There are new Power Saver section in settings so you might want to mess with those and see if it helps. From what I've seen it's really only to turn stuff off at a user defined power %. Still, check it out.

theandies said:
I've found that I've got about 5% increase in battery life. There are new Power Saver section in settings so you might want to mess with those and see if it helps. From what I've seen it's really only to turn stuff off at a user defined power %. Still, check it out.
Click to expand...
Click to collapse
Thanks, but I did that.
I found a bug too.
When you change the power settings from the quick settings window in the "desktop", the changes are not recognized in the "power setting" you refer too, you have also to change there.
So if I choose balanced one place I have to do the same in the other too.
I see only that the WiFi is much faster at start when waking up from standby, but I think there is something wrong in these power settings.
I never lost 2-3% at night when the Prime was on WW28... and the battery/WiFi seems to drain faster now..

Just let things settle. These things takes time after updates. Its too early for any accurate readings anyways.
Sent from my ASUS Transformer Pad TF700T using xda app-developers app

Are you really complaining about 2% overnight battery drain? Come on man! Battery on my prime has been better on jb
Sent from my ADR6400L using xda app-developers app

mdeblaz said:
Are you really complaining about 2% overnight battery drain? Come on man! Battery on my prime has been better on jb
Sent from my ADR6400L using xda app-developers app
Click to expand...
Click to collapse
Remember that we do not use all same settings, and/or use devices same way. Making a comparison is only possible on the same device and the same setup/use.
I am happy that you are seeing improvements.
I will see in a week what is the result for me.

How could I imagine they would ever get it straight
Bad, it's worse than on .21.
Edit 100203
Try my thread http://forum.xda-developers.com/showthread.php?t=1674551

Aye, as far as I can notice it's draining a tiny bit quicker. I keep mine at max brightness IPS+ (except for late at night every now and again) but don't get more than an hour or two's use a day on average. Usually go anywhere from three to six days without charging, depending on how forgetful I am with turning WiFi off.
I can't factory reset like you until there's a new root method, but also like you I factory reset and restored only specific apps' data so the update would go as smoothly as possible. To no avail lol, but oh well. I'll give some more in-depth info as I have time to.
Sent from my HTC Vision using xda premium

Related

Twitter can fix the 2.3.6 battery issue

We all need to tweet our concern about the battery life after the 2.3.6 Update. Be specific about 2.3.6 Update and Galaxy S2 I777.
Use @SamsungMobileUS and be sure to use the hashtag #DudeYoureABarista (this is their current marketing crap hashtag)
3 tweets won't get this done.
( yes there are other ways)
If you're havin' battery problems, I feel bad for you son
I got 99 problems, but a battery ain't one
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ricktat said:
We all need to tweet our concern about the battery life after the 2.3.6 Update. Be specific about 2.3.6 Update and Galaxy S2 I777.
Use @SamsungMobileUS and be sure to use the hashtag #DudeYoureABarista (this is their current marketing crap hashtag)
3 tweets won't get this done.
( yes there are other ways)
Click to expand...
Click to collapse
Don't say 2.3.6 update, say UCKK6 - that indicates a very specific broken build.
raduque said:
If you're havin' battery problems, I feel bad for you son
I got 99 problems, but a battery ain't one
Click to expand...
Click to collapse
Well everyone would have great battery life if they only had their screen on for 5 seconds like you.
Also, with hardly no screen time, your phone is awake quite a bit.
raduque said:
If you're havin' battery problems, I feel bad for you son
I got 99 problems, but a battery ain't one
Click to expand...
Click to collapse
... wow, it looks like you got something keeping your phone from going to deep sleep because screen time is like <5% of your awake time...
penguinlogik said:
... wow, it looks like you got something keeping your phone from going to deep sleep because screen time is like <5% of your awake time...
Click to expand...
Click to collapse
This is just a guess but it might be the BLOOD AND GLORY game that's running in the background
cfaberlle said:
This is just a guess but it might be the BLOOD AND GLORY game that's running in the background
Click to expand...
Click to collapse
Haha
Sent from my SGH-I777 using XDA App
Red5 said:
Well everyone would have great battery life if they only had their screen on for 5 seconds like you.
Also, with hardly no screen time, your phone is awake quite a bit.
Click to expand...
Click to collapse
you took the words right out of my mouth
Is everyone that is updated to 2.3.6 having battery problems?
I too would like toknow if this is happening to everyone or just a select few.
Possible Resolution to battery Drain Issue
I called Samsung Support and they helped me to change the wifi sleep policy from "never" to "when screen turns off". This resulted in using up less than 10% of my battery last night from 11PM to 7AM.
Action Taken:
1. Settings
2. Wireless and Network
3. Wifi Settings
4. Click Menu Button (next to Home Button) and Select Advanced
5. Select Wi-Fi sleep policy
6. Change it from "Never" to either "Never when plugged in" or "When Screen turns off".
7. One person reported success rebooting their phone after making these changes. For me I did not have to reboot.
I also thought that this may increase my hspa+ data usage, but it was hardly noticeable last night.
Yea...you're actually getting terrible battery life smarty pants
Sent from my SAMSUNG-SGH-I777 using XDA App
my battery drainage varries based on the rom I'm running... best battery has come from UnNamed and SHOStock.
I got a full day on 2.3.4 no way I'm switching to 2.3.6.
Sent from my SAMSUNG-SGH-I777 using xda premium
This happens with custom roms too. It is the wifi bug that Entropy512 noted in the other thread.
I'm getting around 20 hours on unnamed ROM with the mentioned wifi sleep policy setting. Is this good? I read my rss feeds like 5-6 times a day, make about 1 hour of phone calls, read autoguide forums like 5-6 times as well. I think it's ok?
Sent from my SAMSUNG-SGH-I777 using XDA App

[Q] How to improve battery life?

Hi guys! It's been a long time since I posted on the TFP forums.
Recently I noticed that the battery life of my TFP is not as good as I wished. DON'T misunderstand. I think that the battery life is pretty good while using it. Though I never measured it, I think I get at least 5-6 hrs (may be more) when I use it. BUT, the standby time is low and that is what bothers me. I get 2 to 2.5 days of standby time. So, if I charge it to 100% today and leave it aside, it will get discharged completely in about 2.5 days. But my iPod touch gets discharged in may be a week, if I don't use it often and I heard that the case is similar with the iPad (it too gets about a week's worth of standby time).
I really want to extend my TFP's standby battery life. It is a huge disappointment when I find out on Monday morning that my TFP is discharged since the battery drained completely over the weekend. My Droid Incredible 2 does a better job by idling the processor at the lowest freq. (245 MHz) when screen is off. And this translates to great standby time. Does the TFP not do that? Can I install an app that can do this for me?
Other issue is with WiFi hogging the battery as shown in the pictures below? Can I fix this? These are my 2 queries with regard to battery life.
Thanks in advance!
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Have you tried changing your wifi setting to disconnect wifi during sleep (standby)? That seemed to help mine. My wifi is a battery hog too.
Go to settings > Asus Customized setting > (bottom) Disconnect Network During Sleep
Sent from my PG86100 using Tapatalk 2
And... go to accounts%sync and turn off background data traffic...
If you are not using your prime u should turn off wifi and gps...
....and to add to all that above, why not actually turn it off when not in use.
I turn mine off when not in use because I know one thing for sure - Batteries die out faster the more charge/discharge cycles they go through.
Some tips to improve battery life span & keep them healthy -
Never let battery discharge below 4-5%
Never do charging until level drops to 5%.
When leaving the tablet unused for a couple of days/weeks, do a full charge before leaving it.
Do not keep the battery in continuous charge for more than 8 hours.
Hope this will help you in long run.
aznmode said:
Have you tried changing your wifi setting to disconnect wifi during sleep (standby)? That seemed to help mine. My wifi is a battery hog too.
Go to settings > Asus Customized setting > (bottom) Disconnect Network During Sleep
Sent from my PG86100 using Tapatalk 2
Click to expand...
Click to collapse
I actually do that. But still it doesn't turn the wifi off immediately after I sleep the TFP. I wish there was a profile manager for the tablets as I could easily do all of this as I do on my phone.
Sent from my Incredible 2 using XDA
sachinkumar1312 said:
....and to add to all that above, why not actually turn it off when not in use.
I turn mine off when not in use because I know one thing for sure - Batteries die out faster the more charge/discharge cycles they go through.
Some tips to improve battery life span & keep them healthy -
Never let battery discharge below 4-5%
Never do charging until level drops to 5%.
When leaving the tablet unused for a couple of days/weeks, do a full charge before leaving it.
Do not keep the battery in continuous charge for more than 8 hours.
Hope this will help you in long run.
Click to expand...
Click to collapse
The idea of turning the tablet off is not what I want to do. I may be okay to do that on a weekend, but during the week I would like to have it on as I want to he able to use it immediately without waiting for it to turn on. Moreover, since competing devices and even my phone can manage to get better standby time, I am trying to improve its standby time.
I will try the profile manager I have on my phone. Also, I will try a CPU app that will put my TFP in the lowest MHz possible. Any suggestions for a good CPU app for this?
Sent from my Incredible 2 using XDA
I use master cpu but u need root
Use Auto Airplan Mode app from google play to turn off your prime wireless when sleeping. It helps my Prime standby for a week.
Sent from my HTC Desire HD using xda premium
[email protected] said:
Use Auto Airplan Mode app from google play to turn off your prime wireless when sleeping. It helps my Prime standby for a week.
Sent from my HTC Desire HD using xda premium
Click to expand...
Click to collapse
Thank you. This may help me a lot! It is interesting that even after choosing "disconnect network during sleep" the network doesn't disconnect immediately. Also, it still uses a lot of battery. Hopefully this will help.
the answers you seek are in general section. I already posted it up in the thread called .21 wifi battery drain. all my recent posts in that thread details what you can do and what's going on in your tablet. always remwber though, wifi will always report being the biggest battery drainer. the battery usage reporting in prime is flawed. you meed to use an app called Better Battery Stats. its free and here in xda. check out that other thread I mentioned. it has a bunch of things you can do n look for.

Battery Woes

Is anyone else finding it extremely difficult to get through the day without struggling to keep your SIII alive? I thought the battery life was supposed to be superior to its predecessors? I'm a first time Android user but I did not think I would have to lower my brightness all the way and constantly monitor my devices battery life.
do you have some dumbass apps draining your battery?
i found my culprit and it's Friendcaster without even turn the notification on
get Badass battery monitor to find it or just use the one in setting
I'm finding the battery life is great, and lasts a whole day with no problems
It really depends on what do on your phone.
Try posting a screenshot of your battery stats. Android has an inbuilt monitor with each app and its usage being displayed. Easy method to spot a drain.
I just downloaded that in addition to my other app but there doesn't seem to be anything out of the ordinary that seems to be killing my battery. Most of it is coming from my screen but I keep at it 25% brightness the whole time. Super odd
I usually get around 16 hours of standby and at least 4 hours or more of screen time.
You should try Watchdog Task Manager. It will be able to tell you if an app is running and using more processes than it should. Also I've never used badass battery stats, but better battery stats will tell you if anything is holding a wakelock. It is free for XDA members so you don't have to buy it on the market. Just search for it
Elgordo2 said:
I'm finding the battery life is great, and lasts a whole day with no problems
It really depends on what do on your phone.
Try posting a screenshot of your battery stats. Android has an inbuilt monitor with each app and its usage being displayed. Easy method to spot a drain.
Click to expand...
Click to collapse
Where exactly would I find this inbuilt monitor?
Settings/Battery Is what I was refering to. The other two recommended apps are probably more detailed.
Is this it?
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On saturday I drove for 4 hours streaming music via bluetooth to my car. Used navigation for about 40 minutes with the screen on the whole time. Took a few calls, sent a few sms's. Read a few forums using data. Got home that night with about 40% left. That'll do me.
Maybe I'm just freaking out about the whole battery situation? I just expected it to be a lot longer and a lot better. I constantly worry if I'll be able to make past 10PM when I start my day at 7AM.
On wifi with little to no voice signal that cuts out frequently, I might get seven hours of screen on time today D:
Sent from my GT-I9300 using Tapatalk 2
Yeah i found it average and could just get through a day. Ended up installing lightweight rom and lasts a day no problem.
Get Better Battery Stats and have a look at what the Wakelocks are like http://forum.xda-developers.com/showthread.php?t=1179809
eddylee09 said:
Maybe I'm just freaking out about the whole battery situation? I just expected it to be a lot longer and a lot better. I constantly worry if I'll be able to make past 10PM when I start my day at 7AM.
Click to expand...
Click to collapse
You should be fine, i start my day at 5am and still have 40% at 8pm.
Sent from my GT-I9300 using xda premium
I'm getting huge drain from Cell Standby.
It'll lose 30% overnight. I keep checking for a software update. It's got to be the modem.
I'm holding off on rooting and custom ROMS until I know for sure this is fixable in firmware.
My phone's on LE6 and is from Thailand.
I see that you have poor signal reception
maybe that's why
last time I went underground, just 5 mins of standby it took away 10% of my battery
when it searches for signal it drains a lot
you could also try to disable auto search for network
go to setting>more settings > network operators and select it manually
joshnichols189 said:
On wifi with little to no voice signal that cuts out frequently, I might get seven hours of screen on time today D:
Sent from my GT-I9300 using Tapatalk 2
Click to expand...
Click to collapse
An update, I did not want to drain fully to 0 but I got six hours and forty minutes of screen time yesterday and I think I could have hit seven if I drained fully.
Sent from my GT-I9300 using Tapatalk 2
i get 48% on cell standby... my phone lasts around 4-5 hours... anyone got any ideas what i can do to increase my battery further??
Sent from my GT-I9300 using xda premium
super
lokhor said:
Get Better Battery Stats and have a look at what the Wakelocks are like http://forum.xda-developers.com/showthread.php?t=1179809
Click to expand...
Click to collapse
Super idea ) i've done that today. All seemed good. 2,5 % awake is fine

Battary Life

Hi All!
Please post you screenshot with battary life and with how many times screen is on
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espionage724 said:
Click to expand...
Click to collapse
Thank for you post. What apps and sync running?
And for All.
Please post your Screnshot with same text(what you using).
In this Thread we collect information about battary life!
amaectpo said:
Thank for you post. What apps and sync running?
And for All.
Please post your Screnshot with same text(what you using).
In this Thread we collect information about battary life!
Click to expand...
Click to collapse
All this on sync:
As for apps, nothing too heavy, just the occasional look at Browser, Ingress, and (alarm) Clock.
Isn't that battery life rather awful? i thought atleast 6-7 hrs of on screen time was reasonable?
I usually get 9-10 hours screen time average when I don't game to much. Gaming a lot brings it down to 5-6 hours of screen time.
Sent from my SCH-I535 using xda app-developers app
Coming from a Asus TF300 with dock which gives me 16 plus hours I am finding the N10 battery life pretty bad.
This on top of the light bleed, lack of memory card slot and the not so cheap price is making me thinking in returning it.
It is a nice Tablet but I am not sure if worth the asking price,
I game, surf, all kinds of stuff and get at least 10hrs.
But, I find the screen really really bright, even on the lowest setting in bright light in the house. Mine is always on the lowest setting and probably why my battery life is good.
Bru87tr said:
I game, surf, all kinds of stuff and get at least 10hrs.
But, I find the screen really really bright, even on the lowest setting in bright light in the house. Mine is always on the lowest setting and probably why my battery life is good.
Click to expand...
Click to collapse
This is so important for battery life. I just understand why people set brightness so high... Screen brightness will kill battery life..That's pretty much standard on any portable device.
cdejesus1119 said:
This is so important for battery life. I just understand why people set brightness so high... Screen brightness will kill battery life..That's pretty much standard on any portable device.
Click to expand...
Click to collapse
I agree, even my ipod I keep on the lowest setting.
I have finally converted my daughters into a very low setting. Your eyes will adjust and you will see after and realize even at 25% it is very bright.
People automatically want the wow factor and turn up the brightness most of the way. I can't have it a tick and it burns my eyes.
I am not sure how people have them up so high, this screen is really bright.
A bright screen is useful in the sun though
My brightness was around half-way; I just put it at lowest, so I guess I'll try seeing how it goes
espionage724 said:
My brightness was around half-way; I just put it at lowest, so I guess I'll try seeing how it goes
Click to expand...
Click to collapse
This. I just turned off auto and set it to lowest setting. We shall see how this affects battery life.
dh350nwo said:
This. I just turned off auto and set it to lowest setting. We shall see how this affects battery life.
Click to expand...
Click to collapse
This or install a third auto brightness and let it work its magic. Set the settings lower so that it never goes high, but does adjust to outside brightness
Screen time only mattets when you want to use it continuously and dont have access to charger like on a plane journey. If you are getting by 2 days without charge with moderate screen time then its good enough as you will get access to a charger in that time
Sent from my SAMSUNG-SGH-I747 using xda premium
viking2.0 said:
Screen time only mattets when you want to use it continuously and dont have access to charger like on a plane journey. If you are getting by 2 days without charge with moderate screen time then its good enough as you will get access to a charger in that time
Sent from my SAMSUNG-SGH-I747 using xda premium
Click to expand...
Click to collapse
Wow, so many of you getting such good battery life. Mine hardly manages 6 hours with WiFi and screen at 25 p.c. most of the time. Is this a faulty device?
Good battery life especially no wake locks seen
Sent from my Nexus 10 using xda premium
Why is Google maps using s tin of battery when I never use it??? Also dolphin beta is a Huge battery hog!!!!!!!
waltthizzney said:
Why is Google maps using s tin of battery when I never use it???
Click to expand...
Click to collapse
Location services run in the background
Thats kinda depressing...
My note 2 easily beats that :banghead:
Afraid have to go for a ipad mini
(I'm no fanboy lol)
Sent from my GT-N7100 using Tapatalk 2

Battery Life

Hig guys my battery life isnt very good , it drains in day with almost no use. Brightness on 25 , Data is Off and also the service location is off .
Anyone knows how to fix this.
I bought the phone because of the battery
And also i bought is last saturday.
Can you post your battery stats?
Sent from my Xperia S using xda premium
U should reset ur phone. G2 battery is very awesome. I turn on everything 3g, WiFi, sync, Facebook, viber, ... And I use my phone to read news whenever I have time, so my screen time on of my phone one day is usually 4 hours. Everyday I get home with approx 40% of battery. But one thing I recommend u is u should buy the app lux auto brightness replace for stock auto brightness. I was really surprise after I installed that app, it save for my about one hour screen time.
Sent from my Nexus 7 using Tapatalk
Download "Better Battery Stats" https://play.google.com/store/apps/details?id=com.asksven.betterbatterystats&hl=en
Take a look at the wakelocks, alarms and see what is keeping your phone awake.
Also , posting a screenshot of your battery life graph would be beneficial.
Cheers !
Edit: Agree with quachhanthanh about Lux Auto Brightness. Totally worth the money , even though the free app does its job admirably.
Ah good idea with lux auto brightness.
I will test this too.
The stock auto brightness never works good on my phone.
Bad batteryaybe
Sent from my LG-G2 using XDA Premium HD app
pbedard said:
Bad batteryaybe
Sent from my LG-G2 using XDA Premium HD app
Click to expand...
Click to collapse
What?
Fir3blade said:
What?
Click to expand...
Click to collapse
he sad bad battery maybe.
Sent from my Nexus 4 using xda app-developers app
Ah ok thank you , could have known that myself
It really helps to know the stats to start. A rogue app or service can cause a lot of issues. I had a contact sync issue that drained my battery quickly. Found and fixed.
I use greenify(really good for battery life) and also under google settings, I mean the app you have called google settings, uncheck all those things you dont need including under Android Device Manager -> Remotely locate this device. I disabled alot of things in there. If you need to leave wifi on you can also change your wifi scan intervals to like 360 in the build.prop. Thats just for starters.
Great battery here!
As has been said, a battery graph will help out a great deal. If you have a rogue app, it will show a higher percentage of usage than other similar apps. If services really high, you might want to take a look at exactly which services are running. Be sure to always disable any you don't actually use. Also make sure your screen is set to turn off quickly, or use that nifty knock off feature. One last thing, if you are in a spotty coverage area, your radio will broadcast at maximum power trying to find a tower. That searching will kill any battery.
Sent from my LG-VS980 using xda app-developers app
I'm getting horrible battery life.. About 2.5 hours screen time with 45% left. Screen has only used 20% of the battery.. its mostly being used up by Android System (33%) and Android OS(13%). I've got wakelock detector installed and its saying most of the time my phone is in deep sleep... God know's what's the issue.
P.S: I'm even using DS Battery Saver to force deep sleep... I really don't know why the OS and system are using so much battery!
P.S: Using better battery stats, it seems I'm having the activity manager causing wakelocks and the alarm rtc and powermanager service causing wakelocks... anyone has any idea how to stop this?
Almost 40hr with 4.35hr of screen time and still 38% left.
What can i say. I am happy
in two days and im with 20% , is that good or bad?
with normal use
wazowpt said:
in two days and im with 20% , is that good or bad?
with normal use
Click to expand...
Click to collapse
Depends on what you do with the phone. I can drop 20% in like 3hrs easily using spotify alone.
At the moment im at 37h 12m with 3h 8m screen on. Im at 40%.
Here are my stats. I wonder why there's such a variance between different phones. Do LG source batteries from many different manufacturers? Maybe they don't do enough QA on the batteries? Battery life for me isn't terrible compared to other Android phones I've used (many won't even last a day), but I definitely need to charge it every night.
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JimmiG said:
Here are my stats. I wonder why there's such a variance between different phones. Do LG source batteries from many different manufacturers? Maybe they don't do enough QA on the batteries? Battery life for me isn't terrible compared to other Android phones I've used (many won't even last a day), but I definitely need to charge it every night.
Click to expand...
Click to collapse
Useless, can't see your app usage.
I recommend posting in the comparative battery analysis thread.
Make sure you post all screen shots otherwise OP will be on your case.
---------- Post added at 08:13 PM ---------- Previous post was at 08:12 PM ----------
chaki- said:
Almost 40hr with 4.35hr of screen time and still 38% left.
What can i say. I am happy
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Wow, how did you manage that?
Hehehehehehehehe with moderate usage, kernel tweaks and a bunch of other battery saving stuff, i get insane battery life... this is my record
edit: in the screenshot, you can see thats in charging, thats because to get the screenies, i need to plug my phone to the charger to boot it up haha

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