Develop Bugs

[Q] bad battery??

I have been using the lte g.nexus for about two weeks now and i cannot stand the battery life let me explain
Im on screen timeout 15 sec auto brightness.
Operating on 3g mode only and my average batt time is abouy 4 hours of moderate to heavy use(no bluetooth r gps included) ive heard stories of batt conditioning when i got my g.nexus i charged it to green and immediately begin using it. I even let it drain to zero the first two charge cycles. I dont have any syncing apps doing auto sync except my google account and no one app seems to be sucking juice the screen is always using between 40%-60% in the usage stats is this normal i.never had this problem with my bionic.

that F'ing ridiculous that you are only getting a few hours on your g-nex especially since you have turned a lot of things off or to a minimum. i would either go to a verizon store to try to get a replacement or purchase an extended battery.
Sent from my Galaxy Nexus using Tapatalk

Not trying to hijack this thread but I'm starting to think my battery is bad too. I've been giving it time because this is only my 4th day with it, but its just atrocious.
Yesterday: charged to 100% and took off charger immediately around 4 pm. After a moderate amount of texting, 10 minute phone call, and my 4 Gmail accounts syncing in the background on 3g the whole time, the battery died around 11pm. The screen on time was maybe 1.5 hours.
I'm running Android Revolution rom with the included stock kernel. Everyone reports about how awesome the battery life is with that rom, but if 7 hours is good battery life then I don't know what to expect.
Sent from my Galaxy Nexus using Tapatalk

Im starting to wonder if the phone or either the battery is at fault because i see a lot of usera spread out across the net complaining of similar problems. Is there is a certain way to traim the batteru the first day or so because i love this phone but i refuse to buy an ext. Batt jus to make it thru a work shift.only on 3g ..anyone else having this problem or know of a fix?

I've heard some glitch about the camera sensor staying on in the background in a different thread. Search for it in xda
Sent from my Transformer Prime TF201 using Tapatalk

My battery was only worknig for a few hours with the extended battery when i looked at the battery usage it said 70% mediaserver. looked up online and it said if you have a picture or vid that is corrupted it can cause mediaserver to keep trying which i had a photo gallery widget on home screen. when i deleted img and deleted widget im now getting like 10x more battery life.

I am getting good battery life.
During my sleep or when my phone is idle or when I know I am not using it for a long period of time, I switch my phone to 2G.
Below is a screenshot of my battery usage during a long period of idle (overnight when I am sleeping)
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I only switch it to 3G when I am actively using the Internet for surfing websites, Facebooking, Youtube, uploading photos or video.
Below is a screenshot of my usage from light to moderate to heavy.

I went into the bathroom with full charge and after I did my daily deed(s) I went down to 43% with brightness turned all the way down and only running xda app. wtf gives?
Sent from my Galaxy Nexus using xda premium
Sent from my Galaxy Nexus using xda premium

6 hours screen on?

Sure sure it's with light use, but just the fact that it can hit 6+ hours screen time after more than a day and a half... sits pretty well with me.
No games, 30% screen brightness, 74 mins of calls, quite a bit of texting & whatsapp, 30 odd mins browsing, wifi 100%, sync on, only 1 widget.
aokp, lean kernel, undervolted, K6, extended battery.
Loving this phone!!!
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Not bad at all! Especially considering 74min of phone calls.

NICE!!! Can't wait till my extended battery comes in.

Nice. I've had my extended battery for 2 days now and I am seriously impresses ed with it. It on my drive home I'm at 65% instead of 30%. I really think the extended battery should of come stock.

I got a similar 6 hour in airplane mode. I was watching a movie while roaming on vacation.
Verizon stock rom. stock battery.

Even stock SGN makes wonders with battery on Wi-Fi But still your stats are truly amazing

OP did charge the phone for a bit....like 3 times don't know for how long....but nonetheless amazing stats...
Sent from my Galaxy Nexus using XDA App

republitarian said:
OP did charge the phone for a bit....like 3 times don't know for how long....but nonetheless amazing stats...
Sent from my Galaxy Nexus using XDA App
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No, he didn't? Look closer on first screenshot. There is no sign of charging on those lines below the graph. Those places where graph line goes up are pretty normal and that doesn't mean device war charging.

republitarian said:
OP did charge the phone for a bit....like 3 times don't know for how long....but nonetheless amazing stats...
Sent from my Galaxy Nexus using XDA App
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There's no charging there.
Line is going up for a little, but that's normal and it often happens in my phone too.

republitarian said:
OP did charge the phone for a bit....like 3 times don't know for how long....but nonetheless amazing stats...
Sent from my Galaxy Nexus using XDA App
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Nah I didn't charge it at all, as the other guys pointed out. I remember my battery dropping to 4%, I then put down my phone and when I came back later on, it was reading 5%. I thought I was going crazy, but looking at the graph now I see it really did happen. It raised from 4% to 5% and stayed there for a bit before dropping to 4% again.
Anyway, I hope this wasn't a one off... it's not doing as well today with the same usage. We'll see...

martonikaj said:
Not bad at all! Especially considering 74min of phone calls.
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Actually, the phone calls don't do much damage... You should be able to talk 11hours on this phone apparently...

I am very jealous. I am lucky to get 3-3.5 of web surfing.

With standard battery, you can get almost 11 hours screen on time (by doing nothing):
http://forum.xda-developers.com/showthread.php?t=1366878&highlight=max+battery
So, that's the limit
My experience with extended battery, 2000 mAH, GSM, I could get 4 and a half screen on time with 61 hours stand by time. For sure, it can go down to 6 hours or more screen on time if I down the standby time. All with stock ROM, stok kernel, un-locked
It is not difficult to achieve that knowing the limit, all depends on how you set it up and how do you use your phone.

WTH! 30% drop in battery almost straight line??

Guys, the GNex I am using is VZW LTE device.
I know its battery issue and have been playing around to find the best balance to use both LTE/all awesome features while keeping the phone alive for sometime.
So far my set up ,before I went bed yesterday, was pretty satisfactory: Franco kernel 15.1 + Gummy 0.7 + Hybrid Radio .
Before I go sleep, it has 31%.
This morning, after 5.5 hours sleeping, I press the phone. It is DEAD, seems long time ago.
Took a screenshot of the battery usage, here it is
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https://picasaweb.google.com/lh/pho...YmyPJy0liipFm0?feat=directlink&full-exif=true
Any idea why this may be the case?
I tried to look at the wakelock info but because the phone was dead, I can't really see what was there using "since unplug".
May run it down today and monitor why =((

Well, the last drop was when you seemed to have a really bad signal for some reason and the first drop was when you were actively using the device, so you should look at the apps you were using and what you were doing at the time. Outside of these two drops the device had a normal signal and normal battery drop.

kristovaher said:
Well, the last drop was when you seemed to have a really bad signal for some reason and the first drop was when you were actively using the device, so you should look at the apps you were using and what you were doing at the time. Outside of these two drops the device had a normal signal and normal battery drop.
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Thanks . I do acknowledge the active use part and not surprised. What bugs me is that it was on wifi at last 30%.... so with wifi on,no usage,a change in radio signal can cause this drainage ? I think this is not normal
Sent from my Galaxy Nexus using Tapatalk

jiwengang said:
Thanks . I do acknowledge the active use part and not surprised. What bugs me is that it was on wifi at last 30%.... so with wifi on,no usage,a change in radio signal can cause this drainage ? I think this is not normal
Sent from my Galaxy Nexus using Tapatalk
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Same has happened to me, and a few others. There are posts about it on Androidcentral. Basically the phone drops the network then spends the rest of its battery trying to reconnect to it. Its possibly an authentication issue. It has happened twice to me. It doesnt happen if you leave the phone in 3G mode. Even with WiFi on, it can happen, because the phone still needs to maintain network connection for phones and data. This is on the LTE Nexus,

jiwengang said:
Thanks . I do acknowledge the active use part and not surprised. What bugs me is that it was on wifi at last 30%.... so with wifi on,no usage,a change in radio signal can cause this drainage ? I think this is not normal
Sent from my Galaxy Nexus using Tapatalk
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With low/no signal, the phone boosts power to the radio and tries to search for the signal. This is normal cellular phone operation and has been for many years.

It's a pretty big drop, but as has been said you can really hammer your battery when your device is searching for signal.

I notice that your screenshot shows wifi on.
Franco 15.1 had a faulty wifi driver that was sapping people's batteries. This is fixed in 15.2. Flash your Franco to 15.2 and those problems should go away immediately. My idle drain is now 2mA.

Have you tried Juice Defender? Give it a shot. It is a big help with standby drain.

z06mike said:
Have you tried Juice Defender? Give it a shot. It is a big help with standby drain.
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Thanks I started using it now...
Sent from my Galaxy Nexus using Tapatalk

poopooface said:
I notice that your screenshot shows wifi on.
Franco 15.1 had a faulty wifi driver that was sapping people's batteries. This is fixed in 15.2. Flash your Franco to 15.2 and those problems should go away immediately. My idle drain is now 2mA.
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So you don't see any other issues with 15.2?I seen people reporting more drain on battery or overheat . Those are just anecdotal ?
Sent from my Galaxy Nexus using Tapatalk

cell standby a hardware issue???

long time android user, and my GF just upgraded to her first smartphone to the galaxy nexus, same phone i have. and the battery sucked, she had 50% left and went to work and within 2 hours it was dead, so i unlocked/rooted. and installed aokp 3 milestone along with franco krenel to the latest milestone. same rom and kernel i have, and i get atleast 14+ hours on regular use nothing turned off.
her battery status looks like it usally the cell standby to blame, could this be a hardware issue? i completly wiped data/dalvik/battery and did new install, going to try again flashing back to complete stock. but could this be a hardware issue?
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Turn off 4g.

have you checked if you both have the same radio? you can try that
also maybe check hows reception on her workplace

So... she had bad signal. Phone sat there trying to get 4G / hang on to a bad signal. Will drain the battery 100% to 0% in a few hours if you let it do that.

no i haven't tried turning 4g off yet, shouldn't have to i wouldn't think. she lives in seattle and i live 30miles further north of from her, and i don't have a problem with 4g conection. but i'll try that just to see if it gives a different result.

Well I can tell you right now, AOKP gets absolutely HORRID battery life. Try BAMF.
Sent from my Galaxy Nexus using XDA

Download juice defender and set it to balanced. You will see a HUGE difference with standby drain.

If you have a third of the time without signal, I would expect energy to drain a lot, as the radio will keep trying to find a signal and consume way more energy than if it is connected and in stand by.

Smokeey said:
Well I can tell you right now, AOKP gets absolutely HORRID battery life. Try BAMF.
Sent from my Galaxy Nexus using XDA
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Nothing wrong with AOKP battery

yea im useing AOKP and get great battery on my phone, but not hers, thats why i was wondering if it COULD be a hardware issue, or if this is always a software issue.

Update to 4.04 u will get battery like this.
Sent from my Galaxy Nexus using Tapatalk 2 Beta-6

Sdobron said:
Nothing wrong with AOKP battery
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Ditto that. It's easy to blame a particular ROM for one's battery woes, but the truth of the matter is it's invariably something else causing the drain.
Sent from my Galaxy Nexus using Tapatalk 2

Her signal is destroying the battery, turn off 4g and if she only does the Facebook thing and messaging do the following
I believe there is/was a setting to turn off mobile data when screen is off
Sent from my Galaxy Nexus using Tapatalk 2

BrianDigital said:
I believe there is/was a setting to turn off mobile data when screen is off
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Constantly turning on/off mobile data when the screen is off will more than likely drain the battery more than leaving it on. Not to mention that you'll get no background sync or notifications.

teggy6 said:
no i haven't tried turning 4g off yet, shouldn't have to i wouldn't think. she lives in seattle and i live 30miles further north of from her, and i don't have a problem with 4g conection. but i'll try that just to see if it gives a different result.
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No I think you have to turn it off if its right on that fringe area. Plus lte networks and radios are very immature ans have a lot of years to get fully optimized and tweaked to match current cell coverage performance. You're using a brand new network technology that has a long way to go. Beta testing.

This phone loves to standby like nothing else

Tons of accounts syncing and other crap running. WiFi and BT on. Probably could have gone over 3 days easy.
Pretty impressive. This is because I've been playing with the One X recently.
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Sent from my Galaxy Nexus using Tapatalk 2

mobilehavoc said:
Tons of accounts syncing and other crap running. WiFi and BT on. Probably could have gone over 3 days easy.
Pretty impressive. This is because I've been playing with the One X recently.
Sent from my Galaxy Nexus using Tapatalk 2
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its alright. you should get at least 5 days in standby mode. by the looks of your screenshot, it looks like theres something constantly waking your phone.

simms22 said:
its alright. you should get at least 5 days in standby mode. by the looks of your screenshot, it looks like theres something constantly waking your phone.
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Yeah I have a bunch of crap running including 3 IMAP accounts and stuff. Also I used it for about 2 hours on and off during this time.
Sent from my Galaxy Nexus using Tapatalk 2

Yeah but for 68 hours those blue stripes aren't bad. If it was 16h and it looked like that then that would suck.
...of the people, by the people, for the people...

yep, pretty awesome standby times i've been getting, longest i had was 3d22h on battery, 1h screen on (more or less).
Sent from my Transformer Prime TF201

so... you dont use your phone?

zeke1988 said:
so... you dont use your phone?
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yeh i don't think i could go more than an hour w/o using my phone... but i guess its impressive

What's your take on the One X versus the Galaxy Nexus since you have both?

some of us actually work for a living, and spending my time playing with my phone isn't what i get paid to do. some of us actually use the device for phone calls and texting for a large part of the day.
i have several desktops at home, a tablet w/ a keyboard dock...not really a need to surf on a 4.6 inch screen when i'm at home.
finally, this thread is about standby battery runtime.
i have also tested how much can i actively use my phone before it runs out of juice, and that is about 1d16h with 3h40 screen on. you've made me go offtopic.
for me, there should be only one thread about these things, where people actually post collected data about consumed voltages, wakelocks, idle drain. it proves the system+customizations+user installed apps is stable enough at one point in time. and OP has a lot of stuff on background sync. indeed impressive.
Sent from my Transformer Prime TF201

zeuzinn said:
What's your take on the One X versus the Galaxy Nexus since you have both?
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The screen, camera and performance are far superior. However, everything else is better on the Nexus.
My dream phone would be the Nexus with this camera, screen and CPU.
Sent from my HTC One X using Tapatalk 2

zeke1988 said:
so... you dont use your phone?
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The thread title says standby....so I think that is a given for this thread.

bk201doesntexist said:
some of us actually work for a living, and spending my time playing with my phone isn't what i get paid to do. some of us actually use the device for phone calls and texting for a large part of the day.
i have several desktops at home, a tablet w/ a keyboard dock...not really a need to surf on a 4.6 inch screen when i'm at home.
finally, this thread is about standby battery runtime.
i have also tested how much can i actively use my phone before it runs out of juice, and that is about 1d16h with 3h40 screen on. you've made me go offtopic.
for me, there should be only one thread about these things, where people actually post collected data about consumed voltages, wakelocks, idle drain. it proves the system+customizations+user installed apps is stable enough at one point in time. and OP has a lot of stuff on background sync. indeed impressive.
Sent from my Transformer Prime TF201
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This.
Folks comparing their screen on times and trying to maximize them....are you guys even employed? I get high talk time, but screen on time? Come on.

Are you using juice defender or any other battery saver? Also what is your brightness setting?
Sent from my Galaxy Nexus