Develop Bugs

First day with galaxy nexus

I have had this phone for less then 24hr and I love it. But I have been very conscious about the battery life and I feel that it drops every time I turn it on. I fully drained the 40% when it came with it in about 2 hours and today after letting it charge fully then taking it off at 100% for the rest of the night I lost 16% in about 7 hours. Since I woke up from 730-1130 I have went from 84%-50% off doing basically nothing. Edit (41% after I typed this post)
GPS-off
Wifi- off after I woke up at 7
Sync-on
Social-update once an hour
Email- once an hour
Sent from my Galaxy Nexus using XDA App

The battery needs a few charging cycles to achieve peak performance. I have a GSM nexus and the battery life has been excellent with default syncing.

After reading sfasu's post, it does make sence. I had mine for about 2 weeks...first few days the power dropped FAST. But now it has improved! I listened to music and played games while on 1hr subway ride today and it went down only a small amount....2 weeks ago it went down to 50%.

please note that the battery life performance experience differs with the CDMA and GSM version.
GSM version will get better battery life than the CDMA version due to the power hungry LTE chip.
like the other posters have said, wait a few days for the device to calibrate battery and assess battery life from then on.

The poster above makes a great point. I'd also like to add though that with my cdma version I turn LTE off and it seems to help battery life. I don't need LTE speeds while running Google nav.

If I leave my idle with the screen off and LTE ON I only lose ~ 20% over 8 hours. But if I have the screen on it seems like I lose almost 1% every minute or two.

as it's been said, if you have the LTE version, that will severely drop your battery even just email and basic sync can use massive amounts of charge on LTE.
if you have the GSM version, then most likely you just need to cycle the battery a few more times, or you have something in the background using more battery than it should.

I think at the end of the day the screen is always going to soak up more power than anything else. Any savings due to settings and updated firmware is going to be very minor.

Ya battery definitely adjusted. Getting about 24 hours a charge now.
Sent from my Galaxy Nexus using XDA App

Battery Meter or Voltage Meter problem?

My G2 gets ghastly battery life. I've tried Juice Defender and I've recalibrated more times than I can remember. Most notifications are turned off and I'm conservative about powering off the various radios when I'm not using them. It wasn't always like that. I felt like I was getting most of a full day on one charge and loving it for many months, but something happened last summer I think. Maybe dust or moisture affected the phone. I've got a total of six batteries and three external battery chargers. No battery whether it's the OEM original, 1500mah spares that were amazing before, or the new 1800mah evo shift 4g batteries I tried out, will last more than about four hours from full charge to the 15% warning sound.
I've tried only charging in the phone. I've tried rotating batteries charged in the external chargers. Like I said, I've tried calibration scenarios of various kinds.
Last night, I took a fully charged 1800mah battery and put it in my phone and then charged the battery in the phone. The orange led never turns green when the phone is off. When the phone is on, I can just barely get the led to turn green at about 91% (starting from what should be a full charge that is reported as 80% by the phone). This takes a good 10 hours of charging. As soon as I woke the phone this morning, the battery meter started dropping while the phone was still plugged in. After unplugging, the meter drops to 80% in a matter of a few minutes.
Like I said, I tried juice defender. It only helps a little but the cost is waiting for the data radio to reconnect every time I wake the phone. I thought BT was the culprit for a while, but now it really doesn't matter if I leave it on or turn it off.
At the other end of the charge, the phone can run for several hours when the battery is supposedly between 1 and 3%. I know we are told to start charging again at 15% but my phone drops to that level in 3-4 hours of regular use. I haven't seen the phone report 100% charge on any battery in six months time, but it runs and runs at 1%. This is what bugs me. Is the phone just mis-reading how many milivolts are coming out of the battery? Why can't I complete the first step of calibration (charge overnight to the 100% mark)? Is there a hardware component that can be causing this or should it be entirely fixable in software?
Thanks for any ideas or tips

Did you wipe battery stats?
Sent from your phone

waxinpoetic said:
Did you wipe battery stats?
Sent from your phone
Click to expand...
Click to collapse
Yes I have many times but thanks for the suggestion.

Figured so.. Too bad, would have been too easy. I'm starting to see some batttery drain on my desire z now too. Im wondering if mine is a radio issue.
Sent from your phone

waxinpoetic said:
Figured so.. Too bad, would have been too easy. I'm starting to see some batttery drain on my desire z now too. Im wondering if mine is a radio issue.
Sent from your phone
Click to expand...
Click to collapse
I changed radios and did RIL matching last fall based on other's comments about better battery life, 4G and GPS. While I've had faster GPS locks and maybe better 4G performance, my battery life did not improve. It may have even gotten worse.
Today I'm trying out some different CPU governor settings. The CM 7.2 RC1 default is 'interactive' and I wouldn't normally touch those settings. I think the powersave governor helped a lot, but the phone became almost unresponsive. Trying 'conservative' now. I should have read This long ago, but just got around to it today. I might invest in the SetCPU app as well.

OK, I can count on a good six hours of normal use if setCPU is holding down the max cpu frequency at night or when the screen is off. I'm still tweaking. Today, the phone crashed while playing music over A2DP and tracking a run with runkeeper. I think it needs to tick faster than 368Mhz when the screen is off.

Are you seeing improvement? I changed radios and like you havent seen much improvement. But I am a little better off than you are. My battery drain is terrible (1-3%per minute) only when connected to the internet (4g or wifi) or using navigation. If the screen is off, or if Im using non-internet apps I seem to get regular battery use. Good luck with your cpu settings.. I have ordered a new battery, but I doubt it will solve my issue. I may try tweaking my settings too soon, but Id better research more.

Just wondering do you have SuperCharger V6 installed? On my Desire Z I had some serious battery problems just as you mentioned. After I would flash my ROM (wiping the caches + reinstalling) my battery life would return to normal. But whenever I would flash SuperCharger v6 my battery life would spiral out of control. My suggestion for a ROM that handles battery life fairly well is Andromadus Audacity B2, just make sure you download and flash GAPPs (google apps). For example running that rom I have been getting very good battery life, approx. 16-20 hours of battery life with moderate use) with default CPU settings and data always turned on. I'm sure if you use Juice Defender to control your data you'll get above average battery life.
Note: Andromadus is an ICS (android 4.0) ROM

Qwerty_Uieo said:
Just wondering do you have SuperCharger V6 installed? On my Desire Z I had some serious battery problems just as you mentioned. After I would flash my ROM (wiping the caches + reinstalling) my battery life would return to normal. But whenever I would flash SuperCharger v6 my battery life would spiral out of control. My suggestion for a ROM that handles battery life fairly well is Andromadus Audacity B2, just make sure you download and flash GAPPs (google apps). For example running that rom I have been getting very good battery life, approx. 16-20 hours of battery life with moderate use) with default CPU settings and data always turned on. I'm sure if you use Juice Defender to control your data you'll get above average battery life.
Note: Andromadus is an ICS (android 4.0) ROM
Click to expand...
Click to collapse
Thanks (and thanked) Ive been waiting till ICS roms are bug free and having working cameras, but I think I may just jump on it now. My battery issues are untenable at the moment on a CM7 based rom. Thanks for the advice.

I was seeing some improvement due to SetCPU profiles. However, now if I have GPS and Bluetooth on so that I can listen to music and track my run in runkeeper, the phone seems to 'crash' after about 35 minutes or so. The battery meter shows that the battery takes a nose dive and I think the phone shuts down at 1%. If I restart the phone, it might say I have 30 or 40% charge left but then it drops rapidly again. It seems like it hates the warmth of my pocket. If I let the phone out in the cool air like on my desk, I can reboot at get back to 60 or 70% even though it was just saying 3%. I'm not running SuperCharger.
I'm trying to find cheap G2s for parts on ebay now. Maybe I can at least test out my six batteries in a different phone to see if any of them are shot. They all seem to have the same problems in my phone.

This will be my final update. I bought a used G2 off ebay. The same batteries I used before now show as fully charged when I expect them to be fully charged. I will be getting a feel for general battery life over the next few days, but I expect battery life to be roughly the same. I just won't have to guess at what the current battery level really is.
I'm seeing now that the new phone will show a 60% charge when the old phone shows 15% for the same battery at about the same time.
The new phone shows 100% when topped off but if I put the topped off battery in my old phone, I see 75-80% charge.
I may try sending the old phone to HTC depending on what they offer for repair services.

revwillie said:
I bought a used G2 off ebay. ... the new phone will show a 60% charge when the old phone shows 15% for the same battery at about the same time
Click to expand...
Click to collapse
I think what's happened to your old phone (and mine!) is that the onboard voltmeter chip is reading low. I've compared the on-board mV reading to a multimeter-measured battery voltage and what the phone reads as 3.9V the multimeter gets 4.2V (a fully charged Li-Ion battery).
Who knows what's behind it, but it seems like a hardware problem to me.

Few Questions before choosing this phone

Hope you don't mind...
Coming from a Samsung Galaxy s2
Thing i hated about the S2 was not so much the battery drain but the terribly slow charging time, Sorry to mention a fruit phone, but my wifes IP4 would charge almost twice as fast than my S2.
How quick does the ONE X charge?
Does the battery last 7-8 hours with normal usage (tricky to tell, as it depends on what normal I guess)
Does it get really hot?, as the SGS2 did with some games, almost to the point of having to put it down it was so hot
thanks John

Battery Monitor tells.me that the average
0% to 100% time is 4hr 49mins, though it will probably be a little bit quicker than that if you don't count all the times I've been playing with it while charging.
It does seem to take a long time to charge, and you have to remember that the battery is 25% bigger than on the ip4 (1800mAh vs 1420mAh ) so it will probably take 25% longer ish.
It does get warm when charging and gaming simultaneously but not so that you have to put it down.
And battery life is excellent when the screen is mainly off which is my use case. I stream music most if the day and its fine for me, but as soon as you start using the screen it does start to tumble.
Hope that helps. I really love the phone, and the screen is just immense.
Sent from my HTC One X using XDA

i always thought if you use a charger with more amps, the phone will charge faster. i use an 2 amps usb charger and from 20% to 80% it charged within half hour last night, but the phone was off.
the question is, do you prefer touchwiz or htc sense ? i dont like both of them, so i still wait for a great none sense rom.

About charging...
Wall charger, 1Ah output
- 3.5-4 hrs, with the screen off
- add 30% time if you are watching a movie;
- add 45% if using the phone for browsing over 3G or WiFi;
- prepare for slow discharge if playing demanding 3D games;
USB computer output
- 5 to 7 hrs (the less you fiddle with it, the faster it will charge)
About daily usage:
Give or take 10% of these times, of course - based on personal experience
22-24 hrs total time of wich
- 2.5 screen time used for browsing via 3G or WiFi;
- 30 to 50' of talking
- autobrightness always ON,
- autosync off;
You can get over 3.5 hrs of screen time and some 1 hrs of talk time within a span of 15 hrs.
Gaming will bring MASSIVE battery drain, especially 3D games;
Of course, signal strengh is also important when talking or browsing. If you have autobrightness on during the day, in well lit areas it will obviously eat a LOT of battery as opposed to manual low brightness;
These average times I got on both Leedroid 6.1.0 and InsertCoin 6... ROMs using the stock kernel provided. Been testing them for about two weeks.
Cheers
Sent from my HTC One X using xda premium

The issue with the battery is that is a Li-Po (Lithium-Polymer-Akkumulator) Battery and for this there is no quick-charge. The charge it´s a bit longer that with a Li-On Battery but the duration is great.

I usually charge it overnight using computer USB, and it will be fully charged in the morning.
If I charge it using charger, it takes about 3-4 hours (1A output).
Battery drains depends on how you use.
Screen drain most battery, internet and games also drain battery.
I used to switch off auto brightness, and turn brightness to 0%, then use Screen Adjuster to auto adjust within that 0%
The average temperature is around 35-40 degree after using it for a while indoor.
If you use it outdoor, it will get hotting up faster.
If it is under sunlight (e.g. taking photo), it is easy to go over 45 degree or even 50!!

It takes 200 minutes (or 3 hours and 20 minutes) to charge my HOX from 0% to 100%. As for getting hot; mine sometimes does but never to the point of having to put it down. Just hotter than it usually is, but nothing unusual really.

[Q] Battery life has suddenly shortened

Hi I have: HTC Wildfire with CyanogenMod 7.2.0-RC1
In about the past 2 days my battery life has dropped considerably with the phone not lasting more then 12 hours, as opposed to the previous life of 2-3 days.
I charged it too 100% last night and this morning when I checked it it was at 20%
I have not installed any new apps, my screen usually runs on low brightness and the data connection only running on 2g/Edge and I have changed no settings lately.
I tried a battery stats wipe, no change.

I remember having that problem just after I flashed a new recovery.
It was about 80% before I sleep And when I wake up I find it 55%
I installed Sympfinity kernel and it really improved battery life.
now only 10% (sometimes less) are lost through the night.
Try Sympfinity kernel.
Sent from my HTC Wildfire using Tapatalk 2

I Flashed CM7.2 RC2 it seems to have fixed the problem.

tpex said:
Hi I have: HTC Wildfire with CyanogenMod 7.2.0-RC1
In about the past 2 days my battery life has dropped considerably with the phone not lasting more then 12 hours, as opposed to the previous life of 2-3 days.
I charged it too 100% last night and this morning when I checked it it was at 20%
I have not installed any new apps, my screen usually runs on low brightness and the data connection only running on 2g/Edge and I have changed no settings lately.
I tried a battery stats wipe, no change.
Click to expand...
Click to collapse
I advise you to install battery calibration from play store, sometimes after flashing a new rom, battery may be miss-read

tip
the battery life is also affected depending on the time you have automatic update on your phone because if you have updated very often it spends considerably battery not in use so the phone .. hechale a look at this and help us a lot of your battery greetings

Welll i used to have a similar problem on my wildfire,so i downloaded power max and used it on standard mode and used Go power master with autoswtching and other stuff...just before exchanging it for a Nexus, i had the battery to last around 40 hours with 5 hours of browsing, 3 hours of listening to music and 2 hours of gaming with heavy use of whatsapp and texting and 30-40 minutes of calling...previously my battery use to last only 10 hours...hope this will help you...you can also go up to ebay and buy an extended battery for just Rs.960 which is 3000mah...cheaper than the original smaller battery....link to the extended battery http://www.ebay.in/itm/3000MAh-Exte...4-HTC-Wildfire-G8-/140533335447#ht_1453wt_907

Jellybean Battery Life issue

So i'm running stock jellybean 4.1.1 OTA (yakju) however i've noticed battery life isn't great, charged phone overnight to 100% its been on standby for 7 hours and is already down to 68% screen time on is only 3 minutes, is this normal battery drain seems a bit excessive for standby.

depends on what you have running and syncing, etc.
you gave us no screenshots or anything to base anything off of.

I just charged up my phone from a 20 hour run, almost 4 hours screen time broswing with wifi mostly... stock JB 4.1.1
edit: oh i forgot i am using franco.Kernel

On my Nexus battery life isn't much better than on your Nexus, It is normal or then my Gnex battery is poor again..
I'm using "takju" JRCO03C with it's own radio + kernel so all is stock and battery life is enough good, for me on yakju builds the battery drains much much faster than on yakjuxw/takju builds..
My Galaxy Nexus's battery stays 14 hours with not using it and then battery is left something 12% or less, and when I use my Gnex then I can use it like 2 and half hours and then the battery has too less life to use it... (when Clock Alarm is on, and Hotmail + Facebook notification enabled...)

Google Now is said to use lots of power, have you tried disabling that?

I am also getting really bad battery life since JB. I have the extended 2000mah(?) battery so this might be the issue although I have not had any issue with ICS, I got about 26 hours with this battery on ICS. Now on JB I will go from 100% to 85% in 2 hours and all I did was text about 10 times, no phone calls. Today I woke up at 6am listened to Google music going to the beach, at the beach did not use the phone except to check the time.
Listened to Google Music on the way home, got home at 6:30pm battery was at 31%. I did not surf, made one phone call that lasted 30 seconds.
This has been about consistent since JB installation. Everything is stock except for the fact that I am rooted.
I am currently conditioning my battery, when done Im going to remove facebook and see what happens. Also can we "freeze" Google Now? This so I can test the batter.
Thanks for any suggestions and/or ideas.

I'll chime in to say I'm also getting slightly worse battery life on JB. I'm mostly observing idle battery drain during the work day. On ICS it was a steady 0.5%/hr, on JB it is over 1%/hr. So before I could get away with not charging it some nights and it'd only lose like 3% overnight, but now it's more like 7%. The phone is stationary during this time so I can't imagine Google Now is contributing much. I'm not rooted, completely stock.
What are some options available to investigate this? BetterBatteryStats or apps like that?