Informational: 2.0.1 and Battery Issues

Discussion in 'Android Tech Support' started by keiichi25, Dec 13, 2009.

  1. keiichi25

    keiichi25 Member

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    Lately, I have noticed many posts of people reporting poorer performance of Battery Life since the 2.0.1 Update. What is not posted is some of the Apps that some of these users have installed and, for the most part, it is under the belief their phone is doing nothing.

    The problem here is a lack of understanding some of the apps in question. For example, there is a lack of understanding the definition of 'standby' for many people here. Just because the screen is off on your phone, does not necessarily mean 'standby' for a Smartphone. A smartphone, like the Droid, will have the ability to do other things. Just like many techs telling users turning off the monitor does not mean it turns off the computer, the same is true for the Droid. Even if you are not doing something on the Droid, it does not mean the Droid is not doing something while the screen is off.

    The following Apps are example of things going on in the background:

    Locale
    Beautiful Widgets
    Weatherbug
    Weather Channel Widget
    Alarm Clock
    Calendar
    Corporate Calendar
    Talk
    Meebo

    Note, I just listed several apps, someo f which I have, some of which I do not. However, if you were like me, paying attention to minute details with regards to what is going on, you will find these are things running on the phone at a given time.

    Now, as Cereal Killer mentioned, some of these apps, you don't want to kill, because they will come back up and slow down the phone because part of their innate design is to keep running. Things like Calendar, Corporate Calendar and similar.

    However, things like:

    • Weatherbug
    • Meebo
    • Other IM programs
    • Some Beautiful Widget Functionality
    • Battery Status
    • Battery Widget
    • Locale
    Depending on how they are configured or used, will also detemine the 'life' of your battery, and 2.0.1 makes it a bit more noticeable because of certain things.

    It is important to understand that Widgets that do 'up to the minute updating' such as Weatherbug or Weather updating widgets use power. They use it by constantly chatting to some weather service server to get up to the minute data to display. This counts as Talk or Airtime to a phone as it requires power to send a message and receive a message versus just 'receiving' a message. A few of these data apps are not using push based data transfers, they are pull based data transfers.

    I would hazard to guess the weather module for Beautiful Widgets does the same thing.

    The other thing that people seriously need to understand is the IM clients... IM clients are notoriously chatty. They have to keep telling the IM server that the user is 'online' so it can tattle tale that to your friends or people who want to find you online. This is a known problem for ALL smartphones. While you may not be doing anything on Meebo or any other IMing client, the important thing is, if you are not doing anything with it, you should really sign off the IM client.

    Failing to do so, means you are burning your battery's "talk time" (This being how long the phone can function while talking on the phone) because you have an app just constantly going, "I'm online... I'm online... I'm online." This is how IM is designed. It will need a 'poke' from your IM client to be sure to say, "Hey, you are on, so here is where the message goes."

    I highly recommend people who have short battery life issues with the 2.0.1 Update, to stop for a moment... And post the following:


    1. List all apps installed on your Droid Phone - In all seriousness, just saying the problem exists without helping identify possible causes is much like going to the Car Mechanic and saying your car is broken, but not saying what is wrong beyond that.
    2. Take the time to get the Battery Usage Information and post it - This helps identify where most of your battery power seems to be getting lost.

    Just to give you a fair example of a situation - My phone...

    I had it unplugged on December 10th, around 6:30 AM PST time
    Did not plug it in until around Decmber 12:th, around 8:30 PM PST time with about 30% power left.

    On that phone, I have the following Apps:

    Meebo
    *Locale
    Auto-Pilot (Locale Airplane Mode Plugin)
    GPS Plugin for Locale
    *Battery Status
    *Battery Widget
    *Automatic Task Killer
    *TasKiller
    *Flexis' Lookout
    Barcode Scanner
    Corporate Directory
    DroidLight
    GPS Status
    IPCalc
    Movies
    OneManga
    Opensudoku
    Pente
    Reversi
    Ringdroid
    Rockon
    Shazam
    ShopSavvy
    Solitaire
    Timeriffic
    Word Search

    The ones with the * are the ones that running at all times on my Droid that I don't have ATK killing or manually killing myself.

    My Battery Usage shows as:

    Phone Idle---------43%
    Cell Standby-------25%
    Display------------13%
    Browser-----------5%
    Android System---5%
    Android OS-------5%
    Locale-------------3%
    Voice Calls--------2%
    Email--------------2%

    I want you to note that as you can tell from here, I am sitting at roughly 52 hours of Uptime on my phone with that setup as it is now. I do not have ATK killing Mail and Gmail either, and I do receive mail. I did some web browsing. The fact that I am a fairly light user and managed to eek out 52 hours or so of battery life this way, should point out the fact that 2.0.1 isn't necessarily the culprit of battery issues, but definitely something else is for other people.

    I will further add that I also have Background Sync enabled, GPS enabled, Auto-Brightness disabled, WiFi disabled, and Bluetooth disabled by default. Auto-brightness is at the lowest setting for brightness. Haptic (Vibration) feedback enabled. I use Locale to enable Airplane Mode for time windows, like between 11:00 PM to 6:20 AM on Weekdays, 8:20 AM on Weekends if I am at home. So whether or not this behavior helps in lengthening the battery life is hard to say, but it is a habit of mine that I carried over with the Blackberries I have used.

    To better identify your issues, the Battery Usage is KEY to identifying your problems and also doing EXACTLY what I did above to help narrow down the possible causes of power drain on your droid. Without knowing details like how I posted above, it makes it difficult how to better help you.
     
    #1 keiichi25, Dec 13, 2009
    Last edited: Dec 13, 2009
  2. raven1911

    raven1911 Member

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    Didn't we try this in another thread? I posted my apps in the other thread but no one responded. The thread just died. Frustrating since I know there are others that have the same problem but are not posting anything. I think I am just going to exhange my Droid if my battery performance is still an issue.
     
  3. keiichi25

    keiichi25 Member

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    Actually, this was posted for the FAQ section, Raven. And I just now gotten a chance to get back to looking here, that I should also add, from further experience, The Battery Usage should be checked near the end of the battery, not when you just recent unplugged your charger from it.

    Some of the mis-reports show that Display was using a lot and that is after an unplug, which would be a bad indicator as you just recently unplugged and everything is measured at the time of unplug versus overall.

    The problem that has been consistent, though is that the amount of information is 'after' the battery died and not just before to get a better idea of what is using the battery.
     
  4. 640k

    640k Silver Member

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    i've been saying this all along. the usage is an indication of overall averages for a current environment. it's like averaging your mpg before you actually fill your tank.

    i use my phone how it's supposed to be used, as a smartphone. i don't break my neck with dim displays, task killers or limitations of services and i have a superior experience.

    i think this was adequately covered in the "understanding battery life" and "you don't need to kill apps" (or whatever) threads. i think the bigger issue is that the mods need to pay closer attention to the newest members joining, posting the same questions that already been answered and then having those questions answered by other new members with misleading or inaccurate information.
     
  5. raven1911

    raven1911 Member

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    Took off full charge at 9am. By 3pm I was at 30% battery having 50 min of conversation/voice calls, 19 text messages, zero internet and games. By 6pm my battery was warning me at under 15%. Use told me standby @ 37%, display @ 12%, phone idle at 25%, android os @ 9% and rest of the stuff @ 5% or lower. I just don't get it my battery was gone in 9 hrs with light use IMO. Before the update I had much better battery life. I just wanted to see if I was being unreasonable before I decide to exchange my phone/battery. All these percentages where at the end of the day before plugging it in the charger.

    I started a thread on this and didn't get anywhere.

    http://www.droidforums.net/forum/dr.../9690-does-seem-like-normal-battery-life.html

    I also posted my apps in another thread that died. I sure wish I could get this fixed.

    http://www.droidforums.net/forum/droid-general-discussions/8293-battery-sucks-after-update.html

    What do you all think??
     
  6. raven1911

    raven1911 Member

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    So today was worse.

    Took off full charge at 8:30am, right now at 4pm I am at 30% battery.

    Beautiful Widgets = 56%
    Display=17%
    Android system=5%
    Phone idle=4%
    Voice calls=4%
    Standby=4%
    Browser=4%
    Android OS=3%
    Email=2%
    Shopsavvy=2%

    This phone was used for One call today for a grand total of 2 min 21 sec, 7 text messages and some very light browsing of the internet and android market. Anyone have any ideas? I removed PdaNet thinking it might be a problem. The battery has been very warm until I took off PdaNet today, then it cooled down. Again, any ideas here? I am thinking of just exchanging the darn thing, or maybe a hard reset and remove everything and start over again and see what happens.
     
  7. Anonymouse

    Anonymouse Member

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    Well, in the OP, it specifically said that BEAUTIFUL WIDGETS RAPES YOUR BATTERY.
     
  8. raven1911

    raven1911 Member

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    Problem is that I just installed beautiful widgets two days ago,but I have been having this problem since BEFORE the OTA. I did the manual update a few days before the ota came out. I know it says beautiful widgets is taking my battery but I have another day I wrote down where BW was not installed and this is what I had:

    Off charger at 8:45 and by 3:30 it was at 30%.
    50 min of calls
    19 texts
    No internet
    No games

    Voice= 55%
    Display=24%
    Idle=5%
    Android sys=5%
    Standby=4%
    Android OS=2%
    Handcent=2%
    Email=2%
    Android core apps=2%
    So in roughly 6 hrs my battery was drained with 50 min of calls and 19 texts? No beautiful widgets on that one either.

    I did a hard reset so we will see what happens.