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Cell Standby Issue

Discussion in 'Android Devices' started by pingpongboss, May 25, 2010.

  1. pingpongboss

    pingpongboss Android Enthusiast
    Thread Starter

    http://lh4.ggpht.com/_NEvPcXQofAU/S_yS1aDOwvI/AAAAAAAAmBo/CLebmczPpLY/s512/2010-05-25 20.17.03.jpg

    This is ridiculous. My Evo's battery is barely lasting from 8am to 5pm. With almost no usage at all. Time without a signal shows 2%. The signal where I am at is very good. I get full bars almost all the time.

    I'm going to assume that the issue is on my end, unless some of you guys have the same problem. I have 2 theories to why the Cell Standby is almost 50%

    1. Since the Evo has so much memory, almost all applications are running in the background and never get killed. So they ones that use the 3g network in the background is killing the battery.

    2. Some software glitch might be making the phone search for 4G signals, even though I've explicitly disabled 4G.

    These are just wild guesses and probably are not right.. I'm just so sad the battery dies so fast.

    Anyone else got this issue? I might do a wipe tomorrow to see if it's an app I installed that's screwing things up.

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  2. SprintFun

    SprintFun Android Expert

    Download advanced task killer and manually kill off apps when you're done with them and see if that improves things.

    Also somebody mentioned that the FriendStream widget sucks up battery life by a big amount, do you have that active?
  3. pingpongboss

    pingpongboss Android Enthusiast
    Thread Starter

    No I dont have FriendStream. I've been using the task manager, but haven't been keeping tabs on whether it affects the batteries. I'll see.
  4. Bek

    Bek Android Expert

    Interesting, i will keep a close eye on my usage for the next few days and report back.
  5. pingpongboss

    pingpongboss Android Enthusiast
    Thread Starter

    How do your Battery Use bars look?
  6. CrazyTechnoBoy

    CrazyTechnoBoy Android Enthusiast

    I Heard Someone Mention That It Usually Takes Around 10 Charges To Fully Charge The Battery. Maybe That's Why.
  7. Roman G.

    Roman G. No-Posting Probation

    I know on my hero depending on which build I was using, TWS could be 50%, but cell-standby was always between 30 and 50%.
    On the builds with with 0% TWS and 30 to 50% cell-standby battery was great, but on build with 50% TWS and 30 to 50% cell-standby I would get less than a day.
  8. pingpongboss

    pingpongboss Android Enthusiast
    Thread Starter

    On my Droid I had that problem with custom ROMs, but fixed it with the Airplane Mode trick. You should try that (google it). Got my TWS on Droid down to 0 again.

    Edit: Already tried that "fix" on the Evo, didn't work
  9. Bek

    Bek Android Expert

    I posted a detailed usage report in my own review thread, so check that out.

    I don't follow your question here?
  10. roninld

    roninld Member

    Can you check what your Up Time vs Awake Time is? Path on the Incredible is Settings>About Phone>Battery. Having this equal is what killed my phone, and has been an issue with some people over on the Incredible side.

    Do you have a Flickr account setup on your phone? If so, try deleting the account and restarting the phone to see if that helps.

    Worked for my Incredible and now getting 2 days with medium use whereas before I was getting like 12 hours.

    Here is the post:
  11. Bek

    Bek Android Expert

    Right now...

    Battery Level is about 50% (haven't plugged it in since this morning)

    Up Time: 1:00:23
    Awake Time: 0:15:46

    Battery Use:
    Android System 36%
    Cell Standby 31%
    Phone Idle 25%
    Display 8%

    I'll go read that other thread you linked to now. And no, I don't have a Flickr account set up.
  12. pingpongboss

    pingpongboss Android Enthusiast
    Thread Starter

    I meant how is your battery usage distributed: http://lh4.ggpht.com/_NEvPcXQofAU/S_yS1aDOwvI/AAAAAAAAmBo/CLebmczPpLY/s512/2010-05-25 20.17.03.jpg

    Hmm I removed the Flickr account yesterday night before seeing your post. I'll see how the battery holds up today at work.
  13. roninld

    roninld Member

    Big battery killer was UpTime = Awake time. Ended up being related to Calendar process not letting phone sleep, which deleting Flickr account seemed to fix.

    Anyway, I'll be interested to hear how things go for you today.
  14. twospirits likes this.
  15. pingpongboss

    pingpongboss Android Enthusiast
    Thread Starter

    Ok after another day of using the Evo, my batteries are still dying around 5pm.

    No flickr, no friendstream, no 4g, awake time != upTime, cell standby still dominating (but with ~35% instead of 40%), all unused apps killed with Advanced Task Manager, etc

    Maybe this is supposed to be the battery life of the Evo? If thats the case, then it's very disappointing as my Droid lasts through the day with no problem, even though it's clocked at 1.2 ghz.

    And another thing I still don't understand is why Cell Standby is so high on the Evo and Display is so low. On the Droid Display is like 70% and cell standby not more than 20%..
  16. Bek

    Bek Android Expert

    Can you clarify what your usage was like, during the day? Approximately how many hours since you had (presumably) fully charged and what % were you at when it was "dying."
  17. pingpongboss

    pingpongboss Android Enthusiast
    Thread Starter

    Usage was very minimal. I tried to turn on the screen as little as I could, just to measure the affects on my battery life.

    As you can see in my first post, my display takes up very little battery power. The cell standby seems to be draining it the most.

    Around 5pm, the less than 5% warning would come up.
  18. djkleric

    djkleric Well-Known Member

    First is the time with out signal high? if so try this.
    Go into the dialer and dial *#*#4636#*#*
    this will take you to this screen
    Hit phone info which will take you to this screen

    scroll down and you will see this.

    if it is on GSM auto PRL switch it to CDMA Auto Prl

    This seemed to help my battery life on my hero
    maybe it will work on the EVO
    Bek likes this.
  19. Evo_Pimpin

    Evo_Pimpin Well-Known Member

    Some good tips in here.
  20. djdisturbed

    djdisturbed Android Enthusiast

    I wonder if any of the other old cdma codes work on the evo........
  21. pingpongboss

    pingpongboss Android Enthusiast
    Thread Starter

    Can you define what a high percentage would be? I regularly see 3% for TWS. My Evo is already set to CDMA Auto PRL. Thanks

    I tried a lot of the codes on here Google Android Phone Codes - Nexus One Forum - Google Phone Forum

    But very few work on the Evo.
  22. djdisturbed

    djdisturbed Android Enthusiast

    hmm, here is a list of other code that i have found to work on several diff phones (not just pre's) most of the are sprint's standard CDMA hash code that the techs use to work/fix/program things
    Pre Specific Hash Codes - PreCentral Forums
    (not all of these, some ARE just for the pre, but some i have gotten to work on several sprint AND nextel phones i have used in the past)

HTC EVO 4G Forum

The HTC EVO 4G release date was June 2010. Features and Specs include a 4.3" inch screen, 8MP camera, 512GB RAM, Snapdragon S1 processor, and 1500mAh battery.

June 2010
Release Date

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