12-25-13 07:21 PM
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  1. tickerguy's Avatar
    It appears that the battery problems with the 10.2.1 leak are LTE related. I have been able to return idle power consumption back to normal by shutting that off.

    Note that this is not a general indictment of LTE power consumption as with 10.2.0.1803 the problem did not exist. It clearly is a radio code-related issue and not innate to the LTE radio use.
    11-21-13 08:08 AM
  2. ConRed's Avatar
    It appears that the battery problems with the 10.2.1 leak are LTE related. I have been able to return idle power consumption back to normal by shutting that off.

    Note that this is not a general indictment of LTE power consumption as with 10.2.0.1803 the problem did not exist. It clearly is a radio code-related issue and not innate to the LTE radio use.
    I'm cautious to claim that as the sole issue. If you turn off LTE on a stable/official build, battery life will drastically improve as well. So say you could get 10-12 hours out of you're phone without LTE where as you usually get 8. So you're extending the life on the leaked OS by turning it off, but I doubt that it's the root of the issue.

    Posted Via CB10 on my BB10. (Curve 8530 > Curve 9330 > Z10 STL3 on TMO + Playbook)
    11-21-13 09:20 AM
  3. lord_hibiskus's Avatar
    for me so far this ABSOLUTELY BEST os version regarding batery power. Easily manage day and a half even 2 days, and i even play battery crush(candy crush)
    11-21-13 09:28 AM
  4. tickerguy's Avatar
    I'm cautious to claim that as the sole issue. If you turn off LTE on a stable/official build, battery life will drastically improve as well. So say you could get 10-12 hours out of you're phone without LTE where as you usually get 8. So you're extending the life on the leaked OS by turning it off, but I doubt that it's the root of the issue.

    Posted Via CB10 on my BB10. (Curve 8530 > Curve 9330 > Z10 STL3 on TMO + Playbook)
    No it won't if the phone is idle. LTE requires less power on a per-bit moved basis as the coding is more-efficient. Yes, it requires more if you move more bits (e.g. are using the phone and hammering the data side harder) but in this case we're talking about an idle device.

    Further, the nice thing about the device monitor is that it allows you to see where the power is going. In this case consumption drops from ~0.4w idle and sleeping (screen off) with LTE turned on (wildly excessive) to the expected 0.1w idle and sleeping with it turned off.

    There was an occasional problem with revs prior to 10.2.0.1803 where the phone would get into a bad state with reselects in the RF code (which is terribly ugly in terms of what it does to power consumption.) In an area with 4g/4gLTE service transitions coming from LTE -> HSPA+ would often also lead to a wedged network stack that showed data available but the phone was "deaf" to data until the mobile network was cycled or you moved into a different technology area and forced a reselect. Again 10.2.0.1803 fixed both of these problems but they're present in 10.2.1.1055, I presume because the code was forked before the .1803 fixes were committed.

    I'm sure BlackBerry will fix this but in the meantime if you have HSPA+ service available and turn off LTE temporarily you should be able to avoid the battery and RF performance problems on this leak.
    11-21-13 10:46 AM
  5. dicks-webos's Avatar
    My battery drains to under 10% (being on WIFI or G2 only) in 3 days. Outrageous - how can BB call that a quality phone ?
    tickerguy and jafrul like this.
    11-21-13 10:49 AM
  6. ConRed's Avatar
    No it won't if the phone is idle. LTE requires less power on a per-bit moved basis as the coding is more-efficient. Yes, it requires more if you move more bits (e.g. are using the phone and hammering the data side harder) but in this case we're talking about an idle device.

    Further, the nice thing about the device monitor is that it allows you to see where the power is going. In this case consumption drops from ~0.4w idle and sleeping (screen off) with LTE turned on (wildly excessive) to the expected 0.1w idle and sleeping with it turned off.

    There was an occasional problem with revs prior to 10.2.0.1803 where the phone would get into a bad state with reselects in the RF code (which is terribly ugly in terms of what it does to power consumption.) In an area with 4g/4gLTE service transitions coming from LTE -> HSPA+ would often also lead to a wedged network stack that showed data available but the phone was "deaf" to data until the mobile network was cycled or you moved into a different technology area and forced a reselect. Again 10.2.0.1803 fixed both of these problems but they're present in 10.2.1.1055, I presume because the code was forked before the .1803 fixes were committed.

    I'm sure BlackBerry will fix this but in the meantime if you have HSPA+ service available and turn off LTE temporarily you should be able to avoid the battery and RF performance problems on this leak.
    I assumed you were turning off ALL data, not simply LTE. Apologies.

    Is 0.1w what you were typically reading on 1803 with LTE on? I have no way of comparing that, I came straight from 10.1 w/o device monitor, but I'm curious to see the comparison of LTE on/off on 1803 vs 1055. Thanks ahead of time if you got em.

    Posted Via CB10 on my BB10. (Curve 8530 > Curve 9330 > Z10 STL3 on TMO + Playbook)
    11-21-13 11:30 AM
  7. tickerguy's Avatar
    Yes; 0.1w was typical on 1803, phone idle and screen off, LTE enabled and in-service.

    With LTE disabled on 10.2.1.1055 I am seeing a nearly-identical power-use profile to what I was seeing on 10.2.0.1803 I have had the 10.2.1 system monitor bar file on my phone for quite a while and have been paying close attention to its power consumption both on an aggregate basis and also on a per-system-component basis for some time prior to loading 10.2.1.1055.

    I live in an interesting service area in that I can go from LTE -> HSPA+ -> 2.5G (EDGE) within the space of less than five miles, and thus have a bunch of interesting places I can go where I'm right on the edge of transition from one service technology to another to observe handset behavior.
    11-21-13 11:48 AM
  8. ravipiero's Avatar
    Same here, my Z10 last only 7 hours using stock battery with medium usage. This made me switched back to 4500mah extended battery, which lasted for the whole day but the battery turned hot several times, which never happened on stock battery.

    Posted via CB10
    11-21-13 11:53 AM
  9. campbecw's Avatar
    "External Display." Is this how miracast shows, or is that something else? Jus curious.

    Posted Via CB10 on my BB10. (Curve 8530 > Curve 9330 > Z10 STL3 on TMO + Playbook)
    I had it connected to my TV via hdmi cable

    Night Radio Show Tune-In and Discussion: C0012487D Q&A with an Ex-Mormon/LDS: C00121BDD
    11-21-13 11:58 AM
  10. green_ember's Avatar
    I have a STL100-4, run on LTE all day (my plant has repeaters), travel through marginal coverage on my 50 mile (each way) commute, leave WiFi and Location Services on all the time, have 7 different accounts on my phone, run tons of Android apps, and have NO complaints about my battery life on the leaked software. My phone has been off the charger for over 7 hours so far today, I read a day's worth of twitter and facebook updates already, have been messaging throughout the day, and still have 81% left. I did a clean install, no Link restore. Readded my apps from BBW and restored my contacts using Contact X. Hope this info helps people eliminate or improve their theories
    11-21-13 12:11 PM
  11. anon(5818411)'s Avatar
    I don't think you guys did a clean install of 10.2.1 it has many battery improvements even listed within the OS on heavy/medium use days on LTE, android APKs, games social etc it last 2 days easily on the Q10. 3 days just regular usage. Look at the chart half of the day I was 75% - 100% (which is considered heavy)

    I basically only use android apps like instagram, games (pants vs zombies, candy crush, temple run, subway surfer, super Mario, cod elite, Simpsons tapped out etc..), snapchat, my fitnesspal, fitocracy, Xbox smartglass,

    My brother has a Z10 does about the same I do and he lasts for 1 days heavy/medium usage.


    10.2.1 battery-img_00000616.png

    Posted via CB10
    Shabee Mahmud likes this.
    11-21-13 12:16 PM
  12. Eqi Sz's Avatar
    yeasssss... very hot and booooom battrey.........
    11-21-13 12:25 PM
  13. ConRed's Avatar
    I had it connected to my TV via hdmi cable

    Night Radio Show Tune-In and Discussion: C0012487D Q&A with an Ex-Mormon/LDS: C00121BDD
    Ah, thanks.

    Posted Via CB10 on my BB10. (Curve 8530 > Curve 9330 > Z10 STL3 on TMO + Playbook)
    11-21-13 03:16 PM
  14. ComfortablyNumb8's Avatar
    I had been happy with my battery life with this leak. Even post loading I didn't have any severe drains a very steady decline for the past 4 days. That is until today with not what I would call average usage. One phone call, several texts and BBM's more using the facebook app, brief browser use and the battery has drained to under 10% in less than 8 hours. Will monitor from now on.
    11-22-13 07:44 PM
  15. djsvet's Avatar
    Folks, earlier I reported I was having bad battery life for first time in the leaks game.
    Yesterday, I shut down the phone for 1 hour(battery in) and to my surprise this helped somehow. I finished the day with 40% juice left VS 10% - same usage. Then this morning, 8 hours later, it was at 30% - BT and mobile network/data, were ON, WiFi OFF all night.
    I hope this helps some of you.
    Unfortunately, the charge time is still ~4 hours.
    SQN100-5 here.

    Posted via CB10
    11-23-13 11:17 AM
  16. meltbox360's Avatar
    The humor extended batteries offer.
    Just wish I could make it stop blinking for low battery.
    Hehehe
    10.2.1 battery-img_00000022.png

    Posted via CB10
    11-23-13 12:18 PM
  17. djsvet's Avatar
    The humor extended batteries offer.
    Just wish I could make it stop blinking for low battery.
    Hehehe
    Click image for larger version. 

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    Posted via CB10
    Is that a Chinese one or mugen?


    Posted via CB10
    11-23-13 01:40 PM
  18. The Me's Avatar
    So, would it be okay to restore everything except for settings?
    11-28-13 06:47 PM
  19. bb8900edit's Avatar
    10.2.1 battery-img_00000081.png

    Posted via CB10
    11-28-13 08:00 PM
  20. Georgefly97's Avatar
    I get 4.5 hours on my z10 with 1055. How are you guys getting this battery life? :jealous:

    Via my Straight Talk ? Z10 .1055
    12-07-13 01:59 PM
  21. nairdaotnatus's Avatar
    Email accounts really play parts on battery life. My Z10 battery life beats my Q10 since my Q10 have 4 email accounts + Facebook + Twitter + BBM and my Z10 only has BBM

    *edited: I don't know if Android Applications influence battery life since I don't have it in my BlackBerry 10

    Posted via CB10
    12-25-13 06:32 PM
  22. Lendo's Avatar
    I get 4.5 hours on my z10 with 1055. How are you guys getting this battery life? :jealous:

    Via my Straight Talk ? Z10 .1055
    I'm getting a day outta my Z10 and a little more outta my Q10 on 10.2.1.1925
    12-25-13 07:21 PM
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