1. wawapumaa's Avatar
    Hello,

    How to re calibrate my battery ??
    Do I need to discharge my phone from 100% to 0% ?? My battery showing me 8 hours of battery life from 100%. I have my passport since 1 month never had problem before. So I did a hard reset. A fresh install and it is still the same. My battery going down really fast. I do not have any android apps.
    What's the procedure for calibration??

    Posted via CB10
    11-12-14 11:02 AM
  2. Adif_70's Avatar
    I believe if you have it charging and you do a hard reset a couple of times. No reason you battery should show this. Let's see you device monitor screen.

    Mine is below.
    How to recalibrate the battery ?-img_20141112_110331.png

    Posted with my 6 week old superb Passport!
    11-12-14 11:04 AM
  3. wawapumaa's Avatar
    Now I have this
    How to recalibrate the battery ?-img_20141112_172212.png

    Posted via CB10
    11-12-14 11:22 AM
  4. anon(870071)'s Avatar
    The battery (lithium ion) does not need to be calibrated. DO you think it may be an app that is constantly pushing information deleting battery power? Ive had my device since launch day and even by bed time with normal usage I still have about 55% battery life remaining at the end of day.
    thymaster likes this.
    11-12-14 11:27 AM
  5. wawapumaa's Avatar
    To be honest I just installed crackberry application. Nothing else. II tried with and without data off it is the same result

    Posted via CB10
    11-12-14 11:29 AM
  6. Hai Bo's Avatar
    When it shows you 8 hr of battery more, it calculates from your immediate previous usage and that may not reflect your actual usage during the day.
    When the low battery warning (red battery) comes up after 8 hr of usage, you may have a problem. Check under battery usage to see which app/function having been consuming your battery away and you'll find the reason.
    For me, Skype, which was preinstalled, was really funny. I never open the app on my Passport, but one afternoon last week, it appeared to run by itself as it consumed more than 30% of battery in less than 2 hr. And I had never open Skype, not to say logging in.
    11-12-14 01:45 PM
  7. nah.uhh's Avatar
    Try this

    http://appworld.blackberry.com/webst...ntent/19908036

    ^ use that to view battery health.
    Charge batter to 100% and wait for the app to show that charging is complete
    Then with the charger still connected, restart the phone.
    Check the app again after, and see if the battery health changed

    OS 10.3.1.1016: destructive 821 > upgrade 800 > upgrade 938 > delta 1016
    11-12-14 02:14 PM
  8. dmlis's Avatar
    Battery Guru allows to recalibrate.
    11-14-14 06:01 PM
  9. presean's Avatar
    Battery Guru allows to recalibrate.
    How ?

    Posted from my flawless BlackBerry Passport
    11-15-14 08:21 AM
  10. Coraya's Avatar
    These are the apps I use, and following is my battery usage yesterday. I streamed slacker for 2 hours in the morning, and for 5 hours immediately after that I streamed nobex. Posted on forums like mad like I usually do and did work on it. My battery is performing very well I'm my opinion.

    How to recalibrate the battery ?-img_20141115_093811.png
    How to recalibrate the battery ?-img_20141115_093818.png
    How to recalibrate the battery ?-img_20141115_093821.png
    How to recalibrate the battery ?-img_20141115_093824.png
    How to recalibrate the battery ?-img_20141114_235630.png

    Posted via unlocked PASSPORT
    11-15-14 09:41 AM
  11. wawapumaa's Avatar
    It is ok. I succeed. I discharge the battery and then charge until 100%, did an hard reset. It seems to be ok now. I will see how it goes later. Thanks.


    Posted via CB10
    11-15-14 09:49 AM
  12. Coraya's Avatar
    It is ok. I succeed. I discharge the battery and then charge until 100%, did an hard reset. It seems to be ok now. I will see how it goes later. Thanks.


    Posted via CB10
    Please give us an update on this after a day or two. It could help many other passport users that may have the same issue.

    Posted via unlocked PASSPORT
    11-15-14 10:01 AM
  13. wawapumaa's Avatar
    Please give us an update on this after a day or two. It could help many other passport users that may have the same issue.

    Posted via unlocked PASSPORT
    I will

    Posted via CB10
    11-15-14 11:48 AM
  14. nah.uhh's Avatar
    It is ok. I succeed. I discharge the battery and then charge until 100%, did an hard reset. It seems to be ok now. I will see how it goes later. Thanks.


    Posted via CB10
    I prefer to never fully discharge my battery.

    What works for me, as I posted above. Is the opposite.

    Charge to full, then reboot while connected to charger and check battery health. If low, continue charging

    OS 10.3.1.1016: destructive 821 > upgrade 800 > upgrade 938 > delta 1016
    11-15-14 02:13 PM
  15. Coraya's Avatar
    I prefer to never fully discharge my battery.

    What works for me, as I posted above. Is the opposite.

    Charge to full, then reboot while connected to charger and check battery health. If low, continue charging

    OS 10.3.1.1016: destructive 821 > upgrade 800 > upgrade 938 > delta 1016
    I agree. Don't discharge. Charge to 100% then hard reset with volume rockers while the device is still connected to the charger.

    The Amazing Passport is charging, Posted via Q10
    11-15-14 04:00 PM
  16. dmlis's Avatar
    How ?

    Posted from my flawless BlackBerry Passport
    It is explained in the app. Keep Awake toggle on and follow instructions. Long process.
    11-20-14 07:09 AM
  17. law_ren22's Avatar
    Is it okay to leave the passport charging overnight?

    Posted via CrackBerry App
    11-20-14 10:15 AM
  18. Barbareren's Avatar
    What has always worked for me is to fully drain and recharge the battery 3 times in a row. I've always done this with all my smartphones when the battery life has started decreasing, and it has always helped. I also follow this procedure every time I buy a new phone. I know some people say that you should never fully drain the battery. However, from personal experience, doing this once in a while has always improved the battery life on my devices.

    Posted via CB10
    11-20-14 11:09 AM
  19. FrankIAm's Avatar
    First mistake is trusting the estimate on device monitor. Did you not see the reply stating that it's useless? He is right.

    Q10SQN100-1/10.3.1.1151
    11-20-14 11:16 AM

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