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02-23-2013 10:23 PM
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  1. MrTofu's Avatar
    Since downloading Portico yesterday I have been noticing the auto brightness dimming and brightening when in consistent lighting. Think I recall 920 users mentioning that a while back. Anyone else experiencing this? Otherwise, I think the update has been for the better.
    01-17-2013 09:41 PM
  2. pankaj981's Avatar
    I had the auto brightness issue, re-calibrated it and all's well now...
    01-17-2013 09:59 PM
  3. MrTofu's Avatar
    Hmm, vaguely recall reading abt that. Did u do a soft reset in the dark, or something like that?
    01-17-2013 10:36 PM
  4. NocTurnerV's Avatar
    Ever since I performed the update, my battery life has been *terrible*. With no usage and strong signal, it's losing about 15-20% battery per hour. This also happens with my backup battery. Prior to the Portico update, my battery was significantly better. Is anyone else experiencing this? 5-6 hours of uptime is just plain not going to be acceptable for me, and I hope it's something that can be resolved!
    01-17-2013 10:56 PM
  5. mky4b11's Avatar
    i am also exerience twice as bad battery lost used to be 1.2%/2% an hour average according to battery sense. it is now 4-5%
    01-17-2013 11:25 PM
  6. Wyn6's Avatar
    Have either of you turned on persistent Wi-fi? Because, keeping Wi-Fi on all day will certainly kill your battery.
    01-18-2013 12:00 AM
  7. NocTurnerV's Avatar
    Have either of you turned on persistent Wi-fi? Because, keeping Wi-Fi on all day will certainly kill your battery.
    I assumed that's what it was at first, because I had turned that feature on. Unfortunately, keeping persistent WiFi off has not made any sort of difference whatsoever. There are no additional apps or background tasks running, no new power hungry-hungry apps installed, etc. The battery life has just plain gone down the toilet.
    01-18-2013 12:12 AM
  8. MrTofu's Avatar
    As far as I can tell, the battery life has been about the same for me.
    And I did recalibrate the phone and the brightness issue seems to have gone away. Yay.
    Last edited by Mr. Tofu; 01-18-2013 at 01:22 AM.
    01-18-2013 12:31 AM
  9. mky4b11's Avatar
    I've had WiFi and persistent wifi off all day just to test the battery lost. Im On a fresh charge right now, so will be observing how it drains with regular usage.
    01-18-2013 01:43 AM
  10. TechAbstract's Avatar
    I soft reset the phone and battery life is normal again like before the update.
    01-18-2013 02:19 AM
  11. vinnyvin's Avatar
    I soft reset after every charge, lasts longer, is 16 hours normal use good? Because some people are saying they get like 24 hours or so. I have nothing running in the background
    01-18-2013 03:19 AM
  12. rush_ad's Avatar
    I do seem to have shorter battery life after the update. Can't provide actual numbers though.

    And what is this brightness calibration? How do I do that?
    01-18-2013 07:45 AM
  13. jgbstetson's Avatar
    After the update, I had one really bad day of battery life. But I haven't observed that since. I run with NFC and WiFi and Bluetooth on (but not usually connected). With occasional usage during the workday and heavy usage in the morning, I get home from work with 1/4 to spare. Not bad methinks.
    01-18-2013 09:01 AM
  14. crocobro's Avatar
    Woke up this morning to see that my phone drained about 15% on airplane mode and battery saver on overnight. This definitely wasn't the case for me before the Portico update.

    AAlso, how can I soft reset my phone?
    01-18-2013 02:58 PM
  15. pankaj981's Avatar
    I do seem to have shorter battery life after the update. Can't provide actual numbers though.

    And what is this brightness calibration? How do I do that?
    Start the phone in a pitch dark room, the screen brightness sensor sets the lower limit to the darkness and hence it gets calibrated for the lowest limit, auto brightness works as expected after that.
    01-18-2013 03:36 PM
  16. Guzzler3's Avatar
    Heads up, you need to charge cycle your phone a couple of times after the update, in order to see any battery life improvements.

    Meaning you need to run down the battery (preferably to self shutdown) and then recharge, at least once. After you should see a nice improvement in battery longevity.
    01-18-2013 06:22 PM
  17. ryan.kruger's Avatar
    Good to know. When I finally get Portico.
    01-18-2013 06:40 PM
  18. tiny_hands's Avatar
    Heads up, you need to charge cycle your phone a couple of times after the update, in order to see any battery life improvements.

    Meaning you need to run down the battery (preferably to self shutdown) and then recharge, at least once. After you should see a nice improvement in battery longevity.
    On what information is this based? Official MS or Nokia recommendation?
    01-18-2013 07:11 PM
  19. Sario27's Avatar
    The only issue I am having which isn't really an issue: I'm now again not allowed to use "Internet Sharing" without it being part of my T-Mobile plan. Before the update if you had the "Access Point" app installed in setting and selected "T-Mobile" it would some how by-pass the plan check when using "Internet Sharing". Is anyone else perhaps experiencing this issue, that could use "Internet Sharing" prior to the update with the "Access Point" bypass??
    01-18-2013 07:15 PM
  20. Mystictrust's Avatar
    The only issue I am having which isn't really an issue: I'm now again not allowed to use "Internet Sharing" without it being part of my T-Mobile plan. Before the update if you had the "Access Point" app installed in setting and selected "T-Mobile" it would some how by-pass the plan check when using "Internet Sharing". Is anyone else perhaps experiencing this issue, that could use "Internet Sharing" prior to the update with the "Access Point" bypass??
    Yep.. I think T-Mobile threw in a little extra security for themselves with Portico. Hopefully it doesn't affect unlocked phones with different sim cards in them - because then we're back to square one.
    01-18-2013 07:22 PM
  21. NocTurnerV's Avatar
    Meaning you need to run down the battery (preferably to self shutdown) and then recharge, at least once. After you should see a nice improvement in battery longevity.
    I can vouch that this worked for me. Once I let it run down to the point where it shut itself off, the battery life seems to be back to normal. Its definitely worth a try for those having issues!
    Mystictrust likes this.
    01-18-2013 10:28 PM
  22. Guzzler3's Avatar
    On what information is this based? Official MS or Nokia recommendation?
    Experience.

    Also, practically every manufacturer of things that use Lithium batteries, recommend that you charge cycle a couple of times when you get a new device, so it can "calibrate" it's battery meter. Well, when you do a major update like Portico, you tend to loose the calibration information for some reason (lazy programmers?) so it's good to do a charge cycle.

    With my 810 after the update the battery meter was saying I could barely get 12 hours off a charge. Previously I would say I could get just over 24 hours off a single charge (I use my phone a lot during the day). I decided it was time to do a charge cycle. i made sure the phone had a full charge, I then turned on every feature I could (Bluetooth, NFC, WiFi during lock, long timeout for lock screen, etc.), turned off the "Battery Saver". Then I queued up all my songs, plugged in some cheap headphones and cranked up the volume to 30 (without wearing them), and surfed the net till the phone powered down (it took awhile, but it powered down right before I went to bed luckily). Proceeded to charge the phone overnight.

    In the morning, I went through and changed my settings back to what I had before, Bluetooth off (I don't have any other Bluetooth devices), NFC off (don't know anyone else with a NFC phone, nor do I have any NFC tags), WiFi off during lock (I have unlimited cellular data, so no big deal), lock screen timeout back to 1 minute. Things are back to being better than before. The phone now says I could get around 36 hours of use before a charge is required. Last night when I went to bed it said I still had 65% charge left (it's never been that good) before I plugged it in.

    So try it, it only costs time to do it.
    01-19-2013 11:04 AM
  23. ryan.kruger's Avatar
    Experience.

    Also, practically every manufacturer of things that use Lithium batteries, recommend that you charge cycle a couple of times when you get a new device, so it can "calibrate" it's battery meter. Well, when you do a major update like Portico, you tend to loose the calibration information for some reason (lazy programmers?) so it's good to do a charge cycle.

    With my 810 after the update the battery meter was saying I could barely get 12 hours off a charge. Previously I would say I could get just over 24 hours off a single charge (I use my phone a lot during the day). I decided it was time to do a charge cycle. i made sure the phone had a full charge, I then turned on every feature I could (Bluetooth, NFC, WiFi during lock, long timeout for lock screen, etc.), turned off the "Battery Saver". Then I queued up all my songs, plugged in some cheap headphones and cranked up the volume to 30 (without wearing them), and surfed the net till the phone powered down (it took awhile, but it powered down right before I went to bed luckily). Proceeded to charge the phone overnight.

    In the morning, I went through and changed my settings back to what I had before, Bluetooth off (I don't have any other Bluetooth devices), NFC off (don't know anyone else with a NFC phone, nor do I have any NFC tags), WiFi off during lock (I have unlimited cellular data, so no big deal), lock screen timeout back to 1 minute. Things are back to being better than before. The phone now says I could get around 36 hours of use before a charge is required. Last night when I went to bed it said I still had 65% charge left (it's never been that good) before I plugged it in.

    So try it, it only costs time to do it.
    very good. Thanks for this
    kayse7en likes this.
    01-19-2013 12:58 PM
  24. Mystictrust's Avatar
    Experience.

    Also, practically every manufacturer of things that use Lithium batteries, recommend that you charge cycle a couple of times when you get a new device, so it can "calibrate" it's battery meter. Well, when you do a major update like Portico, you tend to loose the calibration information for some reason (lazy programmers?) so it's good to do a charge cycle.

    i made sure the phone had a full charge, I then turned on every feature I could...
    FYI: there's at least one app in the marketplace designed to drain your battery for things just like this... And it's supposed to drain it very quickly, so no turning on everything and just waiting.
    01-19-2013 01:39 PM
  25. Angry_Mushroom's Avatar
    Only issues I'm having is the auto brightness. Battery life appears to be the same or even better on my end.
    01-19-2013 10:53 PM
36 12

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