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Thread: TF701 KITKAT firmware update - KOT49H WW_epad-11 4.1.17-20140711 - ALL posts here

  1. #51
    Soundwave
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    Update:

    My Setup:

    I don't have the keyboard dock at all, don't use auto-sync, always have wifi on, always have my email app running which checks mail every 10 minutes, and have set screen brightness at approximately 70%.

    With 4.3 I could leave my tablet sleeping for at LEAST 8 hours usually closer to 10 before even losing 1% battery life. After I smoothly updated to 4.4.2 using just the OTA update the battery life while screen off seemed to be quite bad... so I went through the steps to cold boot, backup (only pics and video files), wipe*3, and re-download manually all my apps then cold boot again.

    The Testing:

    I charged the unit to 100%, unplugged, watched Netflix for a little over 3 hours and the battery was down to 70%.
    That's roughly 10% power per hour while in 'normal' use.

    I ended Netflix, ended all tasks other than my email app, left the unit sleeping for 5 hours and it was down to 30%.
    That's roughly 8% power per hour while sleeping.

    Checking the Battery stats in the settings showed the power consumpton of Screen at 39%, Android OS at 29%, followed by Wifi at 11% and Netflix at 8%.

    The Results: Nothing seems to have changed in the battery consumption. It's still quite bad.

    This does not bode well for this OS change for me...
    Last edited by AshRealms; 07-21-2014 at 03:57 PM.

  2. #52
    Jazz
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    This is more anecdotal than experimental. I realized after installing 4.4 that it was not using the same power saving options as prior to the install. I realized it today when I unplugged from charger this morning, drove to work, and after 3 hours or so was at 75% battery. Normally it would be mostly charged. Changed settings and will try again tomorrow.
    Using both a new TF701 and my original TF101 is still going strong

  3. #53
    Ironhide
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    Ok Jsquared! Be interested to know what happened when you reset back to power saving mode!

  4. #54
    Soundwave
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    As far as I can tell the Power Saving options only have to do with Screen Brightness changes while the unit is NOT sleeping, by looking at Custom Settings. If this is the case then it would have changed nothing unless you had your screen time limit set very long and it was on the whole time.
    Last edited by AshRealms; 07-21-2014 at 02:46 PM.

  5. #55
    Ironhide
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    Quote Originally Posted by AshRealms View Post
    The only Power Saving options have to do with Screen Brightness changes while the unit is NOT sleeping. It would change nothing in this case unless you had your screen time limit set very long and it was on the whole time.
    Is it possible to force it to sleep with a third party utility under 4.4?

  6. #56
    Soundwave
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    Quote Originally Posted by davioh View Post
    Is it possible to force it to sleep with a third party utility under 4.4?
    You can't even use wake lock detector with 4.4 anymore. Google is locking it down so tight we can't analyze our own equipment to figure out the problems.

  7. #57
    Ironhide
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    Quote Originally Posted by AshRealms View Post
    You can't even use wake lock detector with 4.4 anymore. Google is locking it down so tight we can't analyze our own equipment to figure out the problems.
    I was totally unaware of this new restriction.

  8. #58
    Jazz
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    Quote Originally Posted by AshRealms View Post
    As far as I can tell the Power Saving options only have to do with Screen Brightness changes while the unit is NOT sleeping, by looking at Custom Settings. If this is the case then it would have changed nothing unless you had your screen time limit set very long and it was on the whole time.
    Not true, it also determines whether wifi stays connected when closed. When wifi stays connected, there can be a lot of push notifications and such.

    The android OS was eating up the most of teh battery, and the unti was warm when I removed it from the carrying case. Nrmally it would not have been. I don;t really know what it was processing.
    Using both a new TF701 and my original TF101 is still going strong

  9. #59
    Ironhide
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    Quote Originally Posted by jsquared View Post
    Not true, it also determines whether wifi stays connected when closed. When wifi stays connected, there can be a lot of push notifications and such.

    The android OS was eating up the most of teh battery, and the unti was warm when I removed it from the carrying case. Nrmally it would not have been. I don;t really know what it was processing.
    Hi Jsquared. Just a quick thought double check some settings such as GPS and Google account sync still being turned off. Perhaps that's what it was processing? If so that can chew through the battery very quickly!

  10. #60
    Soundwave
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    Exclamation After firmware update to 4.4.2

    Wife's TF701T had a firmware update to 4.4.2 the other day but not all is well.
    1. If the lid is closed and the machine is not used for a while, often (but not all ways) when opening it does not wake up. Have to press power button and volume down for 10 sec to do a re-boot.
    2. The icons in the top left corner show that it is docked, but only shows the key board some of the time and if it does it is only fleetingly and it disappears again. But keyboard does work.
    3. Machine has a SD card and an micro SD card, and it now only shows 1 card. Though in file manager it sees both, and can access both.
    Has any body else had these strange things happen since the last firmware update.

    Brian R.

 

 
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