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Upgrade to 4.0.4 wont install

This is a discussion on Upgrade to 4.0.4 wont install within the Motorola Xoom WiFi General Discussion forums, part of the Motorola Xoom WiFi Only Forum category; I recently bought a new Moto Xoom Wifi version. It came installed with Android 4.0.3, however after doing the system update check i saw that ...

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  1. #1
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    Question Upgrade to 4.0.4 wont install

    I recently bought a new Moto Xoom Wifi version. It came installed with Android 4.0.3, however after doing the system update check i saw that version 4.0.4 could be installed. I installed the new version and everything seemed to install correctly (no errors), but it still shows version 4.0.3 as the current version. About once every 3 days my Xoom tells me there is a system update available however the end result is always the same. Can someone tell me if there is a trick to get this installed correctly???? Thanks!!!

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  3. #2
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    Quote Originally Posted by Lazard103 View Post
    I recently bought a new Moto Xoom Wifi version. It came installed with Android 4.0.3, however after doing the system update check i saw that version 4.0.4 could be installed. I installed the new version and everything seemed to install correctly (no errors), but it still shows version 4.0.3 as the current version. About once every 3 days my Xoom tells me there is a system update available however the end result is always the same. Can someone tell me if there is a trick to get this installed correctly???? Thanks!!!
    Welcome to the forum. Glad you decided to join us. Does it give you any error messages?



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    OnePlus 6T


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    I just pressed the down volume button while the green man was on the screen and it said
    E:failed to verify whole-file signature
    E:signature verification failed
    Installation Failed

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    Quote Originally Posted by Lazard103 View Post
    I just pressed the down volume button while the green man was on the screen and it said
    E:failed to verify whole-file signature
    E:signature verification failed
    Installation Failed
    Boot to recovery and wipe your cache partition, then try the update. Press and hold the power button and the volume up button together until the xoom starts to reboot, when the screen starts to change start tapping the volume down button until you see android recovery in the upper left of your screen, tap the volume up button to enter the android recovery. From there you can clear your cache partition and reboot or do a factory data reset and reboot.



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  6. #5
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    It is doing the same thing, after the install reboot i is just sitting on the dead green guy with a red triangle and nothing else on the screen. If i press the power and volume up buttons then it displays the recovery mode screen and also then displays the same E:verify signature errors at the bottom. I have to click the reboot sytem to get off that screen.

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    Do you have a good strong wifi connection?



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    Yes my wifi connection is very strong, i just recently installed a wireless router that has a very strong signal

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    Quote Originally Posted by Lazard103 View Post
    Yes my wifi connection is very strong, i just recently installed a wireless router that has a very strong signal
    Is your Xoom rooted? If so, the update won't install.



    Sent from my ADR6400L using Tapatalk 2

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    No I bought it brand new and have not rooted it. I have also noticed that even when i go into Recovery mode the little green guy with the red triangle is on the screen (dont know if that should be there or not) with no options at all, and i have to press the power button and volume up for it the display the options about clearing cache and rebooting. I am starting to think i am going to need to factory restore it, but i am hoping to find out something else.

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    try these instructions to enter the android recovery, the one earlier was for custom rooted recovery. Just scroll down until you see wipe cache partition.

    1. Turn tablet off. You may need to use two hands in this process to press and hold buttons properly.


    2. Turn on the tablet with power button, wait a full 2 seconds from the time the tablet starts showing the red Motorola logo, then press and hold the down Volume key. (you should not hold down the power button after it turns on and logo appears)


    3. "Android Recovery" will appear on top of screen if timing is done correctly. Release volume button. (if you continue to press volume down at that message, the message will cycle through "RSD, Fastboot, and back to Android Recovery. Make sure message states Android Recovery before you go to next step). If stuck at a RSD protocol or Fast boot screen, reboot the tablet by holding power button then pressing the volume up).


    4. While screen states "Android Recovery", Press volume up button, the screen will say "Entering Android recovery mode" and a few seconds later an Android robot graphic will appear alone on the screen. Release buttons.


    5. Hold down power button and then press the volume up key together to see the Android Recovery screen menu selections.


    6. Use the volume buttons to move up and down through selection in this menu.


    7. Using the volume down button, scroll down to “Wipe data/factory reset”


    8. Tap Power hard key to select option.


    9. Scroll down to select “Yes, delete all user data”.


    10. Tap the power button to select. Wiping and formatting data will take a few minutes.


    11. You will return back to the Android recovery screen menu.


    12. Tap the Power button to "Reboot system now" which will power-cycle tablet and eventually power back on to the Initial Set-up / Welcome screen present when you first turned on your tablet.



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