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  1. #1
    Soundwave
    Member #
    89614
    Join Date
    Mar 2016
    Tablet
    TF300T
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    Recovery Flashing Issue

    Hi Everyone,
    I just got a TF300T and I unlocked and rooted it. It is running Android 4.0.3 and bootloader 9.4.3.30.

    I attempted to install Kang TWRP and when I tried to boot into recovery, it just hung there at "booting recovery kernal image". So I tried many other versions of TWRP and all of the otherones sit at "booting recovery kernal image" for a few moments, but then restart again and boot into Android like normal.

    I've tried fastboot commands, I've tried terminal commands with dd. I've tried erasing recovery, writing to 0x0b05 and not, writing to staging. I've tried using Rashr and still nothing. The only time it even gives me a clue that it is trying to load recovery is when it hangs on the kang version. I noticed on their site it says "MUST BE ON A BOOTLOADER ENDING IN 27.1 or 27.5" so I am not really expecting it to work.

    Does anyone have any ideas. I'm pretty exhausted at this point.

  2. #2
    Chief Customizer & Super Moderator
    Supporting Member

    Member #
    47492
    Join Date
    Oct 2012
    Tablet
    TF700
    Posts
    2,724
    Liked
    711 times
    The first thing you have to do is getting on the latest bootloader! And the easiest and safest way to do so is to flash the latest Asus stock firmware. Check this out for instructions:
    [GUIDE] How to manually update/restore firmware (TF101, TF201, TF300, TF700, TF701)

    Once you are on the required bootloader, then you can flash a compatible recovery.


    Consider yourself very lucky mate! A very easy way to brick this tablet is to use a recovery incompatible with the installed bootloader

  3. #3
    Soundwave
    Member #
    89614
    Join Date
    Mar 2016
    Tablet
    TF300T
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    Quote Originally Posted by calador34 View Post
    Hi Everyone,
    I just got a TF300T and I unlocked and rooted it. It is running Android 4.0.3 and bootloader 9.4.3.30.

    I attempted to install Kang TWRP and when I tried to boot into recovery, it just hung there at "booting recovery kernal image". So I tried many other versions of TWRP and all of the otherones sit at "booting recovery kernal image" for a few moments, but then restart again and boot into Android like normal.

    I've tried fastboot commands, I've tried terminal commands with dd. I've tried erasing recovery, writing to 0x0b05 and not, writing to staging. I've tried using Rashr and still nothing. The only time it even gives me a clue that it is trying to load recovery is when it hangs on the kang version. I noticed on their site it says "MUST BE ON A BOOTLOADER ENDING IN 27.1 or 27.5" so I am not really expecting it to work.

    Does anyone have any ideas. I'm pretty exhausted at this point.

    Will this work even though I can't boot into the stock recovery (or any recovery)?

  4. #4
    Developer & Repair Magician
    Supporting Member

    Member #
    68238
    Join Date
    Apr 2014
    Tablet
    TF300T
    Posts
    1,417
    Liked
    335 times
    You will have to extract the blob file from the stock firmware and fastboot flash it. This is somewhat risky because it involves flashing over the bootloader, but that is also true of an OTA update, and there are very few problems. As far as possible check all downloads for md5s, but IIRC Asus doesn't publish them, so download twice and check both files. Also make sure you get the firmware for the correct SKU (US, WW, whatever). I'm assuming you can get into the bootloader screen where it will tell you your SKU, if you can't boot into the bootloader with the 3 icons showing (or maybe 4 on your older version) then you can use the tablet for 3rd base. Here's some additional reading:
    My solution - Post #12
    Master Help Guide--guide to help from the masters:
    http://www.transformerforums.com/for...elp-guide.html

    T100 Master Help Guide:Caster's comprehensive guide to comprehending the T100
    http://www.transformerforums.com/for...elp-guide.html

    TF100 FAQ--Frequently Asked Questions about the TF100:
    http://www.transformerforums.com/for...s-guides-tips/

    What Got Me In to All This Trouble--Linux live CD with ADB & Fastboot:
    http://www.transformerforums.com/for...x-live-cd.html

  5. #5
    Chief Customizer & Super Moderator
    Supporting Member

    Member #
    47492
    Join Date
    Oct 2012
    Tablet
    TF700
    Posts
    2,724
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    711 times
    Quote Originally Posted by calador34 View Post
    Will this work even though I can't boot into the stock recovery (or any recovery)?
    Sorry, my last post was a total brain fart..... Naturally, if your recovery does not boot it cannot flash anything - doh.
    Kevin is right. The buster99 he linked to is the better and safer option in this situation.

  6. #6
    Developer & Repair Magician
    Supporting Member

    Member #
    68238
    Join Date
    Apr 2014
    Tablet
    TF300T
    Posts
    1,417
    Liked
    335 times
    That's what you get for trying to please all the people all the time!
    Master Help Guide--guide to help from the masters:
    http://www.transformerforums.com/for...elp-guide.html

    T100 Master Help Guide:Caster's comprehensive guide to comprehending the T100
    http://www.transformerforums.com/for...elp-guide.html

    TF100 FAQ--Frequently Asked Questions about the TF100:
    http://www.transformerforums.com/for...s-guides-tips/

    What Got Me In to All This Trouble--Linux live CD with ADB & Fastboot:
    http://www.transformerforums.com/for...x-live-cd.html

 

 

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