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Thread: [SOLVED] Bizarre situation - is this TF700T bricked for good??

  1. #1
    Soundwave
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    Unhappy [SOLVED] Bizarre situation - is this TF700T bricked for good??

    Please make a cup of your favourite beverage - this is a long story but I will try to keep it focussed. I have searched this and XDA forums till Im blue in the face - tried all solutions I could find with no luck. Been on this isuue about a week now - getting fed up!!

    Bought a TF700T from Ebay to replace a dead one. Tablet is installed on my boat and provides backup navigation - so wanted same to make replacement easier.

    Forgot to turn it off - battery went flat.

    After connecting to power - tried to turn it on - no go. Tablet shows ASUS opening screen, pauses about 30 seconds, then reboots. Looks like good old boot loop issue.

    Brought it home to reflash rom (currently running CROMi-X-ET_v3.0-RC2, the resurrected CROMI-X ROM on XDA)

    No go. TWRP (3.0.2-0) would not run. It showed opening screen, waited about 30 seconds, but then rebooted into ROM. Where it started boot loop again.

    Connected to PC (Windows 10), reflashed TWRP, TWRP now boots correctly. Tried to reflash ROM from TWRP. Everything appeared to go OK. Even got message saying installed correctly. But still no boot.

    On closer inspection the problem seems connected to the fact that TWRP indicate 0Mb internal memory. No CACHE, DATA, SYSTEM, BOOT or anything else. Still recognises Micro SD though (which is where I installed ROM from).

    Some interesting (!) details.

    TWRP does not "stick". I have to reflash everytime I reboot Tablet to get it to work.

    Tried repair file system - no go - cannot mount or unmount partitions.

    Both ADB and FASTBOOT connect OK, from this I conclude I have the right cable and drivers as well as an adequately charged battery (in fact TWRP indicates 100%).

    Tried doing a Buster99 - all worked fine, correct responses, except no change!

    I am thinking the memory is somehow fried, disconnected or just gone AWOL

    Time for a Samsung perhaps??? (God forbid!)

    Any suggestions (including give up!) are welcome.

    Thanks in advance.

    And....

    When in ADB SHELL the prompt is "~ # ?[6n" (where the ? is a square with a dot inside it). In addition backspace and delete do not work - keyboard driver issue??
    Last edited by droidbound; 09-04-2016 at 11:26 AM. Reason: Add picture

  2. #2
    Chief Customizer & Super Moderator
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    Interesting case! And baffling..
    If you say adb works fine, does it mean you get the serial# with adb devices?
    Run: "adb shell cat /proc/partitions" without the quotes and post the result.

    If that does not work you probably get nothing, but while still in the shell try
    ls -l /dev/block/mmc*
    ls -l /dev/block

    Very good work btw so far. That the buster99 did not work is disconcerting though....
    That TWRP does not stick is weird too. You ARE using 'fastboot flash recovery....' NOT 'fastboot boot recovery...' right?

  3. #3
    Soundwave
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    OK - Thanks for the lightning response.

    Yes - definitely using flash recovery - as per your instructions regarding flashing ROMs (my bible!) in Development. To avoid typing errors I usually cut and paste - thanks to Win10!

    I have ran the commands as requested.

    I have (or think I have!) attached a photo showing the result 2016-08-28 14.34.54.jpg

    I do not know what I'm looking at but the fact it reports some numbers seems promising??

    I regularly get error message regarding ADB failing to start. I have to reboot Tablet AND PC (!!) to make it go away.

    Think PC bit may be a red herring though.

    BTW - error message about ADB is "ADB server out of date - killing"

    Sometimes it then restarts ADB successfully - usually twice - then it fails.

    This happens even if it has just successfully restarted ADB.

    This is making my head hurt!!

    Fascinating though....

    Good job this is just a "toy" and not something important

    (o:
    Last edited by j.i.wilson; 08-28-2016 at 07:45 AM. Reason: Error message

  4. #4
    Soundwave
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    And this is a screen shot of what happens when I try to "Advanced Wipe" to reformat storage

    2016-08-28 14.47.08.jpg

  5. #5
    Soundwave
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    The plot thickens

    I noticed I miss typed your suggestions, so, tried again

    Results are in photo - note the results are in reverse order to your suggestion s- because I miss-typed them again!! Doh!!

    2016-08-28 15.04.46.jpg

  6. #6
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    Quote Originally Posted by j.i.wilson View Post

    I do not know what I'm looking at but the fact it reports some numbers seems promising??
    (o:
    Not really. This is what it is supposed to look like:
    C:\Program Files (x86)\Minimal ADB and Fastboot>adb shell cat /proc/partitions
    major minor #blocks name

    7 0 2111 loop0
    179 0 31039488 mmcblk0
    179 1 786432 mmcblk0p1
    179 2 438272 mmcblk0p2
    179 3 2048 mmcblk0p3
    179 4 835584 mmcblk0p4
    179 5 5120 mmcblk0p5
    179 6 512 mmcblk0p6
    179 7 5120 mmcblk0p7
    179 8 28924416 mmcblk0p8
    179 32 2048 mmcblk0boot1
    179 16 2048 mmcblk0boot0
    179 48 31166976 mmcblk1
    179 49 31165440 mmcblk1p1
    254 0 2110 dm-0



    C:\Program Files (x86)\Minimal ADB and Fastboot>adb shell ls -l /dev/block
    brw------- root root 254, 0 2016-08-28 05:19 dm-0
    brw------- root root 7, 0 2016-08-28 05:17 loop0
    brw------- root root 7, 1 2016-08-28 05:17 loop1
    brw------- root root 7, 2 2016-08-28 05:17 loop2
    brw------- root root 7, 3 2016-08-28 05:17 loop3
    brw------- root root 7, 4 2016-08-28 05:17 loop4
    brw------- root root 7, 5 2016-08-28 05:17 loop5
    brw------- root root 7, 6 2016-08-28 05:17 loop6
    brw------- root root 7, 7 2016-08-28 05:17 loop7
    brw------- root root 179, 0 2016-08-28 05:17 mmcblk0
    brw------- root root 179, 16 2016-08-28 05:17 mmcblk0boot0
    brw------- root root 179, 32 2016-08-28 05:17 mmcblk0boot1
    brw------- root root 179, 1 2016-08-28 05:17 mmcblk0p1
    brw------- root root 179, 2 2016-08-28 05:17 mmcblk0p2
    brw-rw---- root system 179, 3 2016-08-28 05:17 mmcblk0p3
    brw-rw---- root system 179, 4 2016-08-28 05:17 mmcblk0p4
    brw------- root root 179, 5 2016-08-28 05:17 mmcblk0p5
    brw------- drm drm 179, 6 2016-08-28 05:17 mmcblk0p6
    brw-rw---- root system 179, 7 2016-08-28 05:17 mmcblk0p7
    brw------- root root 179, 8 2016-08-28 05:17 mmcblk0p8
    brw------- root root 179, 48 2016-08-28 05:17 mmcblk1
    brw------- root root 179, 49 2016-08-28 05:17 mmcblk1p1
    drwxr-xr-x root root 2016-08-28 05:17 platform
    drwx------ root root 2016-08-28 05:18 vold

    C:\Program Files (x86)\Minimal ADB and Fastboot>
    I think you lost the partition table. Let me think about how to get it back....

    In the meantime, try the buster99 again. Just the part of flashing the firmware: fastboot flash system blob

  7. #7
    Chief Customizer & Super Moderator
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    As usual our hero _that comes to the rescue. Maybe....

    Cannot mount Data Partition with any recovery - Post #33

    Unzip the file, put the blob into your fastboot folder and flash it to staging, then force a reboot.
    Then boot into TWRP and see if you can mount partitions now.

    The question is if fastboot can see the staging partition.... Cross your fingers, knock on wood...

  8. #8
    Soundwave
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    I have repeated Buster99 and flashed "Hund_D_f2fs.blob" (I have previously selected f2fs format ROM)

    Tablet now reboots to ASUS screen and Windows can connect.

    However It doesn't get past ASUS screen to show CROMI-X boot logo. It aslo seems to be out of the boot loop

    I left it about 10 minutes

    Should I wait longer do you think?

    I am not sure if this is progress??

    Thanks for spending your Bank Holiday weekend helping me out...

    Ian

    HOLD ON - didnt see your post concerning _that

    Working on it - about to reboot..........
    Last edited by j.i.wilson; 08-28-2016 at 09:13 AM.

  9. #9
    Soundwave
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    Ok

    _that staging technique all done. All completed with sensible responses

    But

    Still no internal memory showing on Tablet hence no mounts possible

    One point - I note one of the responses is "Unable to open '' to wipe crypto key" - is this relevant to the situation??

  10. #10
    Soundwave
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    Idiot!! (me - not you!!)

    Miss-understood instructions

    Just about to stage flash PT.BLOB

    .....

 

 
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