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Old 07-06-2012, 11:24 AM   #1
jber
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[HELP] Unsuccessful debricking K4NT

hello guys...

can you help me somebody, please?

HISTORY :-)
- new Kindle K4NT
- with ugly sreensaver's pictures
- screensaver hack:
Quote:
mntroot -rw
cd /mnt/us
mkdir /mnt/us/screensaver
chmod 777 screensaver
mount /dev/mmcblk0p1 /mnt/base-mmc
mv /mnt/base-mmc/opt/amazon/screen_saver/600x800 /mnt/base-mmc/opt/amazon/screen_saver/600x800_
ln -sfn /mnt/us/screensaver /mnt/base-mmc/opt/amazon/screen_saver/600x800
exit
FINE...

later...
- firmware update 4.1.0 exist
- why not, update...
uups, error U006 !?

study this forum -> unbrick your kindle is solution...

1. download images from http://gitbrew.org/~dasmoover/kindle/k4/forensic/
2. download all necessary tools by "A small debricking guide for “noobs”"
http://www.mobileread.com/forums/sho...d.php?t=180789
3. start procedure - fastboot:
Quote:
Microsoft Windows XP [Verze 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
C:\>cd "Program Files"
C:\Program Files>cd rs
C:\Program Files\RS>cd KINDLE
C:\Program Files\RS\KINDLE>cd dev
C:\Program Files\RS\KINDLE\Dev>cd fastboot
C:\Program Files\RS\KINDLE\Dev\fastboot>fastboot flash diags mmcblk0p2.img
downloading 'diags'...
OKAY [ 3.719s]
writing 'diags'...
OKAY [ 8.609s]
finished. total time: 12.328s
C:\Program Files\RS\KINDLE\Dev\fastboot>fastboot flash kernel kernel-4.0.1.img
downloading 'kernel'...
OKAY [ 0.266s]
writing 'kernel'...
OKAY [ 1.813s]
finished. total time: 2.094s
C:\Program Files\RS\KINDLE\Dev\fastboot>fastboot setvar bootmode diags
setting 'bootmode' to 'diags'...
bootmode diags:
finished. total time: 0.000s
C:\Program Files\RS\KINDLE\Dev\fastboot>fastboot reboot
rebooting...
finished. total time: 0.000s


4. next step - putty:
Quote:
login as: root
root@192.168.15.244's password:
#################################################
# N O T I C E * N O T I C E * N O T I C E #
#################################################
Rootfs is mounted read-only. Invoke mntroot rw to
switch back to a writable rootfs.
#################################################
[root@[192_168_15_244] root]# dd if=/mnt/us/mmcblk0p1.img of=/dev/mmcblk0p1 bs=4
K
89600+0 records in
89600+0 records out
367001600 bytes (350.0MB) copied, 145.252770 seconds, 2.4MB/s
[root@[192_168_15_244] root]# dd if=/dev/zero of=/dev/mmcblk0p3 bs=4K count=1K
1024+0 records in
1024+0 records out
4194304 bytes (4.0MB) copied, 0.080124 seconds, 49.9MB/s
[root@[192_168_15_244] root]# rm /mnt/us/ENABLE_DIAGS
rm: can't remove '/mnt/us/ENABLE_DIAGS': No such file or directory
[root@[192_168_15_244] root]# idme -d --bootmode main
Devmode enabled
Reading vars from temp storage...
...None found, Copying vars from /proc
Setting bootmode to main
Writing new vars to temp area
You must reboot before new values will take effect
[root@[192_168_15_244] root]# reboot
now...
Kindle don't reboot, is frozen. Still diags screens and no reaction for keys...
Only possible works is press the combination of magic button and power button and start procedure again - with same result (5 times)

any suggestion for me?
I promise - no more hacks of my Kindle

Thanks for your help...

JB
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Old 07-06-2012, 05:46 PM   #2
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First: there is no need to flash diags with mmcblk0p2.img at K4NT, because SSH is already there.

Second: kernel version must be same as firmware version. Is your firmware version 4.0.1 ?

Third: you might to try before anything else set bootmode over SSH.
Connect to SSH and write following lines one by one.

idme -d --bootmode main
sync
reboot

Last edited by hostar; 07-06-2012 at 05:51 PM.
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Old 07-06-2012, 08:48 PM   #3
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Also, some people had trouble with the 4.0.1 images, try the 4.0.0 images from hostar. Links can be found in the pastebin mirror in the Simple debricking thread.
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Old 07-07-2012, 05:35 AM   #4
jber
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Biggest trouble now...

thanks for your response, but now my trouble is biggest

At this moment, I'm unable connect to my kindle! Combination of magic and power button don't work anymore....

I do nothing - means your advise. Mornning I connect to forum, read your posts and start trying connect to kindle - no success...


JB
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Old 07-07-2012, 05:38 AM   #5
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Connect your kindle to ac power and let it charge for a while, and try the debricking process again, that's what I had to do. I'm guessing you followed the guide posted in the simple debricking post by silver18?(or something like that, can't remember the name right now).
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Old 07-07-2012, 05:51 AM   #6
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Quote:
Originally Posted by Aleyst View Post
Connect your kindle to ac power and let it charge for a while, and try the debricking process again, that's what I had to do. I'm guessing you followed the guide posted in the simple debricking post by silver18?(or something like that, can't remember the name right now).
yes, I use post by silver18.

are you sure with charging? Kindle is on, orange led ligting (and frozen tequila - utilities screen is displayed)...
At this moment, I don't have ac charger - charging throw usb is ok?

JB
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Old 07-07-2012, 05:58 AM   #7
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Just out of curiosity if you have and devices which plug in a USB to a wall charger you can just swap that USB to device cord with your kindle cord and it would work.

Now when I couldn't get the mfgtool to register when I pressed magic key I just charged my kindle for a while and tried again and used the tool to reboot into diags using the tool and it worked. Once you get into diags you can then get into usbnet and get into ssh.

From there I used the guide and the 4.0.0 images and everything went great. You should be able to update to 4.1.0 after.
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Old 07-07-2012, 06:05 AM   #8
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Quote:
Originally Posted by Aleyst View Post
Just out of curiosity if you have and devices which plug in a USB to a wall charger you can just swap that USB to device cord with your kindle cord and it would work.

Now when I couldn't get the mfgtool to register when I pressed magic key I just charged my kindle for a while and tried again and used the tool to reboot into diags using the tool and it worked. Once you get into diags you can then get into usbnet and get into ssh.

From there I used the guide and the 4.0.0 images and everything went great. You should be able to update to 4.1.0 after.
OK, i'm trying find ac charger...

JB
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Old 07-07-2012, 09:08 AM   #9
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Charge with a wall charger for a few hours, then use MfgTool to get to fastboot mode and charge it on the PC for a few more hours. It seems that fastboot mode does much better charging.
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Old 07-07-2012, 12:10 PM   #10
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Done...(?)

so,

two hours charging with a wall charger and voila, access to kindle is back.


Thanks Aleyst.

to:hostar
no success with your commands...

Then I download firmware 4.0.0 and with fastboot
Quote:
C:\Program Files\RS\KINDLE\Dev\fastboot>fastboot flash kernel main_kernel.img
downloading 'kernel'...
OKAY [ 0.188s]
writing 'kernel'...
OKAY [ 0.922s]
finished. total time: 1.109s
C:\Program Files\RS\KINDLE\Dev\fastboot>fastboot setvar bootmode diags
setting 'bootmode' to 'diags'...
bootmode diags:
finished. total time: 0.016s
C:\Program Files\RS\KINDLE\Dev\fastboot>fastboot reboot
rebooting...
finished. total time: 0.000s
and the rest with putty.

After typing reboot from putty nothing happened - only putty was disconnected.
Different from previous state is - kindle is not frozen.
Disable diagnostic and reboot directly from kindle menu.

kindle boot to MAIN menu,yippee!!!

Now I have working kindle with firmware 4.0.0 and firmware update to version 4.1.0 is unfinished with error U006... Great
Before this story, I have firmware 4.0.1...

Somebody have stored update 4.0.1? No more available on amazon....
Or any suggestion about error U006?

Thanks again to all for your help.

JB

Last edited by jber; 07-07-2012 at 12:13 PM.
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Old 07-07-2012, 12:50 PM   #11
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Now is done.

Update to 4.1.0 is DONE.

this post helps me
http://www.mobileread.com/forums/sho...1&postcount=46

Thread is CLOSED

Only one information from this thread is usefull for others - wall charger is very usefull!

JB
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Old 07-08-2012, 03:38 AM   #12
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Awesome well done.
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Old 07-08-2012, 07:35 AM   #13
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Quote:
Originally Posted by jber View Post
... two hours charging with a wall charger and voila, access to kindle is back.
Contratulations on your successful learning experience! Your success report has been added to "the list". Hopefully, "next time" will be easier for you.

Remember, the main reason for debricking failures is (almost always) skipping a step in the simple debricking procedure, whether that means not charging the battery enough, or not flashing a matching kernel, or whatever other step was skipped.

Last edited by geekmaster; 07-08-2012 at 07:39 AM.
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