[Q] How Root Toshiba Excite Pro AT10LE-A-108

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YuriRM

Senior Member
Dec 17, 2015
882
224
I have got a rooted Toshiba Excite Pro. But I have no idea where I find a custom room ( android 6, 7 or 8). Mayby somebody know where I'll looking for?
Congratulations! You are the first person to have achieved that goal. Tell us how to root the Toshiba Excite Pro, please!

The next step is to build a recovery file for Toshiba Excite Pro. Then it will be possible to start developing third-party ROMs.
 

Al'++

New member
Sep 27, 2017
1
1
Root Toshiba AT10LE-A-10D

Congratulations! You are the first person to have achieved that goal. Tell us how to root the Toshiba Excite Pro, please!

The next step is to build a recovery file for Toshiba Excite Pro. Then it will be possible to start developing third-party ROMs.

Hello,
I'm waiting for a solution for upgrading my Toshiba AT10LE-A-10D to Android 4.4 since a long time.
And so this post seems to bring a new peace of hope !
Thank you for the next answers and posts, I'm really excited and looking forward to the solution... !
 
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markop741

Member
Sep 25, 2017
9
8
Congratulations! You are the first person to have achieved that goal. Tell us how to root the Toshiba Excite Pro, please!

The next step is to build a recovery file for Toshiba Excite Pro. Then it will be possible to start developing third-party ROMs.

Until now, I do not believe in what I did.
First, I unlocked debugging on my tablet.
Then I downloaded to my laptop (also Toshiba product) I downloaded the usb drivers downloaded from Toshiba web page.
I connected the tablet to my laptop with a good USB cable.
I included doing root with Kingo ROOT and after reaching 60% failed.
I started doing root with iRoot and after reaching 80% failed.
I returned to Kingo Root and this time successful.

As I used to go back to factory settings on my tablet, it was enough to use Kingo ROOT to mount the root. I had to run Kingo ROOT two times because the first time I could not do root.
Now I have no problems and always Kingo is rooting my tablet.
 
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YuriRM

Senior Member
Dec 17, 2015
882
224
Until now, I do not believe in what I did.
First, I unlocked debugging on my tablet.
Then I downloaded to my laptop (also Toshiba product) I downloaded the usb drivers downloaded from Toshiba web page.
I connected the tablet to my laptop with a good USB cable.
I included doing root with Kingo ROOT and after reaching 60% failed.
I started doing root with iRoot and after reaching 80% failed.
I returned to Kingo Root and this time successful.

As I used to go back to factory settings on my tablet, it was enough to use Kingo ROOT to mount the root. I had to run Kingo ROOT two times because the first time I could not do root.
Now I have no problems and always Kingo is rooting my tablet.
Thank you very much! I know that KingoRoot is using now the DirtyCow exploit. It means that it can be rooted by other DirtyCow tools.

Dirty COW, an exploit in the Linux kernel, is now being abused on Android by ZNIU.
https://www.xda-developers.com/dirty-cow-exploit-linux-android-zniu/

You can remove KingoRoot and replace it with SuperSU. There are instructions for that at the XDA forum.

Replace KingoRoot with SuperSU manually without Terminal (2017)
https://xdaforums.com/android/software-hacking/replace-kingoroot-supersu-manually-t3573361

EDIT - However, some people had trouble when removing KingoRoot. It stopped working and they lost root access (have a look at the link provided above. Supersume seems to work. Read carefully the comments). Therefore, do not try to remove KingoRoot as yet. Let's plan ahead to do a full readback backup first and to build the recovery file for Toshiba Excite Pro.
I will have to search on this subject to find the right tools for the Nvidia Tegra 4 cpu.

Give us the full reference of your device, please!
Toshiba AT10LE-A-10D is @Al'++ device.
Toshiba AT10LE-A-108 springs to my mind.
Toshiba AT10LE-A-109 /32GB is mine.

Sent from my takee 1 using XDA Labs
 
Last edited:

markop741

Member
Sep 25, 2017
9
8
Thank you very much! I know that KingoRoot is using now the DirtyCow exploit. It means that it can be rooted by other DirtyCow tools.

Dirty COW, an exploit in the Linux kernel, is now being abused on Android by ZNIU.
https://www.xda-developers.com/dirty-cow-exploit-linux-android-zniu/

You can remove KingoRoot and replace it with SuperSU. There are instructions for that at the XDA forum.

Replace KingoRoot with SuperSU manually without Terminal (2017)
https://xdaforums.com/android/software-hacking/replace-kingoroot-supersu-manually-t3573361

EDIT - However, some people had trouble when removing KingoRoot. It stopped working and they lost root access (have a look at the link provided above. Supersume seems to work. Read carefully the comments). Therefore, do not try to remove KingoRoot as yet. Let's plan ahead to do a full readback backup first and to build the recovery file for Toshiba Excite Pro.
I will have to search on this subject to find the right tools for the Nvidia Tegra 4 cpu.

Give us the full reference of your device, please!
Toshiba AT10LE-A-10D is @Al'++ device.
Toshiba AT10LE-A-108 springs to my mind.
I will check mine later.

Sent from my takee 1 using XDA Labs

Thank you for it. I'll be waiting for.
My Toshiba AT10LE-A-108/16GB
Android 4.3
compilation number: JSS15Q. 001120220.05
kernel version:
3.4.57-gc710e6f
android-toshiba@tesibuild7
#SMP PREEMPT Mon Dec 2 17:16:19 IST 2013
If you need more information then write
 
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YuriRM

Senior Member
Dec 17, 2015
882
224
KingoRoot is using now the DirtyCow exploit. It means that it can be rooted by other DirtyCow tools.

Therefore, do not try to remove KingoRoot as yet. Let's plan ahead to do a full readback backup first and to build the recovery file for Toshiba Excite Pro.
I will have to search on this subject to find the right tools for the Nvidia Tegra 4 cpu.

We should ask the help of @Tomsgt. He is a developer for the Nvidia Tegra 4 Note 7. Tomsgt has developed the Super Tool 3.1

This script has 8 options
1. adb and fastboot driver install
2. unlock bootloader
3. Restore / unbrick device
4. Flash stock android recovery
5. install ClockWorkMod recovery Bat version
6. Install TeamWin / TWRP recovery
7. Root access in recovery with supersu

[Super Tool][Utility] Nvidia Tegra Note 7 Kitkat Unlock BL, Restore, Recovery, & Root by Tomsgt
https://xdaforums.com/showthread.php?t=2627654

Root JunkySDL - Tegra Note 7 firmware + Super Tool
http://rootjunkysdl.com/files/?dir=Tegra Note 7

Tegra 4 - Model number T114 devices
https://en.m.wikipedia.org/wiki/Tegra

EDIT - An invitation to Tomsgt has already been posted at the Super Tool forum, on 10th October 2017.
https://xdaforums.com/showthread.php?t=2583677&page=3

Sent from my takee 1 using XDA Labs
 
Last edited:

YuriRM

Senior Member
Dec 17, 2015
882
224
We should ask the help of @Tomsgt. He is a developer for the Nvidia Tegra 4 Note 7. Tomsgt has developed the Super Tool 3.1

This script has 8 options
1. adb and fastboot driver install
2. unlock bootloader
3. Restore / unbrick device
4. Flash stock android recovery
5. install ClockWorkMod recovery Bat version
6. Install TeamWin / TWRP recovery
7. Root access in recovery with supersu

[Super Tool][Utility] Nvidia Tegra Note 7 Kitkat Unlock BL, Restore, Recovery, & Root by Tomsgt
https://xdaforums.com/showthread.php?t=2627654

Root JunkySDL - Tegra Note 7 firmware + Super Tool
http://rootjunkysdl.com/files/?dir=Tegra Note 7

Tegra 4 - Model number T114 devices
https://en.m.wikipedia.org/wiki/Tegra

EDIT - An invitation to Tomsgt has already been posted at the Super Tool forum, on 10th October 2017.
https://xdaforums.com/showthread.php?t=2583677&page=3
Dear @Tomsgt , victory! The sealime protected Toshiba Excite Pro (Toshiba AT10LE-A-108) has been rooted by a DirtyCow enabled KingoRoot. It has long been a challenge but it was finally conquered!
Do you give us permission to fork and adapt your Super Tool 3.1? You are an expert on Nvidia Tegra 4 tablets. Can you help and lead us in this project, please?
KingoRoot is not desirable. Is it possible to use another DirtyCow tool in the Super Tool script? We would love to get Android 4.4 or 5.1 as well. Is it feasible? This tablet is still Android 4.3.
More details on @markop741's feat at
https://xdaforums.com/showthread.php?t=2583677&page=3
Regards

Sent from my takee 1 using XDA Labs
 
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Rafostar

Senior Member
Jun 27, 2014
66
27
Rooting with KingoRoot is successful, but su binary is lost after reboot. Can something be done about that?
Also /system is still read-only so root is pretty much useless for now. Is there any way to make it rw?
 
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YuriRM

Senior Member
Dec 17, 2015
882
224
The official LineageOS 13.0 for Nvidia Shield Portable (code name Roth) could be ported to Toshiba Excite Pro. It has the same processor Nvidia Tegra 4 (T114) and 2GB RAM.
https://wiki.lineageos.org/devices/roth

Rooting with KingoRoot is successful, but su binary is lost after reboot. Can something be done about that?
Also /system is still read-only so root is pretty much useless for now. Is there any way to make it rw?
Root Lost after rebooting using Kingo Android Root
https://www.kingoapp.com/troubleshoot/root-lost-after-rebooting-using-kingo-android-root.htm

Setting appropriate permissions on SU binary
https://android.stackexchange.com/questions/55714/setting-appropriate-permissions-on-su-binary

Does it help?
@Rafostar give us the full reference of your device. There are three variants of Toshiba Excite Pro. There are also 16GB and 32GB storage options.

Device Info HW by Andrey Efremov is a very good app for our project. Make use of it.

@markop741 do you have the same problem as Rafostar?

What does the Root Checker app find?
KingoRoot may enable a root in the Shell.

Sent from my takee 1 using XDA Labs
 
Last edited:

markop741

Member
Sep 25, 2017
9
8
The official LineageOS 13.0 for Nvidia Shield Portable (code name Roth) could be ported to Toshiba Excite Pro. It has the same processor Nvidia Tegra 4 (T114) and 2GB RAM.
https://wiki.lineageos.org/devices/roth


Root Lost after rebooting using Kingo Android Root
https://www.kingoapp.com/troubleshoot/root-lost-after-rebooting-using-kingo-android-root.htm

Setting appropriate permissions on SU binary
https://android.stackexchange.com/questions/55714/setting-appropriate-permissions-on-su-binary

Does it help?
@Rafostar give us the full reference of your device. There are three variants of Toshiba Excite Pro. There are also 16GB and 32GB storage options.

Device Info HW by Andrey Efremov is a very good app for our project. Make use of it.

@markop741 do you have the same problem as Rafostar?

What does the Root Checker app find?
KingoRoot may enable a root in the Shell.

Sent from my takee 1 using XDA Labs


Yes, i have the same problem. I do not have a permanent root, when I turn on the tablet I have to use the Kingo Root program to do root. Rebooting the tablet and I have to install again the root. I have no permanent root only time. It would be great if you could erase all the tablet software, including the boatloader, and upload the new OS without any add-ons.
 
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Rafostar

Senior Member
Jun 27, 2014
66
27
@YuriRM Thanks for reply.
My tablet model is AT10LE-A-108, board tostab12BA (16GB EU ver).
Root is working fine until reboot. I am aware the issue is locked bootloader, but I don't know how to unlock it.
/system partition is read-only even when accessing with root permissions (write protected NAND?)
 
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YuriRM

Senior Member
Dec 17, 2015
882
224
Yes, i have the same problem. I do not have a permanent root, when I turn on the tablet I have to use the Kingo Root program to do root. Rebooting the tablet and I have to install again the root. I have no permanent root only time. It would be great if you could erase all the tablet software, including the boatloader, and upload the new OS without any add-ons.


@YuriRM Thanks for reply.
My tablet model is AT10LE-A-108, board tostab12BA (16GB EU ver).
Root is working fine until reboot. I am aware the issue is locked bootloader, but I don't know how to unlock it.
/system partition is read-only even when accessing with root permissions (write protected NAND?)
I will ask for advice to @mrmazak on how to proceed from the temporary root on Toshiba Excite Pro achieved by a Dirty Cow enabled KingoRoot.
MrMazak is the co-developer of a successful method to root the BLU R1 smartphone using Dirty Cow.

BLU R1 v6.6 DirtyCowed F.U.
AMAZON ROOT and UNLOCK
https://xdaforums.com/r1-hd/how-to/blu-r1-hd-v6-6-dirtycowed-f-amazon-root-t3490882

EDIT- Are we able to build a recovery.img for Toshiba Excite Pro during the temporary root? It will be needed when the bootloader is unlocked.

EDIT- A screenshot of partitions with block numbers is needed too. The Factory Reset Protection must be found. Device Info HW by Andrey Efremov is the ideal app for that. Can you do it, please @Rafostar and @markop741 ?

Sent from my takee 1 using XDA Labs
 
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YuriRM

Senior Member
Dec 17, 2015
882
224
I installed Device Info but I have no idea where I find FRP. @YuriRM could me tell where I have to looking for?- SoC, system, memory, ect? I'll send You print screen
Go to Partitions and post here a full screenshot of it, please. FRP is there under another name. I cannot do it because the Toshiba tablet is at my parents.

We need to get a database for Toshiba Excite Pro because the components and drivers for the three variants and two storage options may differ. Under-the-hood disparities may affect the behavior of custom ROMs.

Therefore, I request that you select Upload device information at the Info Center option in order to feed the Device Info HW database by Andrey Efremov.

EDIT - I have just found that my Takee 1 smartphone is slightly different than another one at the Device Info HW database. Mine has a Flash from Samsung I2U00A and he has a Hynix HBG4e eMMC flash drive. The power management integrated circuit (PMIC) has an additional component too, a TPS6128x converter to operate in power-save mode.

http://www.deviceinfohw.ru/devices/...form0&brand=brand0&filter=takee&submit=Search

Sent from my takee 1 using XDA Labs
 
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Rafostar

Senior Member
Jun 27, 2014
66
27
So, here is partitions info of this tablet:
Part01.png

And their names:
Part02.png


According to Nexus 7 development thread, these are common names on Tegra tablets:

APP -> system
CAC -> cache
LNX -> boot
MDA -> encrypted userdata
MSC -> misc
PER -> per device calibration
SOS -> recovery
UDA -> userdata
USP -> bootloader

Dumping recovery (SOS partition) was successful. :D
I'm sending it in attached file.
 

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markop741

Member
Sep 25, 2017
9
8
Ok. @YuriRM. I sent the tablet specification to the Device Info HW database by Audrey Efremov.
@Rafostar how did you do it? Can you send me instructions on email? I'm not a programmer and when i enter the recovery mode (volume +, switch on) i do not know what to do next. Maybe I do not know what command to write then - doing wipa will not give me anything.
Regards
 
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