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HomeClockworkMod (CWM) Recovery easy install for RK3066 and RK3188 -- TWRP/CWM Flash-Tool and root for RK3288
 Please donate to support OMA and CrewRKTablets firmware work, thank you !
2015/09/29
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Hi all,
I received this promotion tablet and I found is not the old Rockchip RK3026 architecture but a newer RK3126 with nmc1000 wifi chip.
I tried the Root_Dump_Tool script from this forum section script to grant root access but it seems not to finalise rooting although it does not return any error.
"Superuser" and "Reboot Menue" appear to be installed but running SuperSU it ends reporting that no binary su file can be found.
su file is present in /system/xbin/ together with busybox.
I do not know much about Android systems so I wonder if somebody can help me with this issue.
With the same script I also dump the attached image. I hope it will be helpful somehow.
Thanks in advance and regards.
Roberto
 
Moderator
Firmware Guru
2012/10/06
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Ok, dump looks good.
Here is the kernel: http://crewrktablets.arctablet.com/?wpfb_dl=2695
Just change kernel, resource and uboot in folder rockdev/Image before flash.
- Oma -
The following users say thank you to Oma7144 for this useful post:
rlugli, Willy163Per aspera ad astra, we rock the Tablets !
If you like our firmwares, please consider making a donation to support our work.
Thank you!
2015/10/04
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Hello everyone
I also write for the same reason, in Italy we are all getting a new version of the tablet with the architecture rk3126 Android 4.4.4Â
my question is: what rom customized specification should be used?
Moderator
Firmware Guru
2012/10/06
Offline
See post #2.
- Oma -
Per aspera ad astra, we rock the Tablets !
If you like our firmwares, please consider making a donation to support our work.
Thank you!
2015/09/29
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Oma7144 said
Ok, dump looks good.Here is the kernel: http://crewrktablets.arctablet.com/?wpfb_dl=2695
Just change kernel, resource and uboot in folder rockdev/Image before flash.
- Oma -
Thanks a lot for replying.
Honestly I guess the original ROM is quite responsive and I just wanted to gain root control with that ROM in a similar way like your "Oma_RK3126_Root_and_Dump".
I have not understood why the "Oma_RK3126_Root_and_Dump" did not work so it would be nice to know what to do to root the device in a similar way...
Since my knoledge of Android world is still on the surface more than a simple root would be beyond my possibilities for the moment.
I will keep the possibility to replace the rom, exchanging uboot kernel and resorce files with the new ones, as a second step.
Thanks in advance.
2015/07/22
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Oma7144 said
Ok, dump looks good.Here is the kernel: http://crewrktablets.arctablet.com/?wpfb_dl=2695
Just change kernel, resource and uboot in folder rockdev/Image before flash.
- Oma -
Hi OMA.
Here's the DUMP of my ROM. I'm not sure the kernel you've uploaded is for #249 and it's good for me.
Thank you,
Willy.
2015/10/04
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hello OMA
first and foremost thank you for everything
as I found two ron customized, can you tell me which of these two should be used?
1)Oma_RK3126_Cube_U25GT-W4_KK_4.4.4_v1.0.7z
2)Stock ROM Nameless rk312x KK 4.4.4 Kernel #249.rar
2015/07/22
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epaminonda27 said
hello OMA
first and foremost thank you for everything
as I found two ron customized, can you tell me which of these two should be used?1)Oma_RK3126_Cube_U25GT-W4_KK_4.4.4_v1.0.7z
2)Stock ROM Nameless rk312x KK 4.4.4 Kernel #249.rar
Hi epaminonda27.
This one:
Stock ROM Nameless rk312x KK 4.4.4 Kernel #249.rar
is the dump that I've done on my tablet.
Stock ROM means stock ROM! 🙂
So this isn't customized but the original one.
Cheers,
Willy.
2015/09/29
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Willy163 said
Oma7144 said
Ok, dump looks good.Here is the kernel: http://crewrktablets.arctablet.com/?wpfb_dl=2695
Just change kernel, resource and uboot in folder rockdev/Image before flash.
- Oma -
Hi OMA.
Here's the DUMP of my ROM. I'm not sure the kernel you've uploaded is for #249 and it's good for me.
Thank you,
Willy.
An additional note...
The promotion tabless is a 800x480 and the ROM "OMA U25GT-W4KitKat Build V1.0" seems to contain TRWP recovery for different screen resolution.Regards.
Roberto
Moderator
Firmware Guru
2012/10/06
Offline
Ok, we do have 2 kernel now: #248 preempt 7 July 2015 and #249 preempt 10 July 2015. Pretty much the same, I guess.
You guys may start with this: http://www.arctablet.com/blog/forum/rk3126-entwicklung-und-customroms-development-and-croms/rk3126-rom-twrp-flash-root-custom-root-firmware-20150228/?lang=fr
- Oma -
Per aspera ad astra, we rock the Tablets !
If you like our firmwares, please consider making a donation to support our work.
Thank you!
2015/10/06
Offline
Hi guys, sorry for my bad english ! I'm an Italian user of this tablet. After 4 hours of use I messed with titanium backup and is now completely bricked. I can not update the firmware (the original or the release of OMA) because he says "Footer is wrong, signature verification failed". Various tools for upgrading from PC recognize my tablet as ADB device but when pressed any button (run, switches, lower format and clear) return the message "device type match failed, stop running." I tried various versions of drivers without result. I would try as the last thing to upgrade from PC with the appropriate tools, but are not able to create the .img file. Can anyone tell me anything about this or is able to create the stock rom or the edited by AOM file firmware.img? Thanks in advance for your reply!
2015/10/04
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negazione said
Hi guys, sorry for my bad english ! I'm an Italian user of this tablet. After 4 hours of use I messed with titanium backup and is now completely bricked. I can not update the firmware (the original or the release of OMA) because he says "Footer is wrong, signature verification failed". Various tools for upgrading from PC recognize my tablet as ADB device but when pressed any button (run, switches, lower format and clear) return the message "device type match failed, stop running." I tried various versions of drivers without result. I would try as the last thing to upgrade from PC with the appropriate tools, but are not able to create the .img file. Can anyone tell me anything about this or is able to create the stock rom or the edited by AOM file firmware.img? Thanks in advance for your reply!
willy did dump its original ROM
2015/10/06
Offline
epaminonda27 said
negazione said
Hi guys, sorry for my bad english ! I'm an Italian user of this tablet. After 4 hours of use I messed with titanium backup and is now completely bricked. I can not update the firmware (the original or the release of OMA) because he says "Footer is wrong, signature verification failed". Various tools for upgrading from PC recognize my tablet as ADB device but when pressed any button (run, switches, lower format and clear) return the message "device type match failed, stop running." I tried various versions of drivers without result. I would try as the last thing to upgrade from PC with the appropriate tools, but are not able to create the .img file. Can anyone tell me anything about this or is able to create the stock rom or the edited by AOM file firmware.img? Thanks in advance for your reply!willy did dump its original ROM
epaminonda27 said
negazione said
Hi guys, sorry for my bad english ! I'm an Italian user of this tablet. After 4 hours of use I messed with titanium backup and is now completely bricked. I can not update the firmware (the original or the release of OMA) because he says "Footer is wrong, signature verification failed". Various tools for upgrading from PC recognize my tablet as ADB device but when pressed any button (run, switches, lower format and clear) return the message "device type match failed, stop running." I tried various versions of drivers without result. I would try as the last thing to upgrade from PC with the appropriate tools, but are not able to create the .img file. Can anyone tell me anything about this or is able to create the stock rom or the edited by AOM file firmware.img? Thanks in advance for your reply!willy did dump its original ROM
Thanks, i've already read, but have not found the solution for my specific problem, because I need to dump willy format .img! I tried everything, I'm going crazy!
2015/09/29
Offline
Oma7144 said
Ok, we do have 2 kernel now: #248 preempt 7 July 2015 and #249 preempt 10 July 2015. Pretty much the same, I guess.You guys may start with this: http://www.arctablet.com/blog/forum/rk3126-entwicklung-und-customroms-development-and-croms/rk3126-rom-twrp-flash-root-custom-root-firmware-20150228/?lang=fr
- Oma -
I have followed instruction included in the tool but no way to get the message "Found One LOADER Device" as in the picture attached.
with both alternatives (by clicking on "switch" button or by resetting and then starting the recovery boot) I only get
"Found One ADB Device".
This message I get at the beginning and if I push "switch" button I ear the device disconnecting and nothing more.
If I try the alternative method as you suggested, after reset and switch-on + vol-up I ear the device disappearing and then appears again but always as ADB device, never as LOADER device.
My device is as from factory (no previous root or reflash). Do you have any suggestion?
Coud it be something related to the bootloader locked?
Thanks in advance and regards.
Â
Moderator
Firmware Guru
2012/10/06
Offline
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- Oma -
Per aspera ad astra, we rock the Tablets !
If you like our firmwares, please consider making a donation to support our work.
Thank you!
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