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original firmware in rockdev contains:
Do not understand how can it help another PC. if the one on which I did the firmware update after I put Oma, does not want to communicate with the tablet. conclusion is that the problem is the name and demands tablet PC and communicate appropriate driver waiting. I think that solution should come from the patch or update directly from the tablet. see that the structure is similar between the original and Oma. and I see the recovery menu appears tablet, update, etc.. But who is with them lamaureste me and how can I use the original
The drivers that are for the flashing mode are generally applicable to all the rockchip tablets.
It does not matter the name of the tablet, the rockchip driver will be the same.
There is no other type of driver available for the flashing mode then the ones already made public on all the website.
Also, the flashing mode drivers are distributed by the manufacturer, we can not provide something that we don`t have.
Also read the first link, there multiple solutions available.
The reason for using another PC is, that sometimes an old RK2918 driver or a wrong one could cause that the system does not recognize the tablet anymore.
softpedia.com http://download.clockworkmod.com/opinions-on-teclast-p90hdst/UniversalAdbDriverSetup6.msi and found the driver on the Microsoft site. The problem is that Windows recognizes these drivers tablet but not rkandroidtool.exe. in the link I see no useful information. wedaltools would be something but I did not get to use. http://forum.xda-developers.com/showpost.php?p=30842147&postcount=4
Now I understand the problem.
The universal adb drivers are not compatible with rkandroidtool, they are only for using the adb, not for flashing.
You could give this adb drivers a try, wusel had tried to get a merged driver base in this post, sorry it is in german.
But I don't know if it really works. If it does not work, you have to delete the old adb drivers and install the right flash drivers from rkandroidtool, or use another PC.
I think you don't understand what I wrote above.. If you ever installed any adb drivers, then you are not able to install the correct flash drivers anymore. The adb drivers prevent windows to install other drivers for the tablet.
You have to remove all parts of the adb driver, including all driver files in windows directory and cleaning the registry, to be able to install the flash drivers again.
adb = android debug bridge, this drivers are for debugging purpose, not for flashing thru rkandroidtool.
If you are not able to get rid of these completely wrong drivers, you have to use a clean PC to install the correct drivers and flash the tablet.
One more idea... connect the tablet in flash mode. Then open device manager and make a right click on other divices smartpad810c. Click Deinstall, if it ask to completely deinstall, click yes.
Then unplugg the USB cabel from pc.
Hold menu+power, at this point make a reset of the tablet and insert usb cable in a different usb port of the pc. If it does not show the install driver dialog, make a reset again, but always hold menu+power all the time.
if the driver install dialog comes up, point to USB Driver\x86\xp\.
Perhaps this works.
if they update without eraseIDB is ok?
I'm thinking no eraseIDB update then do update again. I understand it is a firmware bug Oma. Now try to translate into Romanian http://www.flashmyandroid.com/forum/showthread.php?2789-ROM-OMA-JB-v1-2-2-for-U9GT2-JellyBean see what it says there.
theoretically and practically, if I do eraseIDB, done correctly update?
The EraseIDB is needed. It is a lowlevel format of the flash of the tablet.
If you don't make this, it could happen that the rom will not work correct.
Please also tick the loader in rkandroidtool.
The message "eraseidb failed" is normally caused if you are not administrator.
try to use another usb cable, and use the usb ports from the back of the pc unit.
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