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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 !
admin
2010/09/11
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Rooted firmware for the DENVER TAC-7018, special request by b.breum
Here is the rooted firmware file: DEM752HCF_20120427_V1.0.10_6.28_rooted.zip
It's untested as I don't have this tablet to try the firmware on.
The following users say thank you to admin for this useful post:
b.breum If you like our web site, applications and firmwares, feel free to support our site. Donations are used to pay the bills for our server hosting costs, development tools and purchase new tablets to support.
Contributor
2012/07/28
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I have a question about the rockchip flash tool.
in the pdf file with the "org" firmware the numbers in the green field in left part of screen is different than the numbers in mine.
ie in the pdf it says 5-1
mine is green and says 1-1-1
should it matter?
edit: Org firmware on tablet is now 4.0.3
your topic says 4.0.4
is the new firmware from google docs 4.0.4?
admin
2010/09/11
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I don't think so, all you need is the green square.
If you like our web site, applications and firmwares, feel free to support our site. Donations are used to pay the bills for our server hosting costs, development tools and purchase new tablets to support.
Contributor
2012/07/28
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lol i cant even manage to edit my post before you have answered it 
Good job 
admin
2010/09/11
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Hmmm my mistake, firmware is ICS 4.0.3:
System build info: Android/DEM752HCF/DEM752HCF:4.0.3/IML74K/eng.root.20120621.222615:eng/opinions-on-teclast-p90hdst-keys
If you like our web site, applications and firmwares, feel free to support our site. Donations are used to pay the bills for our server hosting costs, development tools and purchase new tablets to support.
Contributor
2012/07/28
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Hi
had time to check and rockchip batch tool says
get flash info start - success
prepare idb start - success
download idb - start- success
reset device - start - success
wait for loader start - Fail.
Contributor
2012/07/28
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after more testing with different usb cables i am now the proud owner of a tablet that cant boot 
In rkbatch tool it goes to a blue square and not a green one after the first attemt, and no further attemt with the original firmware on any computer in any usb port with any cable have succeded.... hmm...
Contributor
2012/07/28
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I should still follow the same upgrade procedure with your img. as i should with denvers org firmware right?
So use rkbatch tool and select image and then press upgrade?
Its cause im going to hopefully exchange this model today so i'll try and upgrade their own firmware first and then try with yours..
But just wanted to make sure that yours follow the same procedure
admin
2010/09/11
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The firmware flashing procedure is the same for all Rockchip RK29xx / RK30xx based tablets with Rockchip Batch tool, you should make sure that you are using Restore rather than Upgrade button when flashing.
I carefully prepared the custom firmware I published here, but it could be I missed something when building the firmware. You can always flash back the stock firmware to restore your tablet.
If you like our web site, applications and firmwares, feel free to support our site. Donations are used to pay the bills for our server hosting costs, development tools and purchase new tablets to support.
Contributor
2012/07/28
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I have no doubt that you carefully prepared this special just for me!! And its gratefully appreciated if in fact it works Nah its appreciated no matter what.
Hmmm you are saying restore rather than upgrade.
On the official denver how to I am told to use the Upgrade button....
On the first model (traded back to store so now im on model nr. 2 )
so on the first model i used the upgrade button... could that be the cause of the malfunctioning tablet?
admin
2010/09/11
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It could be. Restore is similar to Upgrade button as it sends the update.img firmware to the tablet, but it also erase part of the flash memory, so it's better in the sense it does a flash on a "cleaner" system. I don't see any risks of using Restore vs Upgrade.
Cheers.
The following users say thank you to admin for this useful post:
b.breum If you like our web site, applications and firmwares, feel free to support our site. Donations are used to pay the bills for our server hosting costs, development tools and purchase new tablets to support.
Contributor
2012/07/28
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I will try to flash it via the restore button this evening
since the wireless seems to turn on and off. So its not working as it should either way
Just had a thought that i remember something about putting the image file on SD card renaming it to update.img.
Would that be an idea or bad idea instead? Just thought that then the usb cable could be taken out of the equation
admin
2010/09/11
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Copying the update.img to internal storage or sdcard does the job with manufacturer's updates, but it doesn't work well (or at all) on a custom firmware. This is caused by the partitionning of the different images (system, data, kernel...) which is different between stock and custom firmwares.
The following users say thank you to admin for this useful post:
b.breum If you like our web site, applications and firmwares, feel free to support our site. Donations are used to pay the bills for our server hosting costs, development tools and purchase new tablets to support.
Contributor
2012/07/28
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understood and thank you for the explenation.
I'll try the restore button tonight at some point when they are asleep
Post to let you know what happens
Contributor
2012/07/28
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Hi sorry for the no reply
but sick kids and then I dont mess with their tablet.
However i did talk to denver about the not being able to upgrade and they released a newer firmware version
https://docs.google.com/open?id=0Byi_uA2h5KkBWE9kUDJ5dS1PTFE
from here
http://www.denver-electronics.com/denver-tac-7018-firmware-upgrade/
would you mind taking a look at superusing that one instead since thats the one he says i should flash.
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