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ClockworkMod (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 !

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Reviving, unbricking a bricked cube
When you have flashed lollipop firmware on kitkat firmware
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Mark06

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Forum Posts: 222
Member Since:
2013/05/25
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Thanks Received: 41
1
2014/12/17 - 15:23
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When this has happened to you, you will have to open up the cube and make a shortcut between the 2 open connections on the left from the gnd/tx/rx solderconnections on the board. While having the usb cable connected to the pc push the power button untill it restarts and windows will find the drivers again. The rockchip batchtool will turn blue making it possible to restore a img again. You have to keep the shortcut shortcircuited while pushing the power button to make windows find the cube again. This way i have managed to get the cube running again after no connection to the pc at all.

The following users say thank you to Mark06 for this useful post:

maikal

Cube u30gt2 tab

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kar12
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Forum Posts: 16
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2013/05/03
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2
2015/02/10 - 17:55
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Dear Mark

Can you spot to us where exactly are the gnd/tx/rx solder connections .

I can not locate them.

Thanks in advance for your help.

Kar12

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Mark06

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2015/02/10 - 18:15
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where the cpu and gpu are located, so underneath the plastic.

Cube u30gt2 tab

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kar12
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2013/05/03
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4
2015/02/10 - 18:45
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Dear Mark

I found TWO open connection four solder connections  left of gnd/rx/tx.

I have to short circuit both of them or  not ???

But when the Rockchip Tool is blue I can not restore the image.

The tool must be green??

Is it correct???

Thanks


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Mark06

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Forum Posts: 222
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2013/05/25
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5
2015/02/10 - 18:56
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when rockbatchtool gives blue, you can flash any firmware you want. So both the 1st generation bootloader and the 2nd generation bootloader ones. Maybe you have to try it for a second time to make it work. Yes you have to shortcut the two open spaces next to the gnd/tx/rx while pushing the on button. Should work.

Cube u30gt2 tab

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maikal
Jacksonville, Florida

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2013/07/09
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6
2015/02/11 - 03:30
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Mark, in your first response you said rockchip tool, and your follow up you said rockbatch tool. I think kar12 may be confused as to which tool to use when doing this operation.

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kar12
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2015/02/11 - 23:38
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I tried to flash it with Rockchip Batch Tool 1.7 and I get after 3 sec Download IDB fail.

I am afraid for micron NAND Flash Memories that are damaged.

Any suggestions???

BR

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Mark06

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2015/02/13 - 20:53
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reset idb using androidtool, then flash img file using androidtool.

Cube u30gt2 tab

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kar12
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2013/05/03
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2015/02/16 - 20:12
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Dear MarKo6

Can you send me the link to download androidtool as there are many tools and can not decide what is correct.

BR

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Mark06

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2015/02/16 - 20:22
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the link for the android tool:

 

 

Rockchip android tool Download

Cube u30gt2 tab

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kar12
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2015/02/18 - 22:36
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I tried erasing the nand memory but still I get IDB failed

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Mark06

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2015/02/19 - 06:59
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are you using image option in android tool to flash the cube? The select option down in the screen?

Cube u30gt2 tab

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kar12
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2015/02/19 - 08:13
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Yes

I am using the image file in android tool.

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Mark06

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2013/05/25
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14
2015/02/19 - 09:02
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low level format, erase idb, or another firmware. the device can behave strange after a brick.

Cube u30gt2 tab

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