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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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Cube U30GT doesn't start, disassambling to unbrick the tablet
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venz0ja
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16
2012/11/20 - 17:20
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when you press switsh   pink indicator >change color to > green indicator (green color firmware mode)

no imediately.)

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Apas
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17
2012/11/20 - 18:10
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When I pressed SWITCH, the pink icon turned to grey and the screen on the Cube turned dark. Tried to UPGRADE but shows failed??

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venz0ja
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2012/11/20 - 19:33
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need chek 

driver?

link  (join)random usb   sound un windows connect new device

ok?

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unreal
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19
2012/11/20 - 22:25
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Hey guys, I am in the same boat as Apas.

I posted this in another thread (http://www.arctablet.com/blog/forum/cube-u30gt/cube-u30gt-h-firmware-update-1-07-2012-09-25-just-released/page-11/#p14900), but I copy here too,

since u are just talking about the same thing.

 

Unfortunately here is my current status on firmware update:

 

1. Did the upgrade from SD card, seemed to work fine, but after the reboot the dead android came up…

2. Now if I turn on (with or W/o pressing ol+ at the same time) the device starts to boot, I see the new green logo

3. After the logo the dead android comes

4. If I pluc it to my PC (64 bit W7) (or to my notebook which is 32 bit Win7) using presumably good cables (one samsung qualified data cable or another Foxconn quality cable) Windows detects the hardware

5. I installed the driver manually ("have disk", chosing RK30 device) it installs the driver, but says "Error: the device cannot be started")

6. None of the tools (RKAndroidTool, RKBatchTool_1.5) I found does anything since they dont detect the device.

 

pls advise what do do from this point…

(other than look for "another" good qualified cable which I am doing)


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Apas
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2012/11/20 - 22:36
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Venz0ja was a great help and managed to get my cube up and running again but I let him take control of my pc via the net and he brought it back to life!
The screen brightness is still very low even when brightness settings on full??
Going to have another look tomorrow.
Good luck to all in the same boat ;-/

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unreal
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2012/11/20 - 22:49
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Apas said
Venz0ja was a great help and managed to get my cube up and running again but I let him take control of my pc via the net and he brought it back to life!
The screen brightness is still very low even when brightness settings on full??
Going to have another look tomorrow.
Good luck to all in the same boat ;-/

what did he do?

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Apas
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2012/11/20 - 22:57
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He spent over an hour getting the pc to recognise my cube and installed the original firmware then the updated one onto my cube. Can't realy say much more as I was too busy plugging and unplugging along with restarts etc. Give him a nudge tomorrow and he may help

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

unreal
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unreal
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2012/11/20 - 23:03
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was your driver working fine before he started to work on your pc?

I mean did the driver install properly (see my description of my status)

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Apas
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2012/11/20 - 23:14
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My cube was not responding and all I had was a white screen and a pink icon on the loader
,

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unreal
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2012/11/20 - 23:23
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well, it's more than I have...

the driver does not start, so the connection between the cube and the pc is limited to the hardware detection

although before this faulty attempt from the SD card the icon was pink on my RK tool, so

I could not flash from there, this is why I chose SD card

what cable do u use which worked?

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venz0ja
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26
2012/11/21 - 13:28
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please not use cable from cube box) more percent damage cable

 

use all other good brand microUSB device 

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unreal
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2012/11/21 - 14:25
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yes I got this issue with the cable, as I described I use two quality cables but it does not work either

I haven't even tried the original cable

can you help me to make the driver work?

(I've sent a PM to you)

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Apas
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2012/11/21 - 15:41
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I've sent mine back to my supplier. They can relace, repair or refund but its up to them. I'm not paying £150+ for a cube that only lasts a week !!

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unreal
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2012/11/21 - 19:19
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@apas:

so your problems did not com from an unsuccessful upgrade or rooting ?

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unreal
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2012/11/23 - 01:14
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finally with the help of venz0ja i could make it work

thanks to this guy who spent 2 hours of his spare time trying to help me

Here it is, how we succeeded:

 

What we tried and did not work:

changing cables, usb ports, drivers, even computers, etc.

the driver simply did not start on the pc (gave: error 10) so no RK Batch tool or other software from the PC side could help

the reason: the tablet did not go into firmware dowload mode (or whatever it is called) by pressing volume up + power on buttons for several seconds (and giving a black screen) instead of this it always booted and failed to boot so the dead android came up

could not fix this not even with the endless efforts :) of venz0ja

BUT finally he found a hint how to get into the tablet's menu

so what worked is:

seeing the dead android and pressing shortly volume up + power on buttons at this stage (everybody was talking about pressing them for long) took me into the the tablet's internal menu and I could overwrite the firmware from an sd card, after which the driver started to work, and RK Batch Tool helped me to upgrade the firmware to the custom one released under topic http://www.arctablet.com/blog/forum/cube-u30gt/cube-u30gt-h-firmware-update-1-07-2012-09-25-just-released/

 

so finally it worked, except for one thing (the main issue I started this whole week's nightmare) the tablet is not rooted :)

(root checker say no, and I don't see the ad hoc wifi networks ) although with the above firmware it should be

 

thanks again for the great help for venz0ja and everyone who gave advices

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

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