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1) Download adb files [ u20gt_adb.zip ] from below and
extract to an easy accessible location eg: c:\adb_files

2) Setting -> Developer options: enable "USB debugging"

3) Connect your tablet to your pc and point the install wizard to the
"usb_driver" folder ( c:\adb_files\usb_driver)

4) After the install Device manager should contain "Android Composite ADB Interface" under "Android Phone" class

5) create a ".android" folder in your home directory
Code:
mkdir %USERPROFILE%\.android
6) copy c:\adb_files\.android\adb_usb.ini to %USERPROFILE%\.android

7) open a command prompt an type:
Code:
cd c:\adb_files\apps<br />
adb kill-server<br />
adb devices
[-] Now if you see this you are done:
Code:
* daemon not running. starting it now on port 5037 *<br />
* daemon started successfully *<br />
List of devices attached<br />
XXXXXXXXXXXX        device
 

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@lupu

thank you
it worked perfect i was having trouble to get my cube use ADB i'm learning firmware modifications and i'm developing 2 customs roms and trying to get wifi working on it
and now maybe with adb will be por easy
 

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I have tried this over and over. I connect the U20GT to the PC (using XP) and it picks it up as U20GT then asks for drivers. I use the ones above and it installs as Android Phone, Android ADB Device and also shows up as a USB Composite Device under USB controllers.

But in a cmd window when I type ADB devices, the list of devices attached is empty.

USB debugging shows up on the Tablet.

What am I doing wrong?

I want to push superuser & SU over to the Tablet and then use the Google Play Store fix from the other post as my tablet has 1.30 installed.

Thanks in advance for any help.
 

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Ithink you can root it with super oneclick 2.3.3

Sent from my HTC VIVID using Tapatalk 2
 

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Discussion Starter · #5 ·
Did you follow steps 5) and 6) ?

adb will not recognize your device id without that file ( adb_usb.ini )
 

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Thanks darkrickpr and Lupu. You are both right.

I had done step 5 wrong (created folder but in wrong place) so that now works.

But I can confirm Superoneclick v2.3.3.0 ShortFuse Modded also works to root the U20GT
 

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How do I use the Superoneclick software to root my U20GT? (I have SDK Manager). When I try and run the Superoneclick software, I click on ROOT icon, and it says:
Killing ADB Server... KillServer 0.07s
Starting ADB Server... StartServer 4.36s *daemon not running. starting it now...
_________
then the program just freezes up, and does nothing else.
Any help??? Thanks!
 

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what version of superone click i use the 2.3.3 and work
 

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Discussion Starter · #10 ·
replicaman93 :

Make sure you have adb connected with your device and after that you can try to root your device
with superonclick or using this guide <here> (ug20gt is already rooted, it only needs some minor tweaks )
 

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Lupu:

You are correct. I didn't have the adb set up properly. I followed your instuctions via your link (guide) and then had no problems rooting the u20gt. Thank you!!!
 

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Hi all,

i'd try to use a custom U20GT firmware but i cannot be able to use the "Rockchip Batch Tool version 1.5".
If I try to turn off the tablet, when i plug the USB it reboot automatically!
How can i flash it? I've found onlu U30GT tutorial and they does not work with U20GT.

Thanks
 

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@Lupu,

Kindly can you upload the attached file on any share server. I can't download it from the forum server

thank you in advance for your help
 

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Hi,

I get "XXXXXXXXXX offline" when I launch "adb devices".

I tried plug-unplug, restart adb server, stop-start usb debugging, reboot device but still the same result.

Any other trick?

Thanks in advance.
 

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@lupu

I was looking for a way to use ADB to connect to my MK808B (RK3066) and finally it works with the key point: copy c:\adb_files\.android\adb_usb.ini to %USERPROFILE%\.android


Thanks a lot!!
 

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did you copy the adb_usb.ini to the c:/users/xxxxxx/.android/

the xxxxx exchange them for your windows 7 account name your logged too
 
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