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ClockworkMod (CWM) Recovery easy install for RK3066 and RK3188 -- TWRP/CWM Flash-Tool and root for RK3288

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Cannot flash Cube U30GT2 using RKBatchTool - Please help!
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zoom389
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2014/01/31 - 18:57
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Hello, I'm a new member. I have recently bought a Cube U30GT2 with Android 4.2.2 V2.03 20130606 pre-installed and I would like to upgrade it to V2.06 ROM from this website using RKBatchTool.exe V1.7.

Initially, I had problems in installing the USB driver for my laptop which uses Windows 7 because it didn't recognise the Cube when I held down Vol+ and power buttons together when the USB cable connected between the Cube and the laptop. The "Found New Hardware Wizard" didn't pop up.

Having read some threads here, I then installed Moborobo which installed the USB driver which recognised the Cube. Next, I opened RKBatchTool and selected the V2.06 update.img file which detected the Cube and the number '1' icon in RKBatchTool turned pink. However, when I clicked on 'Restore' button (3rd button) in RKBatchTool, an error message "This operation didn't do, because of no device!" popped up. Please see screenshot below.

As the Moborobo USB driver was installed, I didn't press down any buttons on the Cube.

I have enabled Settings - "USB Debugging" in the Cube.

Using RKBatchTool, does the Cube need to be ON or OFF?

The number '1' icon in RKBatchTool turned pink. What does that mean? I know it needs to be green before I can flash it.

Can someone explain to me what I have done wrong? Frown Thanks.

 

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zoom389
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2014/02/01 - 21:13
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[SOLVED] I have solved the problem and thought it would be nice to give my solution here in case people have this problem in the future. The hardest parts were to get my laptop to recognise the cube and install the Rockchip USB driver.

Equipment list

Cube U30GT2

Download and install RKBatchTool.exe V1.6

Download preferred ROM file (.img)

My laptop with Windows 7 home premium, 64-bit system

Quality and reliable USB cable from my Sony camera

Instructions

1. Connect one end of USB cable to Cube only.

2. With the Cube OFF, press and hold Vol+ and power buttons together then connect the other end of the USB cable to a USB port of laptop, Windows should then pop up a message "Windows installing software driver".You can now release your fingers from the Cube. After about 15s, if Windows cannot find the driver, it will display a message "Device driver was not successfully installed".

3. Goto Control Panel - System - Device Manager and look for "Unknown Device" with a yellow exclamation mark next to it.

4. Right click on it and choose "Update driver software".

5. Choose "Browse my computer for driver software" and then select the driver from the following folder on the laptop:

RKBatchTool v1.6 - Rockusb_v3.0 - Rockusb - x64 - win7 - rockusb.inf

Note: x64 means 64-bit system, x86 means 32-bit system.

- Wait for Windows to install the driver.

- If successful, you can then use RKBatchTool to flash the ROM file into the Cube by following the instructions from the link below which is relatively easy to perform:

http://liliputing.com/2013/03/cube-u30gt2-quad-core-tablet-gets-firmware-update-custom-rom-treatment.html

I was able to flash the ROM file into the Cube with no problems.

Important Notes

- I had a lot of problems in steps 2 to 4 above and spent about 1.5 days of trying. Sometimes, I couldn't get "Unknown Device" in Control Panel. I had to connect to 3 different USB ports on my laptop in order to trigger "Unknown Device" in Control Panel. Therefore, you have to be methodical and patient. You may need to repeat the above steps many times to get it to work. You may need to reboot your computer after a failure.

- When I got to step 5 once, it wouldn't accept the same driver within RKBatchTool.exe V1.7 folder so I chose RKBatchTool.exe V1.6 which worked for me. It could be me!

- In step 2, I NEVER got "Found New Hardware Wizard" when I plugged the USB cable into the laptop.

- Before I got the above to work, I tried downloading Moborobo to use its driver to communicate between the Cube and laptop which the laptop was able to access the folders of the Cube. However, when I tried to use RKBatchTool V1.7 to access the Cube, it failed to recognise the Cube meaning flashmode couldn't be entered. Therefore, you may not need Moborobo.

- Ensure that you read the above notes and other threads carefully before flashing the Cube.

The following users say thank you to zoom389 for this useful post:

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kellbain
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2014/02/04 - 02:24
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If you had press the "switch" button on the loader page #1 would most likely of gone from pink to green.

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shadyabs
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2014/02/04 - 19:00
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Hello there ,

 

I had this problem !! and i have solved it ! (It's an issue with the drivers).

 

have this link :http://www.arctablet.com/blog/forum/cube-u30gt2/100-working-cube-u30gt2-driver-install/

 

It will help you out ! have fun !Laugh


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zoom389
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2014/02/04 - 19:36
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Thanks to Kellbain for your comments. I don't think that would change from pink to green before the Rockwell USB driver was installed. However, after the driver is installed and if you click on the switch button, it would most likely change from pink to green.

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shadyabs
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2014/02/04 - 19:44
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Hi there, 

 

I just told you... You have to install drivers for Cube u30gt2.

 

Just follow the steps above. 

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