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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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Android L 5.0 - Can we port it?
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Mark06

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2014/12/09 - 07:39
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it takes about 7 minutes before you can logon to android. That's normal.

Cube u30gt2 tab

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XXX-Man
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2014/12/16 - 21:13
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Respected Oma7144, can u provide extended instruction how to flash Cube U30GT2? I really afraid to brick my device.

Tnx in advance.

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Mark06

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2014/12/17 - 10:13
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build runs on any JB kernel (do not use KK/seliunx kernel):

does this mean lollipop firmware can be overclocked using the android 4.2 overclock kernels?

Cube u30gt2 tab

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Oma7144

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2014/12/17 - 17:31
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Yes.

- Oma -


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Mark06

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2014/12/17 - 19:53
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Oma7144: i unbricked the tab. Now if i want to go to lollipop firmware, i have to use the switch command. But then i guess the tab bricks again. It's kinda difficult now to put the new lollipop firmware with overclocked kernel on the tab. I haven't got a clue what is going on inside the tab, do you have an idea?

Right now i'm running kitkat 4.4.2 chinese overclock version, which is working for me to get out of bricked mode. The pc sees the cube again. Isn't there a way to make an img file for lollipop version? So you can use rockchip batch tool for the firmware upgrade. It's more foolproof right?

Cube u30gt2 tab

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Oma7144

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2014/12/17 - 20:34
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KitKat builds introduces a gen2 loader which is not longer compatible with the gen1 loader. So, to switch between firmwares one need to change the loader first. There is a tool on the blog: http://crewrktablets.arctablet.com/?p=4316

- Oma -

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Mark06

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2014/12/17 - 22:01
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Mark06 said
Oma7144: i unbricked the tab. Now if i want to go to lollipop firmware, i have to use the switch command. But then i guess the tab bricks again. It's kinda difficult now to put the new lollipop firmware with overclocked kernel on the tab. I haven't got a clue what is going on inside the tab, do you have an idea?

Right now i'm running kitkat 4.4.2 chinese overclock version, which is working for me to get out of bricked mode. The pc sees the cube again. Isn't there a way to make an img file for lollipop version? So you can use rockchip batch tool for the firmware upgrade. It's more foolproof right?

On an xp machine it works all. No bricking whatsoever. Seems there was a driver incompatibility.

Cube u30gt2 tab

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Mark06

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2014/12/17 - 22:28
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I think it's a bit like this:

You need following downloads:

Kernel: http://crewrktablets.arctablet.com/?wpfb_dl=818

loader: http://crewrktablets.arctablet.com/?wpfb_dl=1631

lollipop v1.2: http://crewrktablets.arctablet.com/?wpfb_dl=2246

Unzip all files. Start up rkandroidtool and select the kernel and the loader you downloaded(see links above). The rest you can select from the lollipop file extracted. All except backup you have to select and add.

Run the proces. After done the tab should reboot into cwm menu. Then select reboot and press twice no. Then wait for about 7 minutes and the screen should show swipe menu.

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

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Cube u30gt2 tab

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XXX-Man
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2014/12/17 - 22:39
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Mark06 said
I think it's a bit like this:

Is this instruction matches with U30GT2? Can i use it?

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Mark06

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2014/12/17 - 22:57
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After the install, when the tab gets in to cwm menu you should make a factory reset. Then Reboot pressing no twice. I let you know if this has worked out.

edit: it works, the factory reset is nessecary after installing the new firmware. Then do not fix su as in the site from Oma.

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Cube u30gt2 tab

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Mark06

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2014/12/17 - 23:33
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have tested the overclocking of lollipop firmware and it works indeed. You can download and install through cwm(after installing lollipop) through this link http://www.arctablet.com/users/forum/DJ_OC_kernels_20140118.zip

Cube u30gt2 tab

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Mark06

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2014/12/18 - 08:49
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fstrim doesn't work on android lollipop.

Cube u30gt2 tab

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XXX-Man
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2014/12/19 - 13:24
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Yup, Android L succefully flashed on my U30GT2. Thanks a Lot.

But it works not very stable & my device see only 16 Gb ROM except 32 Gb. How could i fix it?

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Oma7144

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2014/12/19 - 14:22
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There is a parameter file for tabs with other NAND sizes then 16 GB on the blog: http://crewrktablets.arctablet.com/?wpfb_dl=2244

You need to replace it in folder /rockdev and flash again incl. eraseIDB.

- Oma -

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XXX-Man
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2014/12/20 - 14:10
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Oma7144 said
There is a parameter file for tabs with other NAND sizes then 16 GB on the blog: http://crewrktablets.arctablet.com/?wpfb_dl=2244

You need to replace it in folder /rockdev and flash again incl. eraseIDB.

- Oma -

I already realized it by myself. Tnx again.

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