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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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[ ROM ] Cube U25GTC4 Android 4.4.2 KitKat custom root firmware (2014/04/15)
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Oma7144

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2014/04/20 - 14:25
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Gents,

This is a build for Chuwi V17HD which runs also on the Cube U25GTC4  ;-)

 

Oma KitKat build v3.2

Oma KitKat build v3.3   - change kernel weng #338 in folder rockdev/Images before flash

– stock 4.4.0 recovery, CWM 6.0.3.1 recovery
– system ext4
– selinux kernel weng #17, weng #554 [v3.3]
– internal storage 2,0 GB
– device spoofed as Nexus 7
– ethernet support
– init.d support
– gameloft compatible
– USB-Hub enabled
– gamepad compatible (PS2, XBox, …)
– kernel modules (cifs, tun, lan, serial, audio)
– latest hosts, su, su-binary, busybox
– Reboot Menue, sEFix, FX Sound
– Dateimanager HD (Root)
– Nova Launcher

 

hints:
– higher performance > disable all animation scales in developer options
– battery drain > set keep wi-fi on during sleep to never
– full access to the build > enable /system rw in File Manager HD
– don't show su notifications > disable in Superuser
– to prettify the build use Xposed Framework > Starter Pack
– to enable multi-user use the Xposed module Multi User

 

Flash instructions are included in the download pack.

- to start the tab into flash-modus boot the tab and press Switch in RKAndroidTool or hold Power and Reset until "Found …" is shown.

- use of CWM: wipe up/down to scroll – Power to execute – wipe right to go back

 

This is a gen2 loader firmware.
Be aware: it is your own risk!

– Oma -

V17HD_20c-1.pngImage Enlargerv3.2_03-2.pngImage Enlargerv3.2_04-2.pngImage Enlargerv3.2_05-2.pngImage Enlargerv3.2_01-2.pngImage Enlargerv3.2_02a-1.pngImage EnlargerV17HD_26.pngImage EnlargerV17HD_26a.pngImage Enlarger

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--Selv--
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2014/04/25 - 18:30
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Hi will this run on u30gt2

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Oma7144

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2014/04/25 - 19:08
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No. Complete other hardware.

- Oma -

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tommyx274
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2014/05/28 - 06:40
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Sorry for double of question from http://www.arctablet.com/blog/forum/crewrktablets-rk3188-entwicklung-customroms-development-croms/rom-chuwi-v17hd-android-4-4-2-kitkat-custom-root-firmware-20140402/ . I'm not sure where should it placed to. So placed to both themes about this firmware. Will try to delete one of them if it will be needed.

 

Hello, Oma

having cube u25gt-c4, as you wrote it is compatible with this tablet.

Flashed your 3.2 firmware. Now have one bad thing with tablet – if I press the button on it to switch off the screen then I cannot switch it on – only reset. If it starts to sleep on the timer – the same problem.

flashed kernel from 3.1 – button is ok, but 3 cm on the right side of touch is not working.

returned to kernel 3.2 – touch is ok, button isn't.

All worked well on the factory firmware. So hardware should be ok. But I don't have the original firmware now. On the cube site they dont have firmware for C4, only for other model U25GT.

Only thing I could do wrong – as I think. _Maybe_, I didn't untick loader, when flashed CWM, I'm not sure.

Have you any suggestions for me?


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Oma7144

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2014/05/28 - 20:38
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Cube seems not to be so lucky with the hardware. Build in post one is based on stock v1.03 and kernel weng #17. Meanwhile I see stock v1.08 with kernel weng #338.

Here are the kernel:

V17HD - hlq #396 - http://crewrktablets.arctablet.com/?wpfb_dl=1718

U25GTC4 weng #17 - http://crewrktablets.arctablet.com/?wpfb_dl=1771

U25GTC4 weng #338 - http://crewrktablets.arctablet.com/?wpfb_dl=1772

For me the hlq #396 works best. Check it out. You can flash the kernel separately, just tick parameter and kernel.

Anyway, here is the latest stock v1.08: http://www.51cube.com/ch/DownShow.asp?ID=243

- Oma -

The following users say thank you to Oma7144 for this useful post:

tommyx274
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tommyx274
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2014/05/28 - 23:38
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Big thanks, Oma.

What I have now.

396 - problem with right side of touch (3 cm of touch on the right side isn't working)

017 - problem with button (cannot switch on after swithing off)

338 - weird effect on the screen and doesn't boot (maybe some loader incompatibles?)

flashed all kernels on your 3.2 firmware with parameters from 3.2

Shall now try stock (great thanks for link - I'm not so common with chiniese sites ;). Will hope stock will be working at last on this tablet. I'm not very lucky with your firmware as I see. I'm only wanted clean firmware with root and CWM.

Chiniese server is _very_ slow, so shall write later what I will have with stock.

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tommyx274
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2014/06/02 - 19:48
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So, what I have at last.

Chinese stock 1.08 work ok.

But I checked your firmwares on Cube once more - all works as in my previous comment with the same bugs.

tried to apply your firmware with unchecking kernel - all works almost ok (touch ok, button ok), but orientation swapped - when needed vertical it switched into horisontal and contraverse.

So returned to stock. I've found root for it, got Oma's CWM for it, but didn't got _big_ system partition (still 512 Mb). Thats a pity. But it works now, so adventures are over maybe.

Oma, big thanks to you for help once more.

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Oma7144

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2014/06/07 - 16:38
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Update post #1 with build v3.3.

– bug fix touchscreen with kernel weng #338

Have fun ;-)

- Oma -

v3.3_02-1.pngImage Enlargerv3.3_01-1.pngImage Enlargerv3.3_04-1.pngImage Enlarger

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eva
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2014/10/17 - 21:36
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Hi

this rom works with tablet U25GT-T ?

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Oma7144

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eva
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2014/10/17 - 21:52
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Oma7144 said
U25GT2-T should be a RK3026 - http://www.arctablet.com/blog/forum/crewrktablets-rk3026-entwicklung-und-customroms-development-and-croms/rom-cube-u25gt2-t-android-4-4-2-kitkat-custom-root-firmware-20140406/

- Oma -

wow 1000 thanks Oma. :D :D

just one thing should i flash the 2 version or just most recent ?? 

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Oma7144

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2014/10/17 - 21:56
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Can you pls verify the CPU first? Post a screenshot: https://play.google.com/store/apps/details?id=com.arctablet.cpucheck

- Oma -

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eva
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2014/10/17 - 22:09
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Oma7144 said
Can you pls verify the CPU first? Post a screenshot: https://play.google.com/store/apps/details?id=com.arctablet.cpucheck

- Oma -

Screenshot_2014-10-17-23-00-31.pngImage Enlarger

 pls!!

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Oma7144

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2014/10/17 - 22:13
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Ok, RK3026. Just flash the latest build v1.1.

- Oma -

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eva
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2014/10/17 - 22:15
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Oma7144 said
Can you pls verify the CPU first? Post a screenshot: https://play.google.com/store/apps/details?id=com.arctablet.cpucheck

- Oma -

thanks a lot!! 

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