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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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Cube U30GT2 Android 4.4.2 KitKat new rom???
I found a ROM from 14.10.2014
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Mark06

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2015/03/21 - 06:06
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cxdani said
I flashed this rom on my cube.
It came up in chinese, and somehow I managed to change the language.

I just rooted the tablet.

There is an application, an icon with an R on a green background. Does anyone knows what is that. It looks that is doing something with permissions. And itself has all permissions. I will try to freeze it with TitaniumBackup.

The apps partition is only 2G, compared to 7G that I had before.

Let's hope that the handy guys will take this rom and will change it a little bit.

Thanks

You should try a different parameter file maybe. The map is loaded with them.

Cube u30gt2 tab

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Mark06

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2015/03/21 - 08:05
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nelySLB said

edgertop said
Link for the development rom has been removed you need to click on the release version link on the message below

Release version

Hi i havê installed this but mi tablet stays on u30gt2 boot logo 

If you select al the items in android tool, so incl bootloader, you should be able to get the cube booted.

Cube u30gt2 tab

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Mark06

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2015/03/21 - 08:06
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Mark06 said

cxdani said
I flashed this rom on my cube.
It came up in chinese, and somehow I managed to change the language.

I just rooted the tablet.

There is an application, an icon with an R on a green background. Does anyone knows what is that. It looks that is doing something with permissions. And itself has all permissions. I will try to freeze it with TitaniumBackup.

The apps partition is only 2G, compared to 7G that I had before.

Let's hope that the handy guys will take this rom and will change it a little bit.

Thanks

You should try a different parameter file maybe. The map is loaded with them.

ps another parameter file, like that from the lollipop firmware doesnt work, checked it.

Have installed the rom. It's overclocked (overclock kernel) to 1.7 ghz. The cast screen option is back. Booting is very rapid. Overall performance is very good. It's rooted too.

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

lardd

Cube u30gt2 tab

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Mark06

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2015/03/21 - 10:35
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Mark06 said

cxdani said
I flashed this rom on my cube.
It came up in chinese, and somehow I managed to change the language.

I just rooted the tablet.

There is an application, an icon with an R on a green background. Does anyone knows what is that. It looks that is doing something with permissions. And itself has all permissions. I will try to freeze it with TitaniumBackup.

The apps partition is only 2G, compared to 7G that I had before.

Let's hope that the handy guys will take this rom and will change it a little bit.

Thanks

You should try a different parameter file maybe. The map is loaded with them.

the parameter file is like:

parameter4 is 4G
parameter6 is 6G
parameter8 is 8G

Cube u30gt2 tab


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Mark06

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2015/03/21 - 12:34
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Ok, the rom from december 2014 is stable. Used the overclock kernel. There also is a cwm/twrp see here: http://www.freaktab.com/showthread.php?11324-TWRP-2-7-0-0-For-Rockchip-s.

Used "system app safe remover", which puts the root apps/system apps in a recycle bin so you can restore later. Apps i removed:

-bubbles
 -calculator
 -calendar
 -calendar storage
 -com.android.smspush
 -dialer
 -email
 -exchange services
 -explorer
 -gallery
 -google calendar sync
 -google contacts sync
 -google one time init
 -live wallpaper picker
 -music
 -musicfx
 -one time init
 -pico tts
 -proxyhandler
 -sim toolkit
 -stresstest for 4.4
 -video
 -vpndialogs

 

However "cell standy" is still active, don't know how to put that one off.

 

I don't know why, but when the cube goes into sleepmode, it doesn't get out of it. Maybe it's a bug, can someone look after it?

Cube u30gt2 tab

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Mark06

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2015/03/22 - 08:39
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Do yoy guys also have problems with getting out of sleepmode with the new firmware? I always have to reboot when the cube is idle for like 10 minutes. Guess the kernel of the freaktab rom is undervolted too much. Tried some overclocked kernels, the cube just freezes. It's a good rom as long as you set going to sleep to never.

Cube u30gt2 tab

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Mark06

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2015/03/26 - 09:26
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Mark06 said
Ok, the rom from december 2014 is stable. Used the overclock kernel. There also is a cwm/twrp see here: http://www.freaktab.com/showthread.php?11324-TWRP-2-7-0-0-For-Rockchip-s.

Used "system app safe remover", which puts the root apps/system apps in a recycle bin so you can restore later. Apps i removed:

-bubbles
 -calculator
 -calendar
 -calendar storage
 -com.android.smspush
 -dialer
 -email
 -exchange services
 -explorer
 -gallery
 -google calendar sync
 -google contacts sync
 -google one time init
 -live wallpaper picker
 -music
 -musicfx
 -one time init
 -pico tts
 -proxyhandler
 -sim toolkit
 -stresstest for 4.4
 -video
 -vpndialogs

 

However "cell standy" is still active, don't know how to put that one off.

 

I don't know why, but when the cube goes into sleepmode, it doesn't get out of it. Maybe it's a bug, can someone look after it?

You have to not delete phonesky and prebuildgmscore, they are for the google market. Boottime 39 seconds.

Cube u30gt2 tab

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lardd
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2015/04/11 - 22:27
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After using the ROM of the first post for about a month, I think it is the best ROM for our Cube. Very fast, same battery life with official 2.06, no lag. Only drawback: Shenzen weather in the lock screen. I can live with it!

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cubelibre
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2015/05/17 - 01:38
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Another KK rom found https://yadi.sk/d/FabJIxm-exNEE

Archive name U30GT2_140307.rar

China app , no root , kernel #21 .

Good luck 🙂

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Mark06

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2015/05/17 - 09:58
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cubelibre said
Another KK rom found https://yadi.sk/d/FabJIxm-exNEE

Archive name U30GT2_140307.rar

China app , no root , kernel #21 .

Good luck 🙂

no good, had a spontanious reboot all ready after bout 5 minutes. If i were you i'd go for the chinese overclocked rom from 30102014. It's smooth and fast.

Cube u30gt2 tab

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Mark06

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2015/05/17 - 20:39
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could someone edit the chinese firmware from 30102014 and remove phone, change build prop to 0/360degrees, make it rooted, then make an image from it which we can flash through windows? Might be the ultimate rom for the cube.

Cube u30gt2 tab

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Mark06

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2015/06/18 - 13:25
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The chinese overclocked rom from 30102014 been using it. Now you can't use the phone remove zip cwm file, it will cause the tab to make a boot loop. You have to remove the phone apps by hand with es file explorer in root mode. Further been installing the powersaving apps from the topic "battery saving options" and another overclocked kernel(standard will cause antutu to reboot in combination with the powersaving apps). Antutu score about 26.000 and real long battery load. It is a lot of work, but might be worth it, since it's an older tablet for these days.

Cube u30gt2 tab

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Pandor
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2015/06/29 - 02:51
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Here's the 4.4.2 29.10.2014 rom (non overclocked) rom modded by me.

  • rooted with latest SuperSU
  • latest busybox
  • increased space for applications (/data partition) to 7 GB
  • replaced stock Asian keyboard with Hacker's Keyboard application

Welcome to suggestions. Might mod the overclocked version too, but i'm very satisfied with the regular version.
Fast, stable, and no video tearing... can finally watch plex and netflix without tearing, skipping, ghosting...

http://www.solidfiles.com/d/23e357a41e/

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brew2u
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2015/07/17 - 17:26
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Burnt my Cube U30GT2 using Kasty Rom, (that 7GB partition one.)  Antutu was 22,000+  ok for a while.

Not overclocked, playing the Coin Party game for 45 min then I noticed the game went nuts, auto-dropping coins.

The plastic under tablet was VERY wrinkled. Shut it off, but never to come on again. 🙁

Opened 'er up and put volt meter on batteries: 8.5 Volts, OK.

Tried to reflash with Rockchip tool, connected OK, file img OK, test passed, hung up with 1 block flashing yellow.

Tried shorting the GND and RX pads to "unbrick" ... no luck.
Was using this rom and really enjoying it since March 2015, but FUBAR now.

BEWARE of overheating your tablet.  I was using it inside my house at 77 degrees, but failed to notice the heat.
The wrinkled plastic was under the cpu backside, not the battery side.
Whaaa

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brew2u
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2015/07/17 - 23:14
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U30GT2update.

My newbie question is:  Is my tablet ready for the round file ?

I ran the Rockchip Tool 1.7 with a new USB cable (not the white factory cable).

Screenshot should show flashing/whatever got all the way to the IDB before failing.

Will try to learn what an IDB failure during flashing really means.

Anyone know if THAT can be fixed ?

w/o a tab, I am toast and un-interestedFLASH-FAIL-@-IDB.jpgImage Enlarger...

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