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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 U30GT2 Android 4.4.2 KitKat custom root firmware (2014/06/06)
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Jgarciaillanf1
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2014/07/12 - 01:24
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musico59 said
Thanks to speak about thé kasty kitkat ROM..... oma rom has his own topic ! 

 

It 's make everybody confused

The problem is that OMA haven't got his own thread... 

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cocofish
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2014/07/12 - 04:00
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Does OMA rom soluve the a/v async problem?

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sorrento01
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2014/07/12 - 10:45
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Thank you, your rom is very good.

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musico59
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2014/07/14 - 08:27
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sorrento01 said
Thank you, your rom is very good.
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Wich one ?

 

Oma rom has his own thread so please put here feedback about the Kasty rom from admin !


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rolandbouma
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2014/07/14 - 10:02
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Guys, i'm new here but following the upgrades of the cube u30gt2. The upgrates are great but one thing is still wondering me......why is the battery drain stil nor solved!!??

can one of you focus on that? My tablet has power for less than 24 hours without use and no heavy apps installed

 

admin said

Here is an Android 4.4.2 KitKat rooted firmware for the Cube U30GT2 tablet . This custom firmware is based on Chinese KitKat Funrom_Studio  2014/06/06. 
 
(Funrom_Studio-CUBE_U30GT2_4.4.2_V1_140606.img)
 
400xNxpipo_m9_pro_android442_kitkat_20131226_kitkat_b.png.pagespeed.ic.OX66oTHP96.jpg 
 

Build information:

Kernel: Linux version 3.0.36+ (tangy@tchipserver2) (gcc version 4.6.x-google 20120106 (prerelease) (GCC) ) #95 SMP PREEMPT Sun May 4 15:50:58 CST 2014

Android 4.4.2: CUBE/u30gt2/rk3188:4.4.2/KOT49H/eng.root.20140211.100632:eng/opinions-on-teclast-p90hdst-keys

ro.rksdk.version=RK31_ANDROID$(PLATFORM_VERSION)-SDK-v1.00.00

RK3188Loader(L)_V2.10.bin
 
As you can read, this firmware seems to be mostly a kernel update as the Android system is still one from February 2014.
 
Custom firmware features:
  • root with latest SuperSU version 1.99r3 (free version)
  • removed most Chinese and unnecessary applications
  • Google Play Store fixes so more application are visible/compatible
  • updated busybox v1.21.0.git (2012-11-29)
  • Unix like init.d boot scripts support, more details on init.d scripts here
  • changed permissions on external sdcard to allow write access
  • increased space for applications (/data partition) to 7 GB
  • disabled OTA updates (may cause problems, see Notes below)
  • added Google Experience Launcher (GEL) in addition to Cube's stock launcher
  • kernel modules (cifs, tun, lan, serial, xpad) compiled by Oma & Crew RKTablets, thank guys!

Notes: 

- any update received thru OTA may interfere with our custom firmware, we recommend to refuse any update pushed OTA. 

- current KitKat based firmwares should be considered as beta software

Download: kasty-cube_u30gt2-442-funromstudio_20140606-rooted7c_mu.zip

Flash with Rockchip Batch Tool version 1.7, use Restore button.

If you like our work, please support us to keep the site alive and contribute to our efforts.
 

 

Please report any problem with this firmware, I can't verify this custom firmware works as I don't have anymore a Cube U30GT2 tablet to test the custom firmware.

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// ]]>

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Wintermute
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2014/07/14 - 10:42
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rolandbouma said
Guys, i'm new here but following the upgrades of the cube u30gt2. The upgrates are great but one thing is still wondering me......why is the battery drain stil nor solved!!??

can one of you focus on that? My tablet has power for less than 24 hours without use and no heavy apps installed

It could've been worse and it has been worse. What we have now is somewhat tolerable overal I reckon.

With less than 24 hrs on standby though there is some problem with your unit. Even with my badly weared battery which can't provide more than 3 hrs under load anymore (since earlier 4.4.2 killed the battery) I can have several days on standby easily.

Some ideas:

1. Switch off WiFi for standby mode via advanced settings. By default it's on iirc. Poor decision imo.

2. Consider flashing overclocked kernel. It may sound silly but beyond overclocking it also allows underclocking which is helpful to save power, specifically in idle and standby situations.

3. Check your battery health / performance. How long time it takes to charge fully from zero and discharge in normal use?

4. There have been some initiatives to remove phone specific apps from tablet to save power.

5. To get applications running in background under control, search for Greenify on Google Play.

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eeprom
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2014/07/16 - 05:24
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any news from cube? nothing?

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aurel.14
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2014/07/19 - 09:52
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Hy,

 

i've try lot of rom since i've my tablet.

For me the best rom is "Oma_RK31_Kiano_Elegance_KK_4.4.2_v1.0_gen2 loader"

No need to be overcloked to be fluid ! CPU at 1,6 Ghz is enouth.

There'is only one pb with this rom : The rotation of the screen is decaled of 90°. I d'ont now if there is a solution to resolve this ?

I've a second pb but i don't think is because of the rom: my battery is bad, don't recharge. it's a new battery that i had changed it 2 month ago. I think is because i had used the overcloked kernel T15 befor ...

Sorry for my bad english.

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ntinos_tech
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2014/07/19 - 17:24
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Aurel.14 and all the others.....that have issues with battery like not charging...or batteries are exhausted ... or tablet shut down and then not power on unless power cable is on......I am 99% sure that our issues ARE related to Roms...... for me there are at least 3 possible explanations:

1. For sure there are sensors that provide feedback to the ROM about the charging and the discharging and the battery status in terms of remaining voltage etc. THESE sensors are not used or misused or just ignored from these ROMs. So, at the end the tablet stop the charge, the batteries are empty so the tablet shut down. So, no problem on the batteries

2. Another explanation may be, that due to the above...the batteries are exhausted physically so we have to replace them.

3. ROM change is coincidence..in relation with the BATTERY LIFE END! 

I got back from 4.4.2 to 4.2.x but the problem is still there! Many people reported same behavior after moving to 4.4.2....not this specific ROM but in general. At other forums, people is reporting that even with NEW battery installed they have the same issue..

Sorry guys but for me the root cause is the ROM since this is the main and the starting point for everybody facing the same battery issues....what we are all facing is NOT just low battery life..is a battery DEATH! Anyone that may help or advice is more than welcome!

Attention this message is NOT to say bad things for the people that are developing the ROMS and they are helping us.....is just to provide feedback to new people that want to try ROMs 4.4.2 on this stupid TABLET! Really NOTHING personal or bad for the developers PLEASE CONTINUE to support and HELP !!!! this piece of scrub(the tablet) is the issue at the end!

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shokk2
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2014/07/28 - 19:35
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Hello, Guys i have questions, where i can got overclocking 95 karniel ? if any can give me that.

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cio
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2014/08/01 - 10:49
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aurel.14 said
Hy,

 

i've try lot of rom since i've my tablet.

For me the best rom is "Oma_RK31_Kiano_Elegance_KK_4.4.2_v1.0_gen2 loader"

No need to be overcloked to be fluid ! CPU at 1,6 Ghz is enouth.

There'is only one pb with this rom : The rotation of the screen is decaled of 90°. I d'ont now if there is a solution to resolve this ?

I've a second pb but i don't think is because of the rom: my battery is bad, don't recharge. it's a new battery that i had changed it 2 month ago. I think is because i had used the overcloked kernel T15 befor ...

Sorry for my bad english.

The model fix also rotates 90º the screen

Model fix (install via CWM): http://crewrktablets.arctablet.com/?wpfb_dl=1823 

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

aurel.14
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ntinos_tech
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2014/08/08 - 10:59
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I have news....I removed the batteries....meaning disconnected...guess what...tablet has exactly the same attitude...97% charging was the status of the batteries while batteries where disconnected! after 30 minutes....the status was charged although the batteries were disconnected(on my hands)!Can anyone have any idea..what else to try now that the tablet is open.. techinically speaking "open".

Thank you in advanced!

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aurel.14
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2014/08/12 - 07:25
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cio said 

The model fix also rotates 90º the screen

Model fix (install via CWM): http://crewrktablets.arctablet.com/?wpfb_dl=1823 

Thx verry much it work fine :)

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aurel.14
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2014/08/12 - 07:39
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ntinos_tech said
I have news....I removed the batteries....meaning disconnected...guess what...tablet has exactly the same attitude...97% charging was the status of the batteries while batteries where disconnected! after 30 minutes....the status was charged although the batteries were disconnected(on my hands)!Can anyone have any idea..what else to try now that the tablet is open.. techinically speaking "open".

Thank you in advanced!

It's verry strange phenomen.

I'll try to do the same experiance to compare with my U30gt2.

I think the pb is with android 4.4 and the battery managment of the u30gt2. i change my battery and 1 month later she's no charge.

I the past i saw a solution to recalibrate the battery by remove it ... http://www.alliance-rom.com/wiki/battery-life/

It' could be interesting to test this solution but it's impossible to charge the u30gt2 without start it :( maybe in recovery mode ?

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Cuz
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2014/08/14 - 13:23
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aurel.14 said

ntinos_tech said 

It' could be interesting to test this solution but it's impossible to charge the u30gt2 without start it maybe in recovery mode ?

With this Rom my tablet would charge whilst turned off 

http://www.arctablet.com/blog/downloads/firmware/Cube/kasty-cube_u30gt2-422-206_20131029-rooted4.zip

When i plugged in the charger the tablet would start up as normal but i was able to then turn it off and it would carry on charging whilst turned off.

I'm now not able to do that on my current KitKat rom.

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