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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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new 4.4.2 firmware
It's a russian firmware
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Mark06

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2015/04/19 - 09:57
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first, download this "FirmWare_UpGrade_U30GT-2_RAT2.1_SYS950DATA4096LDR210CWM6031_220114.rar" form this site: https://yadi.sk/d/VTIdv9QaDqFZP/ImaSoft/FirmWare, extract it and flash it to the cube.

Then download this rom, the one most below: https://yadi.sk/d/VTIdv9QaDqFZP/ImaSoft/%D0%9F%D1%80%D0%BE%D1%88%D0%B8%D0%B2%D0%BA%D0%B8

copy the zip file to external sd card.

Now you can enter cwm mode and install the zip file. After installing it you must make a factory reset, otherways it won't work. Then reboot selecting yes to recovery disable. Wait bout 80 seconds and voila you're in android menu.

Cube u30gt2 tab

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Mark06

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2015/04/19 - 11:04
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merde, the tab is in bootloop with the new rom when i reboot through the rebootapp. Possible this is because of the 2nd gen loader installed for the 1st gen firmware. So the second lowest firmware is a 2nd gen firmware, try installing that one with the manualdescription above.

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Mark06

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2015/04/19 - 14:06
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jellybean loader is a version 1 loader right?

*edit: if using a gen 1 loader, the installation goes very slow( latest jellybean ami firmware). Now trying the 207 loader. Not working either. Can't get that latest firmware based on jellybean to work.

 

the one that is working, antutu benchmark score as usual.

Cube u30gt2 tab

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Mark06

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2015/04/19 - 19:28
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first, download this bootfirmware extract it and flash it to the cube.

first install this firmware (zip file in cwm).. Then boot it, then upgrade the firmware to the latest one, this one(zip file in cwm).

 

The latest firmware, antutu causes a hard reboot.

Cube u30gt2 tab


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maikal
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2015/04/20 - 02:26
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That's pretty confusing Mark. Start from the top and break it down for us again.

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Mark06

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2015/04/20 - 08:39
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maikal said
That's pretty confusing Mark. Start from the top and break it down for us again.

It is a special flash 'image' that prepares the cube for installation of the actual firmware. Actually it takes care of installing the right cwm recovery for the newer firmwares. Then if you like to install the latest firmware, you have to install it as an upgrade of a previous firmware. That said, my former post has the right downloads for installing the latest firmware. It's all bout overclocked firmwares. The preparation file, is extractable and contains androidtool, which for flashing the preparation files to the cube. The other two files are zip files installable through the (with androidtool) installed cwm. The first is an update, the second an upgrade.

 

Grtz mark

 

Edit; the latest firmware is overclocked and either gets to hot or to little voltage for the cpu, reboots in antutu. Lowering the freq from 1800 to 1608 is a remedy. No lag in the image like the secondlast firmware though.

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Mark06

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2015/04/20 - 16:29
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You can change the kernel, with the files in this file:FLASHER_v2.23_ADB_FOR_U30GT2. If you like to use a patched(overclocked) version, you have to install the normal version (also in the datamap) first. Those are all old jellybean 4.2.2 kernels from back 2013. Seems jelly bean(jb) rom 4.4.2 isn't quite well for overclocking. Antutu benchmark will give a hard reboot. Maybe kitkat(kk) rom is better for overclocking.

 

PreInstallation of firmware, also know as installationfiles for adapted CWM:this file   ------>androidtool zip file,install from pc

Then the firmware android 4.4.2 based on kitkat kernel:this file            ---->CWM zip file, install from tab holding vol + and power

Then you can upgrade the kitkat kernel based 4.4.2 firmware:this file    ---->CWM zip file, install from tab holding vol + and power

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2015/04/22 - 17:26
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if you like to have the phone removed from scratch, you can open the zip file of the firmware and remove next apk's:

-\system\app\

   telephonyprovider.apk
   stk.apk
   picotts.apk

-\system\priv-app\

   mms.apk
   teleservice.apk
  

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Mark06

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2015/04/23 - 10:43
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am using a t13 kernel. Now 93 % battery and 17.14hrs runtime, leaving the tab in standby for one night. There is also t8, t10, t13 overclocked, see here. Just extract and flash the kernel.img with androidtool.

 

All the neede files, like described in this topic, here. The firmwares are without phone stuff and sleek.

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Mark06

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2015/06/19 - 10:04
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Those are all overclocked firmwares.

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Cube u30gt2 tab

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