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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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REQUEST: 4.4KK Rom for Cube U39GT / Iconbit Thor ZX
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vasil_d
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2014/06/19 - 08:47
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I did flash again.

I did read all the manuals and I know that the build should be rooted but SU app is saying "no root".

Right now I am going to flash the stock rom first, copy all needed files and flash your build again.

Also when rebooting after CrewRKTablets_KK_Iron_FormatNAND.zip I do not fix the CWM and ROOT like in the readme file.

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vasil_d
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2014/06/19 - 10:34
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Some development. What I did.

First of all THANK YOU for the build!

I did flash, tablet rebooted in CWM. Installed the CrewRKTablets_KK_Iron_FormatNAND.zip, then CrewRKTablets_KK_4.4.2_Iron_v1.2_model fix_AOC_Q70S15_2.zip.

After that i did install slightly modified by me CrewRKTablets_KK_4.4.2_Iron_v1.2_model fix_U39GT.zip

Reboot the CWM, not fixing recovery and not fixing root when prompted in CWM.

Now the touch is working and the tablet is working OK. Wifi is also working. Camera is not.

Next steps that I plan to work on are:

1. Changing the default layout to landscape not portrait position

2. Some build.prop changes

3. Modding/adding/removing some apps to you rom if you allow me to. After all you are the developer.

4. Working on the camera libs (not that I use the cameras overall)

5. Building a update.img for flashing true RKBatchTool.exe

May I ask what is ViPER FX for android used for?

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

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Oma7144

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2014/06/19 - 10:48
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Fine.

Let us first finish the model fix. What did you change? What is the rotation missmatch? 90 degree clock or counterclockwise?

Viper will give you the option "extra loud" ,-)

- Oma -

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vasil_d
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2014/06/19 - 11:03
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I did add to you archive in the /system/etc/init.d/80touch the following:

"insmod /system/lib/modules/gt911.ko"

Simple, stupid, but working solution.

The screen orientation using the sensor is correct. What I mean is when starting an app/luncher or other stuff the default to be landscape mod, not portrait portrait mod. The sensor is working correctly. The screen is rotating in the right position.

Also I think that i will be nice to set the BACK/HOME/TASK software buttons on the left side, because the tablet is 9" and it is not very comfortable to be on the center. If I am not mistaking I have to modify the frameres.apk right?


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Oma7144

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2014/06/19 - 11:29
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Ok, thanks. I forgot to modify the script. Here is the final model fix: http://crewrktablets.arctablet.com/?wpfb_dl=1826

I have just added this to the confirmation list: http://crewrktablets.arctablet.com/?p=2982

Anybody here with a Iconbit tab?

 

- Oma -

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vasil_d
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2014/06/19 - 11:45
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No doubt that it will work on Iconbit.

But I have the feeling that something is not completely working with the MALI400 MP.

Not that I have some force closes or something, just that it is slowly refreshing.

I did try some small add-ons/fixes in build.prop and now is little bit better, but...

Today I will have not more time for "fooling around" with the tablet, but when I make some progress I will report back.

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Oma7144

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2014/06/19 - 13:30
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To improve UI feeling:

- disable all animation scales in settings/developer options
- use Nova Launcher at set speed to faster than light in settings/look and feel
- use sEFix Entropy Fixer and set value to 256

- Oma -

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vasil_d
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2014/06/19 - 16:41
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Already done that.

The ""slow feel" is in Maxton Browser or Dolphin Browser (personally hate chrome ).

For such good specs (CPU/RAM/Display) this tablet is very slow.

I guess it is because of the NAND memory (it is HYNIX it should be not slow), but in reality is the combination of Wi/Fi/kernel drivers.

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primus
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2014/06/20 - 18:31
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Hi all, i made an overclocked kernel with this script/utility => http://www.freaktab.com/showthread.php?7150-rkpatchomatic-tool-overclock-vsync-fix-any-binary-rk3188-kernel! . It boot fine on 4.2.2 an this KitKat Port. I made it because i found this tab on KitKat less fluid than JellyBean.

He's got CPU 312-1800Mhz(original 312-1608Mhz), RAM 800Mhz (original 532Mhz) and GPU 133-798Mhz(Original 133-600Mhz). Beware => It run on my tab but i not garanted every RK3188 can handle it. And my tab can't handle highter (1920Mhz)

If you want to test it. Is in attachement. Flash it with RKDevelopTool with only Kernel ticked.

 

PS: I just comment the freq on script i don't use and add more freq for CPU and GPU for comsumption on IDLE

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vasil_d
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2014/06/20 - 21:17
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THANKS.

I will test the kernel later this week and report back.

Meanwhile I have edited the pramater file. I did set the users data (app storage for apps) to 2G because in my opinion 4G is too much. I also have set the correct nae for the tablet in the file. I prefer to have more space available for files.

The file is attached bellow. Note to users. Select this file when flashing the whole ROM whit RKtool.

 

P.S. (questions) to primus

So if I understand right, the stock freq. for the used ddr3 ram s 532 Mhz (1066)? You did set it to 800Mhz (1600) right?

Also pleas share what is your tablet model and make and wich freq of 1920Mhz is not capable to be handled?

Did you enable TRIM support in the kernel. it is a big boost in performance

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primus
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2014/06/20 - 21:35
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Thanks for your parameter :). For the kernel, i didn't compile it because i don't have the source. I just modding the frequency and voltage with the Python script i found on the freaktab forum (link provided earler). My tab don't boot with max setting CPU-1920/GPU-798/RAM-800

For the RAM frequency your right Original=> 532Mhz(2x266) and for OC you can choose 400 667 720 800(2x400) if i read corectly in the Python script, you can edit voltage too ;) for GPU, RAM & CPU. You can edit with notepad 2 or other. If you want i can provide my script with mods for adding more frequency steps (6 steps in my case between 312 and 1800). This script is created originaly for Android sticks with same SoC 3188 than our :).

 

PS: For the RAM speed, i need to investigate is the script is really changing the RAM speed because i found the frequency high.

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vasil_d
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2014/06/20 - 21:47
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Reporting back with primus kernel.

Unfortunately his kernel is not working with the CUBE U39 GT.

The tablet (my) does not boot at all with it.

I will read the links provided by him and make modified and overclocked CUBE stock 1.06 kernel.

Thanks for the effort and provided links. The m.... f... from CUBE does not take there users/support seriously

 

Did make several attempts to overclock/mod using the links provided by primus, but the tablet does not boot. At best the tablet boots, but no picture on the screen. I think that this method is lost cause.

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primus
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2014/06/20 - 22:14
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My tab is a Cube U39GT too ;). The base kernel i modified is the one provided by OMA. And i got 1800-800-798 by chance because not every RK3188s can handle this (like CPUs in overclocking).

For test (run fine on my tab), I provided in attachement 2 kernels with less agressive settings : one with CPU1704-RAM720-GPU798 and other with CPU1704-RAM720-GPU STOCK. Beware i just include 3 steps frequency 1200-1608-1704.

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vasil_d
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primus said
My tab is a Cube U39GT too ;). The base kernel i modified is the one provided by OMA. And i got 1800-800-798 by chance because not every RK3188s can handle this (like CPUs in overclocking).

For test (run fine on my tab), I provided in attachement 2 kernels with less agressive settings : one with CPU1704-RAM720-GPU798 and other with CPU1704-RAM720-GPU STOCK. Beware i just include 3 steps frequency 1200-1608-1704.

Reporting back.

I confirm that whit kernel_cpu1704h_gpu798h_ddr720 the tablet does boot.

I also think that such overclock of the CPU to 1.8Ghz is unneeded. RAM and GPU overclock is much desired.

Primus may I ask just for comparison what are the average speeds that you get when copying large files (lets say a movie file) over USB to your internal storage?

I do get sometimes 2-2.5 Mb/s and sometimes 6-7 Mb/s and I am starting to think that in my case one of the 2 HYNIX memory chips is not "alright"

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2014/06/21 - 09:47
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I just got a little boost on perf (20% in the best case) with my setting. In 3DMark for example i got 3550 stock and 4119 overclocked (1800-800-798) and env. 20000 in Antutu. For the flash, mine is slow as hell (like than other iFive X2 for example). With cache i got a good speed but when cache is empty is slow again (2-2.5Mb/s ex. for larges files). For the cache a mean SD read ahead cache. The flash is the slowest parts on these tablet with RK3188.

ManuPC for example, provide an overclocked kernel & ROM for iFive X2 @ CPU1700-RAM720-GPU798 for more compatibility.

For reactivity, you need a entropy fixer like "sEFix" include in OMA rom with value 256.

 

EDIT: i made littles tests. And RAM is really overclocked and had huge inpact on score => Antutu 20000@800 19888@720 18950@Stock   .3DMark => 4119@800 3908@720 & 3485@Stock. PS: At 800 is not totaly stable i got ramdom black screen of death this morning, but a 720 it seem stable. These tests are made on 4.2.2 with CPU1800&GPU798

 

OMA => Is Flash our tablet with bootloader Gen 2 aka 2.10 is useful for us with KitKat. I testing it for test iFive X2 ROM without modification (Don't work) and i revert back to Gen 1 (1.24) bootloader.

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