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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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Help flash tablet with Rk3126 chip
Can´t flash bootloader
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Fabyo
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2015/10/14 - 19:15
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 Hi all

I´m new here, and i need some help please.

I´ve flash some wrong firmware in my tablet and now it´s bricked.

It´s recognized in windows rockchip batch with blue, green square whatever, but when i go to flash

it gives "download boot fail". I´ve tried also with rk android tool

but no luck either. I think the system.img, recovery.img. , kernel.img , e.. flash good, but i have no luck with

bootloader. I dont know why? It´s original bootloader and firmware.

The tablet is from Deco, Ocu consumidores but the new one quadcore, not the dual-core rk3066.

I think there´s a rom also from Oma, to the dual core tablet. This one is quadcore, new ones.

Can someone help please?

Thanks.

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Oma7144

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2015/10/14 - 19:28
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Do you have the stock firmware?

- Oma -

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Fabyo
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2015/10/14 - 19:44
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Hi

Yes i have the stock firmware, my friend made a dump.

He has the same tablet. Can you compile a update.img file? I don´t have Linux.

Thanks

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Oma7144

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2015/10/14 - 19:57
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Working with RKBatchTool is not a good idea. I guess the dump does not contain the loader and a parameter file?

- Oma -


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Fabyo
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2015/10/14 - 20:03
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Hi

Yes the dumps has every files.

parameter, loader, every images, recover script, update script, e...

Can i send you the files for you take a look please?

Thanks

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Oma7144

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2015/10/14 - 20:19
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Sure. Upload them somewhere and post a link here.

- Oma -

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Fabyo
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2015/10/15 - 00:29
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Hi

Here it is the upload of ROM files.

https://mega.nz/#!x4B0RaSS!PrQ5M91dQqvQGhisJlsCdkZbRsY7kRD6qHxtsyWr_sc

 

Is for Quadcore right?

 

The specs of Tablet are:

Quadcore Rockchip Rk3126

512mb ram

2gb Memory - 1gb of system, 1gb user apps

0.3mp front camera only

[​IMG]Image Enlarger

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Fabyo
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2015/10/15 - 00:30
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I´m sorry the image is in Portuguese i hope you understand.

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Fabyo
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2015/10/15 - 18:45
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Is that the right files?

Thanks

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Oma7144

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2015/10/15 - 19:17
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Here is a flash pack for testing: http://crewrktablets.arctablet.com/?wpfb_dl=2709

The dumped files are ok. They are for the hardware revision with ESP8089 wifi.

Included kernel are:

- kernel #24 preempt 3 July 2015

- kernel #61 preempt 17 July 2015

You should find the running kernel in settings/About the tab.

- Oma -

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Fabyo
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2015/10/15 - 19:23
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Hi

Should i flash in maskrom mode or loader?

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Oma7144

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2015/10/15 - 19:30
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Install the right USB driver first (see instructions.txt). When the tab comes up in Loader modus then use it.

If the tab doesn't come up in Loader modus you need to open it to short NAND pin 7/8 to start the Mask-Rom modus.

- Oma -

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Fabyo
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2015/10/16 - 15:55
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Hi

I got no luck with that flash pack. I don´t know what´s wrong or

is the miniloader version or something with the firmware. This firmware version is

4.4.2 or 4.4.4? In the parameter file says 4.4.2, but the Tablet came with 4.4.4 original.

In the dump files it has the 2.19 miniloader version, but i can only flash the 2.25 version,

the other version says download boot failed.. I don´t understand..????

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Oma7144

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2015/10/16 - 19:09
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Did you exectue LowerFormat?

- Oma -

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Fabyo
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2015/10/16 - 21:21
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Hi

Yes i did the lowerformat.

This is what i´ve done:

Put in loader device

lowerformat twice - i saw until 100%

flash miniloader, parameter, boot, kernel, uboot, ect... until flash ok.

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