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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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V17HD with RK3128
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spNk
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2015/03/30 - 19:11
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Hi,

i just received the chuwi tablet and i tried to use the ART runtime instead of Dalvik, now the tablet won't boot at all. Just shows the boot logo and repeats the animation. I tried to flash different firmware, but i only get errors (Error: test device failed), EraseIDB also gives an error. I'm also unable to find it using adb.exe, it shows an empty list.

The drivers i was able to find also don't match the hardware id, but i modified them.

The hardware ID is USB\VID_2207&PID_310C&REV_0100, the only ones available in the drivers are USB\VID_2207&PID_310A&REV_0100 and USB\VID_2207&PID_310B&REV_010

Is it also normal that when i press "switch" the screen just stays black?

Thanks in advance, you are my only hope.

 

Edit: the serial number is Q8G1150100215

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spNk
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2015/04/02 - 22:55
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Ok solved using adb..

My version has an RK3128 in it btw, so more HW versions on the market..

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Notna
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2015/04/15 - 21:28
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hey everyone,

 

I received my Chewi V17Hd today from eud.dx.com. It seems to be the first gen one with HDMI port. Details from the back are:

 

Model: CW0858

V17HD Q8G1150100075

8GB model

 

Now, when it arrived today the stickers were all intact and the box seems fine. I open it up and turn it on (stickers on the screen were intact as well) and the tablet gave me a low charge warning. Per normal; I put in the charger cable into my Anker USB 40W hub (2.0A a port) and left it there for a few hours, only to find it had shut itself off. After rebooting the device, the charge was only at 1 % and staying there. Even the battery stats gave 0 information om what it was doing nor that it was charging. Te tablet recgonizes it is 'charging' (i.e you get the message when you unplug it and it dissappears when you plug it in + you see the charge log in the drawer) but that is it. Also when I turn off the unit I get to see the battery charging logo but it still does not actually charge.

I made a DOA ticket with DX and I am awaiting their response but in an effort to see what is what, I dove into the settings of the tablet and found something odd; this thread is for version 4.4.2, but my tablet claims to be on 4.4.4. Full specs:

https://www.dropbox.com/s/sxan5fn8ud6ydp6/2015-04-15%2020.24.07.jpg?dl=0

Android version 4.4.4

Kernel: 3.10.0, root@xingyu-desktop #531

Build Number: CW-V17HD-20150121

Is this an already rooter device with a custom ROM or do I simply have a new batch with a new firmware on it? Again; the stickers on the box were all intact so that seems impossible unless it was a refurb and put into a new box (I did not see any user wear nor tear on the unit itself). I searched for the above build and found one reference on a obscure Russian site which had exactly the same issue with charging and was on this build as well. I could endeavour a reflash in hopes it will resolve the issue, but I found the unit is not stable enough in stayin on to even try that...

Am I simply unlucky and should I await a new one from DX or is there something else going on? I fear DX might see the above as well if they want it returned and blame me for a failed flash. Any help is appreciated

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kamko99
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2015/04/24 - 23:51
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Hi,please help

I returned corrected tablet and is now in it

Android version 4.4.4-before repair 4.4.2

Kernel: 3.10.0, root@xingyu-desktop #531

Build Number: CW-V17HD-20150121

Q8G1150100813  with HDMI

Can not get into recovery mode,I tried x times press power and reset-more or less and nothing.always just turn android

Flashing when I press the switch tablet no found.Drivers instal ok.Write msc dont ...
Sorry for my english.

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Boxster78
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2015/05/07 - 13:23
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Hi all,

I have Chuwi V17HD with HDMI port. Details from the back are:

V17HD Q8G1140700121

8GB model

I do not know which software to use, pls help.

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aksion
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2015/05/14 - 20:53
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Oma7144 said
The tabs with the 3.10.0 kernel are the next generation V17HD. It is RK3126.

Pls do not use the stuff from this thread!

- Oma 

Hi,

What firmware may I use for it ? Is Kempler&Strauss Playtab 4.4.4 custom root firmware fits for V17HD (RK3126)?

Thanks

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Oma7144

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2015/05/18 - 17:32
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Let me have a dmesg log.

- Oma -

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aksion
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2015/05/20 - 18:37
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Oma7144 said
Let me have a dmesg log.

- Oma -

here it is.

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Oma7144

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2015/05/20 - 18:51
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<4>[ 22.925135] Current WiFi chip is ESP8089.

V17HD based on rk3126 architecture has a Espressif ESP8089 wifi.

So, Kempler & Strauss build should work: http://www.arctablet.com/blog/forum/rk3126-entwicklung-und-customroms-development-and-croms/?lang=fr

Make sure you have the stock firmware or a dump of at least the genuine kernel.

- Oma -

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aksion
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aksion
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2015/05/20 - 20:01
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Oma7144 said

<4>[ 22.925135] Current WiFi chip is ESP8089.

V17HD based on rk3126 architecture has a Espressif ESP8089 wifi.

So, Kempler & Strauss build should work: http://www.arctablet.com/blog/forum/rk3126-entwicklung-und-customroms-development-and-croms/?lang=fr

Make sure you have the stock firmware or a dump of at least the genuine kernel.

- Oma -

One more question on Instructions : item 3) flash the firmware with AndroidTool  >> b) press Reset and then immediately press Power off and Vol up > status "Found One Loader Device". 

As far as there is no Volume Up button on this Chuwi V17HD model, what to press instead of it ?

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2015/05/20 - 20:04
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Try Switch. Or hold power button and reset until "Found ..." is shown.

- Oma -

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aksion
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xavierH
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2015/05/22 - 16:30
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Hi Oma and All,

Very intersting forum, thanks a lot Oma for sharing so much information.

I've just received my new Chuwy V17HD from Tinydeal.
And i'm very disapointed, i have a new version based on RK3128, so seems like i cannot use the nice roms that were built for the RK3188 version.

I think it could be interested for me to try to modify the ROM myself.

First question : Is the RK3128 compatible with the RK3126 ? Is it a good start to look at the roms for the RK3126 ?
I attached the dmesg output.
Seems like WIFI chip is ESP8089. I could start with the Kempler&Strauss Rom... ? 

I already have 2 problems though :
1. Wifi works fine and i can navigate in the play store. But i cannot download anything. The download animation starts but nothing is downloaded.
2. I tried the RK3126 root script. I checked with "adb shell", the su and busybox binary are in place with the correct rights. But SuperSU complains there's no su binary and that it cannot install it.

Any idea about these 2 problems ?

Thanks,

Xavier

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Oma7144

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2015/05/22 - 16:57
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Pls dump the firmware first and upload it elsewhere. I will check.

- Oma -

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xavierH
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2015/05/22 - 17:50
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Thanks ūüôā

I dumped the following partions: boot.img kernel.img recovery.img resource.img system.img uboot.img

Tgz should be downloadable here :

https://drive.google.com/folderview?id=0B7fPjBEexfCBfndDWTNsU2xESWx5RVduVXhpZ1R6MGd2S1J2bHpSZHltNEdZaVRrVjl5Z1U&usp=sharing

Let me know if you cannot download it,

Xavier

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xavierH
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2015/05/22 - 17:59
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Forgot to say : i could root the tablet by using TWRP for RK3128 and installing SuperSU_2.46.zip from the sdcard.

So the recovery.img is not the original one. It's TWRP which works fine.

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