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#241 smithmal

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Posted 17 December 2013 - 05:25 PM

Guys

First look of the Android 4.4 Kitkat on Pipo U8


can we change the Kernel to the Chuwi Kernel?
Thanks



We could if the firmware was packaged using the RKAndroidtool. This tool requires the dev to package the ROM as component modules (one of which is the kernel).

The Pipo U8 KitKat release from Arctablets seems to have just tweaked a firmware release to provide root privileges and uses the RKBatchTool to flash. This tool doesn't separate the firmware/ROM into interchangeable component modules, rather it flashes one image file (i.e. doesn't allow for easy kernel replacement). If/when Arctablets releases a 4.4 using the RKAndroidtool, we could try switching out the kernel and see how well it works on the v88/v88s.

smithmal

#242 rfreiha

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Posted 17 December 2013 - 06:49 PM

OMA has a pipo u8 build we might test this one
http://crewrktablets...let.com/?p=2343

What do u think?

#243 rfreiha

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Posted 17 December 2013 - 11:10 PM

OMA has a pipo u8 build we might test this one
http://crewrktablets...let.com/?p=2343

What do u think?

I tested it no wifi no bluetooth
Ui is litle bugy

#244 rfreiha

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Posted 17 December 2013 - 11:25 PM

I have found the Chuwi forum and it seems that they couple of newly updates but not sure if it's based on kitkat or not
Here's the link
http://bbs.chuwi.com...71&extra=page=1

#245 empool

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Posted 25 December 2013 - 07:21 AM

Hi,

Merry Christmas to all!

Question,
Today I flashed oma's ROM 4.3 sdk2.0 ROM and runs really smooth!
The only thing is when I open some apps (not all) the screen rotates 180° thats really annoying...

Is there a patch for this problem?

Greetings Erik-Martijn

#246 empool

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Posted 25 December 2013 - 07:53 AM

Here is a video of the problem


#247 smithmal

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Posted 25 December 2013 - 05:15 PM

Here is a video of the problem



Merry Christmas,

No, sorry this is a known bug with the Chuwi firmware and ROMs. Hopefully this will be fixed soon.

smithmal

Edited by smithmal, 25 December 2013 - 05:15 PM.


#248 empool

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Posted 26 December 2013 - 05:24 AM

Merry Christmas,

No, sorry this is a known bug with the Chuwi firmware and ROMs. Hopefully this will be fixed soon.

smithmal

Smithmal,

Strange with the original firmware (June 2013 kernel bob 102) the rotation bug wasn't there.

#249 smithmal

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Posted 27 December 2013 - 10:34 AM

Smithmal,

Strange with the original firmware (June 2013 kernel bob 102) the rotation bug wasn't there.


True, I think the rotation error started with the Android 4.3 firmware releases.

smithmal

#250 empool

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Posted 06 January 2014 - 01:37 AM

yesterday my v88s went totally black after booting it up, i had to hard power it off.
power on the tablet again and the same happened.
after this i boot into CWM and do a wipe and factory reset, but didn't fix it

now i flashed another rom (timeless)and works perfectly again!

Edited by empool, 06 January 2014 - 01:37 AM.


#251 smithmal

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Posted 09 January 2014 - 09:32 PM

Hi! I treyd this one tutorial to update my system

( http://www.youtube.com/watch?v=PR3xKkdQODQ )

but after the RKandroidtool finished flashing and should switch tablet into recovery mode, tablet only little bit lighting with black color. Now I don´t know what can I do... Has somebody same problem or any idea? Thank you

I have the same problem like konn still black. My mystage was that when I tryed flash new rom like a first post on the first page of this topic I forgot unmark "parameter" and when it should switch into CMW nothing happend, black screen.


You need to read the OP for this thread. When you flashed this ROM, the default kernel is not compatible with your model which is why you are getting a black screen. To fix this, match your model and S/N to the correct kernel, DL the kernel and then using the RKAndroidtool to flash just the kernel (you don't need to flash anything else to untick all the other boxes except for the kernel box).

The is a link in the OP which will inform you which kernel to use for your tablet model.

BTW, your question has nothing to do with root so you are posting in the wrong section of this forum. Kindly keep all further discussions within the ROM development subsection (and specifically under the Oma Rocks thread) when requesting help about community ROM support.

smithmal

Edited by smithmal, 09 January 2014 - 09:35 PM.


#252 agresor360

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Posted 10 January 2014 - 04:20 AM

Oh I´m so sorry, may I delete my reply? And thank you for advice :) P.s. How can I flash new kernel in rkAndroidtool?

Edited by agresor360, 10 January 2014 - 06:36 AM.


#253 smithmal

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Posted 10 January 2014 - 08:52 AM

When you have accidentally flashed the OMA Rocks ROM with the wrong kernel, the fix is relatively easy. The hardest part is to identify which kernel is specific to your tablet model. For 1st GEN models of the classic v88, TIG, v88S models (i.e. models that have "QUAD" in their S/N) it's best to use the default kernel the ROM is packed with (kernel bob#160).

For 2nd GEN models it's gets a bit harder because of all the hardware switches that Chuwi has done with their production runs.

Your best bet is to identify the kernel in your settings menu (Settings ----> About tablet ---> Kernel version. It should be listed there. Once you have identified it, Oma has provided DL links for all the current kernels here.

DL the kernel file specific to your tablet to your desktop. Now do the following:

1. Open up RKAndroidtool (v1.37) with Admin Privileges on your PC
2. Put your tablet into flash mode by first completely shutting it down and then holding down the Vol+ while connecting your tablet to your PC via a microUSB cable. Please note: do not plug into a hub and also do not plug it into a USB 3.0 port (only USB 2.0 or below)
3. The RKAndroidtool should recognize your tablet by saying "Found RKAndroid Loader Rock USB" see pick below

Posted Image


4. Unclick all boxes associated with the OMA Rocks ROM except the kernel box
5. Click the button on the far right of the kernel row (the one with the "..." in the box in kernel row. This is essentially telling the utility that you'd like to load a kernel file from a different location. Navigate to your desktop where you saved the correct kernel file and select it.
6. Now press "Flash ROM." Note: you should not press "Erase IDB," just "Flash ROM"
7. Reboot your tablet into CWM manually by holding down the Vol+ button and then the power button for 3 seconds
8. Now you should be able to flash the NAND_Fix file and "Bob's your Uncle."

smithmal

#254 empool

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Posted 10 January 2014 - 08:55 AM

Bob's your Uncle what is that?
or do you mean the kernel :unsure:

Edited by empool, 10 January 2014 - 08:57 AM.


#255 smithmal

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Posted 10 January 2014 - 09:11 AM

Bob's your Uncle what is that?
or do you mean the kernel :unsure:


It's an old Bristish saying which means "if you do this you will quickly solve your problem."

#256 empool

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Posted 10 January 2014 - 09:16 AM

hahahaha ok :lol:

#257 maxxkiz

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Posted 14 April 2014 - 02:46 PM

Help me please. i use V88 16G2130900287 2G DDR3 try to upgrade this firmware http://www.slatedroi...release-121013/

because i want to use multi windows. All successful , but after that my tablet always black screen.

What should i do ? please

Which kernel for V88 16G2130900287 ?

 

I try this too http://www.slatedroi...13#entry1141274

but it's not work   :cray: Can anyone tell howto step-by-step with picture ?

sorry for my bad English  :(

Thanks in advance.

 

Max.

 

Edit i already read http://www.slatedroi...ed-fixed/page-9

 

 

'yen0126', on 14 Jun 2013 - 1:19 PM, said:

Finally, I got my V88 back.
Not key combination, not try and try.
 
The working method is using "mask rom mode".
I refer this site.
 
I think you guys can google "rk3066 mask rom mode".
 
The following is my steps:
 
0. unplug charger and USB, and open "RK batch tool"
1. deep power off V88 ( press and hold power botton 20 sec.)
2. sort 2 pins (refer the above site), and plug usb.
3. you will see "blue" icon in RK batch tool.
4. flash some image. ( I use timeless 0525 one)
 
Good luck for everyone!
 

 

i'm not understand about step 2 "sort 2 pins (refer the above site), and plug usb."

 

However i'll try this method soon

Thank you.

 

Edit2 

 

http://www.slatedroi...10#entry1197625


Edited by maxxkiz, 15 April 2014 - 12:49 AM.


#258 empool

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Posted 15 April 2014 - 12:12 AM

@ Maxxkiz

 

you need to flash another kernel

you can find it here: http://forum.xda-dev...7&postcount=656



#259 maxxkiz

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Posted 15 April 2014 - 01:44 AM

Thank you @empool

 

I try many thing

 

1. http://www.slatedroi...13#entry1141274

    with kernel bob #351 #353 #459 - still black screen

 

2. http://www.slatedroi...10#entry1197625

    and still black screen 

 

give up.. 

 

Or anyone can help me again with the first step that should i do on the right method

(eg, i should make this first then make this...)

 

Thanks in advance

Max.


Edited by maxxkiz, 15 April 2014 - 01:47 AM.


#260 empool

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Posted 15 April 2014 - 01:56 AM

Max,

 

re flash the original firmware and look which kernel it uses maybe we can help you if we know the original kernel

 

original firmware can be found here: http://www.chuwi.com...d&a=index&id=51






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