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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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[ RK3288 ROM ] Teclast P90HD 4.4.2 custom root firmware (2014/07/29)
This is only for the old hardware revision A6K6.
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Oma7144

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2014/08/21 - 14:27
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Anybody able to provide the latest firmware V1.23_20140818 ?

- Oma -

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sho25
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2014/08/21 - 21:14
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Oma7144 said
Anybody able to provide the latest firmware V1.23_20140818 ?

- Oma -

Hi Oma,

 

Got it. Glad I could contribute something.

https://www.dropbox.com/s/yxnynw9cwjij0ru/P90HD%20%28A6K6%29-Android4.4.2-V1.23-BEC3.rar

The following users say thank you to sho25 for this useful post:

Oma7144, LX_R
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Oma7144

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2014/08/21 - 21:45
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Great. Thanks a whole lot!

ro.build.display.id=V1.23_20140818

kernel #817 preempt 20140811

Changelog (google translate):

V1.23 version updates:

1, updated GPU version, upgrade fluency;

2, update Camera: modify the system default for the first time to start for the rear camera; closed front exposure and white balance

3, update the battery charging curve, improve battery power display

4, the update system built apk program

It is late today. I will do a build tomorrow.

- Oma -

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Oma7144

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2014/08/22 - 15:36
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Update post #1 with build v1.3.

- Oma -

 

v1.3_02.pngImage Enlargerv1.3_01-1.pngImage Enlarger


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Oma7144

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2014/08/23 - 14:39
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Update post #1 with build v1.3.1. Full gapps compatibility now ;-)

- Oma -

 

v1.3.1_03.pngImage Enlargerv1.3.1_01.jpgImage Enlargerv1.3.1_02.jpgImage Enlarger

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sho25
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2014/08/27 - 15:38
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Hi Oma,

 

New firmware has been provided:

https://www.dropbox.com/s/ouoa2qnxflygnde/P90HD%20%28A6K6%29-Android4.4.2-V1.24-4123.rar?dl=0.

 

Change log (google translate):

Version: V1.24_20140822 (android 4.4.2)
to improve the content:
one, updated GPU version, to enhance fluency;
2, updates Camera: modify the system default for the first time to start for the rear camera; closed Front Exposure and white balance
3, update the battery charging curve, improve battery display
4, update system built apk program
five, known to use some third-party applications to solve unusual problems
6, solving boot problems with some machines probabilistic display abnormal
7, optimization system-level performance upgrade

The following users say thank you to sho25 for this useful post:

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Oma7144

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2014/09/06 - 16:58
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Update post #1 with build v1.4.

Build is based on stock v1.24, which is dated 22. Aug 2014. The kernel (#817 preempt 11. Aug 2014) is the same as in stock v1.23.

All chinese stuff (incl. the launcher) is removed. A full gapps package (incl. goolge now launcher) is added.

USB-Hub is working ;-)

- Oma -

v1.4_03.pngImage Enlarger

 v1.3.1_01.jpgImage Enlarger

 v1.4_02.jpgImage Enlarger

 v1.4_01.pngImage Enlarger

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Pete10
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2014/09/06 - 23:05
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My p90hd has not arrived yet, but good to see the work progressing. Can't wait to try it out, thanks!

I have a few questions for Oma:

Does the rom support mounting cifs (nas storage), for instance to play music and video?

About the usb otg, good that it is working. Any idea if it is possible to charge the tablet and use it at the same time, I assume with some sort of y cable?

And about 4.4.2 vs 4.4.4 builds, is there any difference, besides, I assume, multiwindow?

You mentioned earlier that the emmc driver was perhaps not optimal, is that indeed making a difference in the speed of the tablet?

Best,

P.

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bobb
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2014/09/08 - 05:54
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I tried the multi wiindow rom and came back to this one.

It did not seem as responsive as this one, but was still very usable.

With antutu version 5.0 am getting a score of approx. 31900 (with all background apps turned off), was wondering if others are seeing the same score? It appears the new version of antutu scores differently than the older versions....

Thank you Oma for continuing to work on this tablet!!

Onda V972

Ainol Fire

iFive mini 3

Teclast P90HD

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Pete10
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2014/09/09 - 20:23
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bobb said
With antutu version 5.0 am getting a score of approx. 31900 (with all background apps turned off), was wondering if others are seeing the same score? It appears the new version of antutu scores differently than the older versions....

Thank you Oma for continuing to work on this tablet!!

I just received mine. Antutu 5 around 32000 too, with the stock 1.23 version.

Lots of chinese stuff so up to Oma's 1.4 version is next.

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Oma7144

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2014/09/10 - 22:04
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To wrap-up the eMMC performance discussed in post #27:

Chip is Samsung KLMAG4FE3B-A001 - http://www.datasheet.directory/samsung/KLMAG4FE3B-A001.pdf

According to spec: 44 MB/s read and 14 MB/s write. So, no driver issue just a not so fast chip ;-)

- Oma -

Teclast01-1.jpgImage Enlarger

 Teclast03-1.jpgImage Enlarger

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Pete10
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2014/09/11 - 00:00
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Thx Oma. 

I am now running 4.4.4 multi. I had some problems with the screen turning off and not waking up again (just blank screen with backlight,  but nothing else),  even long press power with/without  vol up did not work. Then for some reason it started again.   Reflashed many times but still no clue,  anyone? Don't know if it will come back again, hope not as it drives me mad... 

Added: Turned the tab off last night, after using it for a few hours without problems (also turning it off/on, restarts to test), but this morning same problem. Tab reacts to on button as the backlight goes on, but that is it.  I tried earlier v 23 (also stock 23 posted above) and 24 builds, and now the 4.4.4. but all have it. Note that the flashing works (tab is recognized but nothing on the screen during the process, afterwards it comes alive - usually).  I hope that I will not have to return it though (often a big problem when something works erratic). Bummer, some help suggestions really appreciated! 

P. 

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Oma7144

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2014/09/11 - 14:11
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Same problem with different firmware/kernel indicates a hardware problem. Try one of the older builds in post #1.

- Oma -

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Pete10
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2014/09/11 - 21:33
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I will try a few things.  Sometimes error is displayed that system.ui has stopped.  My idea now is that it might be  related to the orientation sensor while waking up, if it is different than the orientation when the tab entered sleep state,  or something related to a notification message.  The problem seems associated with when I lay down the tab flat. 

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Oma7144

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2014/09/13 - 08:49
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Just a word to the CPU architecture:

<6>[    0.000000] Booting Linux on physical CPU 0x500

<5>[    0.000000] Linux version 3.10.0 (york@mid-Porsche) (gcc version 4.6.x-google 20120106 (prerelease) (GCC) ) #525 SMP PREEMPT Tue Jun 10 10:59:54 CST 2014

<4>[    0.000000] CPU: ARMv7 Processor [410fc0d1] revision 1 (ARMv7), cr=10c5387d

<6>[    0.000000] Machine: Rockchip RK3288 (Flattened Device Tree), model: rockchip,rk3288

c09x = ARM Cortex-A9

c0dx = ARM Cortex-A12

c0ex = ARM Cortex-A17

 

- Oma -

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