[ROM] [System pull] Teclast P85-AD93 (Rockchip RK3066 Dual Core) - Miscellaneous Android Development

I've seen some RK3066 tablets mentioned, but I think it's time to publish some software and assist those who can and are curious to develop.
First of all, this is the same old Teclast P85 with an Allwinner A10 chip, but this time it hosts a more powerful RK3066 dual core chip, with "quad core" Mali 400 (from what I understand it uses two physical cores and two threaded ones). Alongside it there is 1 GB of RAM, internal SD card of 16 GB, 1024x768, 8 inches...
What I bring here to the table is both a ROM from Teclast, the last working one to my knowledge (1.17) and a /system pull, in the hope that someone wants to pick them up.
If someone picks this and wants to poke about, I'll be glad to test and report.
Teclast image (with installation instructions): https://docs.google.com/open?id=0By7z2PcQscDhSEp0UlFEWmRzdFE
System pull: https://docs.google.com/open?id=0By7z2PcQscDhQTVHOHc4bV9RWTg

Logseman said:
I've seen some RK3066 tablets mentioned, but I think it's time to publish some software and assist those who can and are curious to develop.
First of all, this is the same old Teclast P85 with an Allwinner A10 chip, but this time it hosts a more powerful RK3066 dual core chip, with "quad core" Mali 400 (from what I understand it uses two physical cores and two threaded ones). Alongside it there is 1 GB of RAM, internal SD card of 16 GB, 1024x768, 8 inches...
What I bring here to the table is both a ROM from Teclast, the last working one to my knowledge (1.17) and a /system pull, in the hope that someone wants to pick them up.
If someone picks this and wants to poke about, I'll be glad to test and report.
Teclast image (with installation instructions): https://docs.google.com/open?id=0By7z2PcQscDhSEp0UlFEWmRzdFE
System pull: https://docs.google.com/open?id=0By7z2PcQscDhQTVHOHc4bV9RWTg
Click to expand...
Click to collapse
Hi Logseman, are there any way to root this tablet ?

Yes, you can use ZhuoDaShi with these instructions:
http://tabletrepublic.com/forum/teclast-a10-dual-core/how-root-teclast-a10-dual-core-2491.html

Christian Troy has been able to bring CWM to RK3066 devices. I'm laying a How-To here, but I don't guarantee that CWM will work flawlessly or as intended. I just used these steps to install it on my tablet, and they worked,
You need the update.img with the ROM you're using in your tablet, Wendal's tools to unpack RK images, and Christian Troy's CWM build.
1) Unzip the file which contains Wendal's tools.
2) Rename your update.img to wendal.img and move it to the folder where Wendal's tools are.
3) Run Runme.bat
4) Go to the Temp folder and copy the parameter file you have obtained.
5) Unzip the file which contains CWM.
6) Enter the folder which says "rom" and paste the parameter file from your tablet, replacing the one that is there.
7) Run the RKAndroidTool app in the CWM folder.
8) Connect your tablet in Flashmode: switch it off, and connect it while you hold the VOL+ button. If Windows doesn't find the drivers, they're packaged in the "Drivers" folder of the CWM file.
9) Now the RKAndroidTool should recognize your tablet. Click on "Flash ROM".
10) The tablet will restart in CWM after the flashing. Just poke around for a bit, and if everything's all right, restart the tablet,
Thanks go, of course, to Christian Troy and Wendal. If you can, donate to those guys, they're amazing!

Related

[Q] BeBook 7" Live Tablet

Does anyone have this tablet? I can't find this tablet on the website.
I want to know if this tablet can be upgraded to v3.0 or higher when ics comes on CyanogenMod?
Technical Specifications
Weight: 426 gr
Dimensions: 202 x 140 x 11 mm
CPU Samsung Cortex A8 1.0 GHZ
OS: Android 2.2
WiFi 802.11 b/g/n
Bluetooth
Capacitive Multi Touch Screen
7" TFT-LCD Display
SDRAM 512 MB
4 GB Internal Memory
Micro SD/SDHC slot (Up to 32 GB)
G-Sensor
Mini-HDMI port out
Mini-USB port
Microphone
Adobe Flash Compatible
Camera: 2 MP
2 Stereo Speakers
I've the exact same question about the Cyanogen Mod.
Also, I would like to know if it's possible to perform a COMPLETE back up (root or nand backup) without this mod. (without nandroid backup)
The device is also released as the BQ DaVinci. That company released a firmware update to Gingerbread a couple of days ago.
However, I'm a bit reluctant to install it, because it'll change the splash screen and who knows what else.
The update procedure seems to be different from other devices: you have to put a folder called SDFUSE on the root of the SD-card and reboot. The folder contains these files:
SDFUSE
--> ramdisk-uboot.img
--> sdfuse.txt
--> system.img
--> u-boot.bin
--> zImage
Does anyone have any idea on how to reverse-assemble these files (i.e. extract or replace boot splash screen,...)
Mahalaleel said:
I've the exact same question about the Cyanogen Mod.
Also, I would like to know if it's possible to perform a COMPLETE back up (root or nand backup) without this mod. (without nandroid backup)
The device is also released as the BQ DaVinci. That company released a firmware update to Gingerbread a couple of days ago.
However, I'm a bit reluctant to install it, because it'll change the splash screen and who knows what else.
The update procedure seems to be different from other devices: you have to put a folder called SDFUSE on the root of the SD-card and reboot. The folder contains these files:
SDFUSE
--> ramdisk-uboot.img
--> sdfuse.txt
--> system.img
--> u-boot.bin
--> zImage
Does anyone have any idea on how to reverse-assemble these files (i.e. extract or replace boot splash screen,...)
Click to expand...
Click to collapse
There is not much help here..
I think we can forget an answer to our question
From experience I can say 2.3.4 DaVinci upgrade works fine on BeBook Live, even Angry Birds Space is now playable!
Indeed so, I discovered that as well.
But... still no possibility to upgrade to a custom ROM apparently?
AGSO Somx 7 GS20 has same format for their ROMs. In my understanding:
zImage - linux kernel compressed
u-boot-config - ???
ramdisk-uboot.img - ram disk image for loading
system.img - image of /system disk
To convert other ROMs into this format you have to get kernel and ramdisk images from boot.img, then make system partition image (create virtual disk with same size, make filesystem on it, move all /system files to the disk).
After some researching:
zImage - linux kernel gzip-compressed (just kernel, with empty initramfs inside) with built-in unpacker code at start
u-boot-config.bin - u-boot loader and/or its config (perhaps, stage 2 loader as S5PC110 has two-stage loader)
ramdisk-uboot.img - initramfs image (initramfs archive by cpio, then gz [output name "ramdisk"], then mkimage from u-boot distribution)
system.img - image of /system disk (ext4, not compressed)
BQ put ICS (Android 4.0) online for the BQ DaVinci, works fine also (booting takes a bit). Definitely a good idea if you still are using the device, Skype and so on works smooth!

Help with Natpc x210 also known as Kingpad Flytouch 9

Hi There
I'm fairly new to this android stuff but starting to get my head round some of it, I have a Natpc x210 also known as Kingpad Flytouch 9 I have managed to root it but now there are some things I would like to do
First I would like to back up my original firmware and from what I have read I need to use clockwork but I get an error message when I try and install this saying it isn't compatible with my tablet so does anyone know how I can do a backup of my original firmware (rom).
I would also like to edit the build prop to try and cure the incompatibility of some of the game on Google market, would it be possible for someone to tell me what exactly to edit in the build prop, I have heard of people putting there tablets into a loop and almost bricking them so I want to be sure what I'm doing.
And I would also like to know if there are any custom Roms I could try on this tablet.
Below is the spec
CPU : Rockchip Dual Core (2 x 1.5GHz)
Graphics Processor : 4 x Mali 400 MHz
Touchscreen : 1024 x 600 10-point touch 10.1" CAPACITIVE;
Operating System : Android 4.1.1 JELLY BEAN
Memory : 1GB DDR III / 16GB NAND Flash - upgradeable by Micro SD memory card (max 32GB)
WiFi : 802.11 b/g/n
Connectivity : 1 x Micro SD slot, 1 x AC Jack, 1 x 3.5mm Earphone Jack, 2 x MINI Size USB, 1 x mini HDMI out
Camera : 0.3mp Front facing / 2.0mp rear facing
Android Market / Google Play Store : YES
G Sensor : YES
Dimensions : 253 x 167 x 13mm
Weight :480g
Cheers
Fermec
Hi fermec i don't have any answers for you but wondering if you cold help me i have the same device as you and am trying to root it. Could you post the method you used.,especaly how to get usb driver, thanks
I came across this post for rooting Rockchip 3066 tablets.
How to Root Teclast A10 Dual-core
The tool is all in Chinese but you don't need to read whats happening anyway. The tablet reboots itself twice. After the first reboot I had to hard reset.
These are the steps.
Install app on Windows (7Pro x64)
turn developer mode on device (Sumvision Cyclone Titan 9.7", Rockchip 3066, Mali400, Android 4.0.4)
plug the device in and wait for the tool to recognize it
click the button next to the only english word on the app 'ROOT'
wait a minute or two and the device reboots
i had to hard reset here
turn on device again
after a minute the tablet rebooted
walla, Rooted rockchip 3066 device.
link for Root Tool
http://www.multiupload.nl/5L8T1YRAC6
I have managed to root my tablet (natpc x210) using this method but this is the way had to do it, to get my laptop win xp 32bit to see the tablet i had to install ADB Driver this is a setup file then I attached the laptop put the tablet in usb debug mode, then I started the software and it automatically sees the tablet, then just click root wait for it to finish and that is it rooted,
Worked a treat for me
Fermec
Thanks for reply and links, did all of that wasn't sure about ABD thing so i used morobo ,now my tablet says it's rooted according to a few apps that check for root but the apps i want eg titanium rb sync wont install any thoughts ?. Thanks again for your help
Maybe you need to install busybox to make them run properly?
flytouch 9
omgomg said:
Maybe you need to install busybox to make them run properly?
Click to expand...
Click to collapse
I use this metod ,stuff24.de/blog/howto-root-minix-neo-x5-g4-rk3066/
use update 1 ,and install supersu.
Working good For flytouch 9
Is there a custom rom avalible for Natpc x210 also known as Kingpad Flytouch 9

[Android iA[ JB 4.2.2 Dualboot/Bare metal

Run JB 4.2.2 NATIVE (EFI bios only)
Diualboot with win8/linux/osx. - This is NOT a x86 emu - its bare metal
https://01.org/android-ia/documentation
Required materials:
•1GB or larger USB thumb drive
•A supported target device
•A laptop or PC running Linux, Windows, or Mac OS with working internet connection
Step 1: Back up your existing OS and all data on your device. The Android-IA installer will erase everything and repartition your hard drive automatically.
Step 2: Download the latest installer image for your device from the Downloads page.
Step 3: Prepare the USB thumb drive
Linux users:
•Unzip the downloaded file: `unzip your_installer_file.zip'
•Insert the USB thumb drive into your machine
•Open your terminal application and find the device name of the thumb drive. Run `dmesg' and look near the end for a name like "/dev/sdX" where X is a letter.
•Unmount any partitions that were automatically mounted: `sudo umount /dev/sdX*' (Where X is the letter from above)
•Write the live.img file from the extracted zip to the USB flash: `sudo dd if=live.img of=/dev/sdX bs=1M conv=fsync' (Where X is the letter from above)
Windows users:
•Extract the installer image from the downloaded zip file
•Download "Image Writer" application from https://launchpad.net/win32-image-writer/ and extract it to a folder of your chioce.
•Insert your USB drive into your computer.
•Find the drive letter of your USB drive by opening 'My Computer' on the desktop.
•Run Win32DiskImager.exe from Image Writer's directory.
•In Image Writer's window, select the installer.img you extracted from the downloaded zip
•In Image Writer's window, select your thumb drive's letter that you found in 'My Computer'
•Click "Write" and wait until the process is over.
Mac users:
•Extract the installer image from the downloaded zip file
•Open the Terminal (under Utilities)
•Execute `diskutil list' to get the current list of devices
•Insert your USB drive into your computer.
•Execute `diskutil list' again and determine the device node assigned to your flash media (e.g. /dev/diskN)
•Execute `diskutil unmountDisk /dev/diskN'
•Execute `sudo dd if=live.img of=/dev/diskN bs=1m'
•Execute `diskutil eject /dev/diskN' and remove your flash media when the command completes.
Step 4: Prepare device for installation:
•Set the device to boot from the USB thumb drive (device-specific instructions can be found on the devices page.
•Make sure "UEFI Boot Support" is enabled in the BIOS.
Step 5: Install the system.
• Plug in the USB thumb drive with the Android-IA installer image created in step 1
• Power on the device
• From the boot menu, choose "Install Android to hard disk"
• Wait until the installer finishes
• Unplug the USB thumb drive
• Power off the device by holding down on the power button for 10 sec., then power on the device and choose "Boot Android system" (or let the countdown timer expire)
You're done! Enjoy your Android-IA device.
Click to expand...
Click to collapse
Move post if in wrong section plz...
Sent from nexus 4 AOSP
Hello.
I installed the latest Android-IA (android-4.2.2_r1-ia1) on my Acer Iconia W700, and it works perfectly. The only downside (however, huge one) is the lack of libhoudini - without it half of android apps refuse to load on x86 processor. Which, by the way, scores ~70000 in Antutu (!)...
I searched everywhere, but there's just too little information on both libhoudini as well as Android-IA . Please, can anyone help in porting this library to Android-IA? I know it is not open source, but so are gapps, and Android-x86 already uses libhoudini. So there shouldn't be any real difficulties...
WBR, Draco.
Drakosha said:
Hello.
I installed the latest Android-IA (android-4.2.2_r1-ia1) on my Acer Iconia W700, and it works perfectly. The only downside (however, huge one) is the lack of libhoudini - without it half of android apps refuse to load on x86 processor. Which, by the way, scores ~70000 in Antutu (!)...
I searched everywhere, but there's just too little information on both libhoudini as well as Android-IA . Please, can anyone help in porting this library to Android-IA? I know it is not open source, but so are gapps, and Android-x86 already uses libhoudini. So there shouldn't be any real difficulties...
WBR, Draco.
Click to expand...
Click to collapse
Antutu score 70000!? really? You are using the i5 model?
Drakosha said:
Hello.
I installed the latest Android-IA (android-4.2.2_r1-ia1) on my Acer Iconia W700, and it works perfectly. The only downside (however, huge one) is the lack of libhoudini - without it half of android apps refuse to load on x86 processor. Which, by the way, scores ~70000 in Antutu (!)...
I searched everywhere, but there's just too little information on both libhoudini as well as Android-IA . Please, can anyone help in porting this library to Android-IA? I know it is not open source, but so are gapps, and Android-x86 already uses libhoudini. So there shouldn't be any real difficulties...
WBR, Draco.
Click to expand...
Click to collapse
I remember finding a manual install of libhoudini somewhere but it didnt work. That was with the february version of A-IA, though.
Sent from my 700T using XDA Premium HD app
Drakosha said:
Hello.
I installed the latest Android-IA (android-4.2.2_r1-ia1) on my Acer Iconia W700, and it works perfectly. The only downside (however, huge one) is the lack of libhoudini - without it half of android apps refuse to load on x86 processor. Which, by the way, scores ~70000 in Antutu (!)...
I searched everywhere, but there's just too little information on both libhoudini as well as Android-IA . Please, can anyone help in porting this library to Android-IA? I know it is not open source, but so are gapps, and Android-x86 already uses libhoudini. So there shouldn't be any real difficulties...
WBR, Draco.
Click to expand...
Click to collapse
Did you ever find a solution to this?
DJDrew said:
Did you ever find a solution to this?
Click to expand...
Click to collapse
Hi there
I'd also be glad to hear more about that...From what I could gather so far, there is no fully working ARM translator / libhoudini solutions for android IA. Hence the only solution would be to switch to android x86...
Change dpi and get bluetooth working with android and windows 8.1 at the same time
Do these changes if you are confident in your skills. I'm student and quite busy so if you ask something it can take some time for me to answer. Damages you might do to your system are your own responsibility. I have tested these instructions with Acer W700 on android-4.2.2_r1-ia3 and can confirm that they worked for me.
First changing dpi from original 213 to 160:
1. Get file manager on android like ES file Explorer
2. R/W rights to whole system on android
3. From root go to /system/etc/machine-props/
4. Open acer-w700.prop with ES Explorer and edit line "ro.sf.lcd_density = 213" and change 213 to 160
5. Reboot android and system should now be 160 dpi
Now about that bluetooth. I find it annoying that you have to pair your bluetooth mouse and keyboard again every time when you switch between android and windows 8.1. So I did research and found a way to fix this problem and here's how to do it. I can confirm that this works with Acer bluetooth/cover keyboard and MS Sculpt touch mouse.
1. Pair your bluetooth devices first with android and the with Windows
2. On Windows download PsExec
3.Then from downloaded file copy PsExec.exe in Windows to directory C:\Windows\System32 or to directory where your System32 folder is.
4. Write in the search cmd and run it as administrator
5. Then use command: psexec -s -i regedit.exe
6. Now go to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BTHPORT\Parameters\Keys
7. From \Keys you can find your paired bluetooth devices. First there is the devices bluetooh mac address and 32 numbers long linkkey. Now write those linkeys and mac addresses up or copy them.
8. Now everything is set on Windows side. Next boot to android.
9. On android you need again for example ES file Explorer and R/W rights
10. With file Explorer fro root go to /data/misc/bluedroid/
11. Open file called BT_config.xml
12. From text find your devices using mac address
13. When you find you devices mac addres scroll down and you should see line with linkkey and 32 number code.
14. Now take that 32 number code you got from Windows
15 You have to change it little so the linkey works and here how it's done:
for example your Windows linkkey is "12345678qwertyuiasdfghjkpoiuytre" now set it as 8 number clusters like this
"12345678 qwertyui asdfghjk poiuytre"
Now you have to reverse those 8 number clusters
Take the set on far right "poiuytre" and mark it like this "po iu yt re"
Now reverse those pairs like this "re yt iu po"
Now "reytiupo" this is the first line in the new linkkey
Do the same for other three cluster. After it's done this example linkkey looks like this "reytiupojkghdfasuityerqw78563412"
16. When you have your modified Windows linkkey ready you can just replace the old one from the file BT_config.xml
17. Now just reboot android and your keyboard and mouse should work.
I've found that sometimes when switching from Windows to android bluetooth doesn't connect. Just reboot android and your bluetooth devices should connect.
I would have posted this on deveopers site where people visit more often but you need 10 posts and this is my first one so if you can you should link my post there so more people can enjoy these instructions.
Thank you for reading this and don't forget to like it :good:
Anyone know where to find the source code for this?

[Q] Lenco Cooltab-72 Made in China Tablet - Firmware ?

Hello !
It's my first message on this forum... I don't write verry good in English... sorry
First, thank you to read my post
Where can I find a firmware (.img) for (compatible with) my device Lenco Cooltab-72 version 1.2 ?
The official Lenco support won't give me the original...
If someone have this device, it will be verry friendly to dump the stock room and upload it...
It's easy to dump the stock rom ! The files are direct nammed e.g. "system" in /dev/block/...
I have already system.img and boot.img but I haven't others...
But for flash it, I ask to a developper to help me...
With verry good luck, I succeded to flash a time with PhoenixSuit (bcs my tablet work on Allwinner A20 processor). The flash was a success but the screen of my tablet is white (sometimes grey or blue or black... view on afterflash.jpg)... The tablet boot on recovery and adb detect it but <adb shell> don't work... When I put "adb reboot bootloader", the tablet reboot normaly (no bootloader) and usb debugging is not active... I will test to buy a mini-HDMI to HDMI cable to connect my tablet to a external screen, is it a good idea ?
I tested to make a bootable sd card for allwinner tablets... but when I instert this one in the tablet, it don't boot
Caracteristics
WARNING ! IT'S MADE IN CHINA !
Tablet: Lenco Cooltab-72 version 1.2
Processor: Allwinner a20 1,20 Ghz 1,20Ghz (dual core)
Memory: I think 2Go (1go to system and 1Go to data and userdata)
Original Android version: Android Jelly Bean 4.2.2
And more on to view on pix (bottom)...
build.prop is also in the folder...
I have a dekstop computer with dual OS (Windows 7 and Ubuntu 14.xx -last-) (I'm actually on Ubuntu)... (don't detect sdhd cards but I can connect it with a other phone)
I also have a laptop sony vaio with windows 7 and intel core 1.3 cpu... (it detect sdhd cards)
And so a sdhd card of 8GB SanDisk class {4}
Pix:
Mega Folder link (add the http): mega.co.nz/#F!oI5RWbqD!7ciaCt4C7qmDTvHp-AC7Uw
The pix is captured together demounting
Thank you for have understood this message I'm french, sorry...
And thank you to help me,
Ioionutella
Hi, I also have a lenco cooltab-72. I have googled a lot about this tablet and also found zero to nothing about it. I would really need some help because recently my tablet stopped updating his RTC (clock). Also would like some roms if there are
P.S since this is a Allwiner A20 i have found this community: http://www.techknow.me/forum/index.php?board=170.0 (you need to register to see some hidden forums)
Thank's ! I didn't view this community but it should be good
I will keep you to date
ioionutella said:
... Where can I find a firmware (.img) for (compatible with) my device Lenco Cooltab-72 version 1.2 ?
Click to expand...
Click to collapse
Try NeedROM.
You have to get an exact match between the firmware and your hardware, and that site is generally very good for that.
Thank you Belamigo, but there isn't my tablet on this website
I succeded to flash a new rom with debug default enabled !
Now, adb work ! all is working well except the screen I see the same like the other...
ioionutella said:
I succeded to flash a new rom with debug default enabled !
Now, adb work ! all is working well except the screen I see the same like the other...
Click to expand...
Click to collapse
Where did you got that rom?
On techknow forum
ioionutella said:
Hello !
It's my first message on this forum... I don't write verry good in English... sorry
First, thank you to read my post
Where can I find a firmware (.img) for (compatible with) my device Lenco Cooltab-72 version 1.2 ?
The official Lenco support won't give me the original...
If someone have this device, it will be verry friendly to dump the stock room and upload it...
It's easy to dump the stock rom ! The files are direct nammed e.g. "system" in /dev/block/...
I have already system.img and boot.img but I haven't others...
But for flash it, I ask to a developper to help me...
With verry good luck, I succeded to flash a time with PhoenixSuit (bcs my tablet work on Allwinner A20 processor). The flash was a success but the screen of my tablet is white (sometimes grey or blue or black... view on afterflash.jpg)... The tablet boot on recovery and adb detect it but <adb shell> don't work... When I put "adb reboot bootloader", the tablet reboot normaly (no bootloader) and usb debugging is not active... I will test to buy a mini-HDMI to HDMI cable to connect my tablet to a external screen, is it a good idea ?
I tested to make a bootable sd card for allwinner tablets... but when I instert this one in the tablet, it don't boot
Caracteristics
WARNING ! IT'S MADE IN CHINA !
Tablet: Lenco Cooltab-72 version 1.2
Processor: Allwinner a20 1,20 Ghz 1,20Ghz (dual core)
Memory: I think 2Go (1go to system and 1Go to data and userdata)
Original Android version: Android Jelly Bean 4.2.2
And more on to view on pix (bottom)...
build.prop is also in the folder...
I have a dekstop computer with dual OS (Windows 7 and Ubuntu 14.xx -last-) (I'm actually on Ubuntu)... (don't detect sdhd cards but I can connect it with a other phone)
I also have a laptop sony vaio with windows 7 and intel core 1.3 cpu... (it detect sdhd cards)
And so a sdhd card of 8GB SanDisk class {4}
Pix:
Mega Folder link (add the http): mega.co.nz/#F!oI5RWbqD!7ciaCt4C7qmDTvHp-AC7Uw
The pix is captured together demounting
Thank you for have understood this message I'm french, sorry...
And thank you to help me,
Ioionutella
Click to expand...
Click to collapse
https://lencosupport.zendesk.com/forums/20467832-Firmware-GB-
https://lencosupport.zendesk.com/entries/26108701-Cooltab-72
26108701-Cooltab-72
marcars said:
lenco.eu/supportfiles/Firmware/Cooltab-72_Fixed_Skype.rar
Click to expand...
Click to collapse
for all who are searching like me
Lenco TAB-1035
marcars said:
https://lencosupport.zendesk.com/forums/20467832-Firmware-GB-
https://lencosupport.zendesk.com/entries/26108701-Cooltab-72
Click to expand...
Click to collapse
Hi mister. My tablet Lenco TAB-1035 does not work.I can not open an account.How then I download the firmware. Thank you.

Revive my dead china clone with RK3188 (rockchip-rk31sdk-WAWJMDN1KN)

Hi,
I'm badly need some help to revive my (rockchip-rk31sdk-WAWJMDN1KN).
Perhaps someone will give me idea to allocate proper parameter for recovery , kernel , boot , etc...
Usual location for tablet RK3188 Cortex A9 Quad core 1.6 ghz Governor interactive, Kernel 3.0.36+ ,Board hardware RK30Board/ 0000, Android 4.2.2 ;eng.root 20130912.185132 sdk 17, Display 1280x800; dpi;160 size 9.4'
GPU:Mali-400MP, RAM: 2048 Flash:32 gb Build in:16gb actual, wifi, usb, Bluetooth gps= all yes, camer 5MP additional 1.9MP
I decide to go ahead and try some custom rom using RKAndroidTool did not realize that by cleaning IDB I will low level format..
Before doing that I did save few pictures and run log via "android studio" also I backup whole unit via CWM hoping I will always have access to recovery.Unfortunately that not the case.The good think I still have access to RKAndroidTool( the tool is recognizing my device).
I can post link to my CWM backup if may help.
Inside that CWM backup is kernel.bin, system.bin recovery bin all large sizes files (complete CWM of my last working tablet rk3188). Maybe someone be able to advice how to make proper files to revive my system from that backup I have or help me some how to get recovery working so I can use my CWM backup or any other way to make this tab back to life again..
Many thanks for your kindness and time.
Have nice day
Adam
UPDATE ___
RK3188 adb is running no screen__help PLEASE
After erasing IDB in my unknown china tablet and loosing my whole system I was able to load different custom firmware from Chuwi v88 + different kernel and my Tab popup in windows showing 2 extra drives F and G.I did open android studio and notice access to adb and all activity in my android.The RKandroidTool also recognizing my tab.
No reaction to power button only automatically connecting to my comp ( black screen on my tab).
I have original CWM backup of my device.
Can someone advise me how to access recovery from this point or find the way to completely start my tablet.Maybe is possible to recover CWM from adb?I will need some help to use a proper commands perhaps in adb.

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