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HomeClockworkMod (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 !
Contributor
2012/08/25
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Hello,
I may be in the wrong section to post this , if so please let me know.
I just bought an Arnova 7 G2 8Gb tablet from a retail chain in Belgium, the device was sold with Android 4.0.3 out of the box (nice sticker on the box was added to mention it).
I have tried a few things to have the Google Play app working, without success. In a nutshell :
- Install Google Apps manually : Error message when installing google framework, gmail market etc would install, but quit at launch.
- Using arctools : Error message when trying to install App Packages (error 20/28), no firmware to chose from the list.
- Putting update.dmg with Fenice's firmware at the root of my device (internal storage, could not put it above) : Tablet never offered to install a new firmware as described on Arnova's page.
My questions :
- Would anyone be interested in a ROM dump of that tablet sold with 4.0.3 to mod it ? If so, an explanation on how to proceed would be nice
- Have i missed something in the steps described to try getting Google play working ?
- Why isnt there any firmware more recent that Jan 2012 for that model on Arnova website, as this one was installed on the boxed product and is more recent ?
Thanks !
Moderator
Blog Team
2012/02/02
Offline
A ROM dump would be very nice, for two things:
- the current 7G2 users with 2.3 installed will be able to upgrade the device to 4.0
- We will be able to cook a cfw with Google Play with help of our kitchen.
We have written a nice windows tutorial for you to follow(written for 4.0 tablets, but it should be nearly the same for you, the rooting method goes just a little bit further):
http://www.arctablet.com/blog/featured/windows-dumping-tutorial-for-rk29-equipped-arnova-g3-models/
If you have a Linux machine, it is easier:
__
About the firmware not available on the website - Archos marketing.
Contributor
2012/08/25
Offline
Thanks for the answers exelletor.
I'll try doing this in the next couple days, any suggestion for hosting the resulting update.img ?
Moderator
Blog Team
2012/02/02
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Oream said
Thanks for the answers exelletor.
I'll try doing this in the next couple days, any suggestion for hosting the resulting update.img ?
We have a file uploader on the server for that. 
http://www.arctablet.com/blog/at-upload/
Otherwise, I also like mijnbestand.nl and mediafire.com
2012/08/23
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I also saw those tablets with ICS recently in a store (Belgium). Anyway, is there a chance that you could cook something for a 7b G2 out of it?
admin
2010/09/11
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Thanks for your post Oream, that's nice to see someone finally getting hold on these Arnova 7 G2 ICS tablets 
Please don't try to flash anything, you could corrupt the exist ICS firmware and make it not dumpable.
You should no problem to make the dump using the 2 links exelletor gave in post #2, if any issue let us know.
Cheers.
PS: I have moved this topic to the right forum section.
If you like our web site, applications and firmwares, feel free to support our site. Donations are used to pay the bills for our server hosting costs, development tools and purchase new tablets to support.
2012/04/05
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Any news? Is there anything I can help out with?
2012/08/31
Offline
Oream said
Hello,
I may be in the wrong section to post this , if so please let me know.
I just bought an Arnova 7 G2 8Gb tablet from a retail chain in Belgium, the device was sold with Android 4.0.3 out of the box (nice sticker on the box was added to mention it).
I have tried a few things to have the Google Play app working, without success. In a nutshell :
- Install Google Apps manually : Error message when installing google framework, gmail market etc would install, but quit at launch.
- Using arctools : Error message when trying to install App Packages (error 20/28), no firmware to chose from the list.
- Putting update.dmg with Fenice's firmware at the root of my device (internal storage, could not put it above) : Tablet never offered to install a new firmware as described on Arnova's page.
My questions :
- Would anyone be interested in a ROM dump of that tablet sold with 4.0.3 to mod it ? If so, an explanation on how to proceed would be nice
- Have i missed something in the steps described to try getting Google play working ?
- Why isnt there any firmware more recent that Jan 2012 for that model on Arnova website, as this one was installed on the boxed product and is more recent ?
Thanks !
If it's try and you can make dump it will be very good.
Good luck
Contributor
2012/08/25
Offline
Hello lads,
It's been a while since my last post, but i'm done moving apartments now ! First things first, pictures of the product :
Sorry about quality, iphone camera + bulges under plastic film + shitty lighting = this .
Next step : dumping that ROM using exelletor's instructions
2012/08/31
Offline
Oream said
Hello lads,
It's been a while since my last post, but i'm done moving apartments now ! First things first, pictures of the product :
Sorry about quality, iphone camera + bulges under plastic film + shitty lighting = this .
Next step : dumping that ROM using exelletor's instructions
Realy cool. I think you can do it. Good Luck and YOU must remember - we are your friends
2012/04/05
Offline
Thanks. Best of luck with your dump - if you have any issues let us know!
Contributor
2012/08/25
Offline
Hi All,
So, I'm done installing the 312354315234213 apps required for the dumping, I went thru exelletor's tutorial for the dumping aaaaaand... i'm stuck.
Long story short, I was able to connect to my Arnova 7 through command line, found the block containing the backup, but my issue started when I tried to use the
/sdcard/rkdump /dev/block/mtdblock4 /sdcard/update.img command, which returned an error message saying 'permission denied'.
To get around this and following the comments under the tutorial, I went instead for /data/local instead of /sdcard to store the dump, changed permissions to 777 for rkdump once there. This time no error message, there you go, CRC, done.
My issue now is, apparently a dump got created, but I don't know how to get it back on the computer -_- Went to the Arnova settings, disabled the USB debugging, tried to get it from My Computer > Arnova, but I don't see it anywhere there.
I'm pretty sure it's very close at this point, any idea on what I could have missed ?
Edit : When checking with the file browser on the tablet, the dump created appears at the root of internal storage. I thought of uploading it through the at-upload page, obviously Android does not offer me to pick it up since it's not part of my photo/audio/video library. Trolololololooo.
admin
2010/09/11
Offline
That's great progress, nice.
Well you can probably use File Explorer (or whatever the application name is) to copy the update.img file to the right directory.
Or you can use your command line again from the computer, from the directory having adb:
adb pull /sdcard/update.img .
This will retrieve the update.img file to the local directory where you launched the command on the computer.
Cheers.
If you like our web site, applications and firmwares, feel free to support our site. Donations are used to pay the bills for our server hosting costs, development tools and purchase new tablets to support.
Contributor
2012/08/25
Offline
Cheers admin, I did not have to use the pull command (was a bit lazy to put the whole thing back into debug mode) but just moving update.img to /sdcard/downloads did the trick.
I'm currently uploading it through the at-upload page
Couple more things :
- I would be interested in understanding the cooking process, are there any tutorials out there explaining how to modify exisiting firmwares ? I'm especially interested in how Google Play can be trumped
- Do you need the lines I added to winusbinfo to make it work with the Arnova 7 G2 ?
- The exercise of dumping was quite refreshing. I would recommend it to anyone who has touched linux/shell in the past but forgot most of it, that kind of hands-on is fun !
Moderator
Blog Team
2012/02/02
Offline
Oream said
Cheers admin, I did not have to use the pull command (was a bit lazy to put the whole thing back into debug mode) but just moving update.img to /sdcard/downloads did the trick.
I'm currently uploading it through the at-upload page
Couple more things :
- I would be interested in understanding the cooking process, are there any tutorials out there explaining how to modify exisiting firmwares ? I'm especially interested in how Google Play can be trumped
- Do you need the lines I added to winusbinfo to make it work with the Arnova 7 G2 ?
Admin wrote a few scripts to make it easier(=faster) to develop custom firmwares, so we will take care of it for you. 
Basically, you take the backup image apart (AFPTool on windows), you take out the boot and the system images, then you make the system rewritable (=root, you also need to have the boot image for that I think), add Superuser apk and the binaries with busybox to system and for Google Play, you will need to add the apk and the framework files. Then you put it all back and you have a new update.img which can be flashed. The thing is that thanks to the scripts, this process is nearly fully automatical, so we should have a test firmware pretty soon. And another thing is that you need Linux for that.
I don't know whether the lines in winusb file are the same for normal 7G2 and 7G2ICS, but it would be cool if you could share them.
- The exercise of dumping was quite refreshing. I would recommend it to anyone who has touched linux/shell in the past but forgot most of it, that kind of hands-on is fun !
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