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Is a stock firmware available?
- Oma -
Is the tab already rooted? Then we can dump the firmware.
- Oma -
Can someone help here dumping his firmware?
Root & Dump Tool: http://crewrktablets.arctablet.com/?wpfb_dl=1264
- Oma -
Thank you very much! We have solved this meanwhile via PM.
Maybe evilchuckk can provide the stock firmware for other users here?!
You need to install the RK USB-Driver. Usually they come with the RK Flashtools.
- Oma -
Hello, here is my img files https://mega.co.nz/#!UJNgFZJZ!O9PkqyfQDLVWtuDcQ9H-plV2OLhYD8oGOyAJuz-gjB8
Thank you for this files Evilchuckk. I installed CWM recovery in the tablet (http://www.arctablet.com/blog/forum/arctools-application/clockworkmod-cwm-recovery-easy-install-on-rk3066-and-rk3188-devices/) and it works very well. I make a backup but it doesn't create a file called system.img, the file system apears but with the extension "tar". Do you know why? How dis you obtein the file system.img? And do you know if the file ".tar" is good to make a recovery?
Another thing is to install a custom rom. Have you installed any in your tablet aocos px 103? I have seen that the Pipo M9 has a very similar especifications so I don't know if a rom for this tablet could be use for our tablet.
Backup of the files by CWM/TWRP will produce either a *.tar or *.zip files in which the kernel files plus all systems apps and user apps will be backed up. You dont have to use "REBOOT" into Recovery before you can do backups.(like Windows System backup , it doesnt produce a Windows installer in *.exe format)
there are apps that can do the back up Nandroid Manger is one : https://play.google.com/store/apps/details?id=com.h3r3t1c.bkrestore which manges the backup version
and its twin app OBackup : https://play.google.com/store/apps/details?id=com.pommedeterresautee.twoborange3 (I recommend this app)
Both can do Nandroid backup without REBOOT into "recovery". Our RK3xxx CWM recovery is just that "recover" from a bad software mod or update it can only do "backup" and "restore" if anthing goes wrong with our modification such as a bad "build.prop" or any additional drivers that we put into "init.d" that causes a boot loop for example.
But neither TWRP or CWM will produce a *.img file". Hope you guys understand this.
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Use backup to external sdcard.
You can restore system by using advanced restore from external sdcard > system.
System is in .tar format in this case.
To flash images (.img) you need the RKAndroidTool.
The problem with custom roms is your kernel. It is much bigger then the usual convention.
Kernel and parameter is here: http://crewrktablets.arctablet.com/?wpfb_dl=1313
- Oma -
The following users say thank you to Oma7144 for this useful post:pepitogrillo697
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