Thread: Aura H2O Boot from external SD
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Old 01-24-2016, 06:18 AM   #3
Markismus
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Posts: 955
Karma: 149907
Join Date: Jul 2013
Location: Rotterdam
Device: HiSenseA5ProCC, Cracked OnyxNotePro, Note5, Kobo Glo, Aura
Nice thread! I am thinking of installing Arch Arm on it using archroot. So I will need the same u-boot hack, when I get around to it.



Searching the forum is nearly impossible it seems at times, especially when you don't have the correct search terms. Use the thread tips and tricks for your initial searches. I think the uboot hack is part of the threads on turning your kobo into a debian tablet. Here is the u-boot wiki.

If you want shell access to your kobo device: enable telnet (tips&tricks), enable wifi, telnet to the IP of your Kobo. (On windows use putty). If you want more access, I would install KoboLauncher which comes with USBnet. You can than telnet and ftp to your USB gadget. (To get it working: again T&T).



After you have made a backup of your SDcard to your PC with dd, you should also be able to dd a custom block to the SDcard. So you extract the current uboot image. Hack it and copy it. The hack is done by changing hexadecimal codes. So obviously, this could be a trial and error procedure. If it goes wrong, you will have to open up the Kobo to restore the original Uboot image.

So no, do not expect to do this, if you never want to open your case.

I've opened the Glo, Aura, HD and since day before yesterday the H2O. It always scares the crap out of me, but I still haven't broken anything. Fingers crossed. Please be advised to use a plastic tool that breaks before the reader case gets damaged. (I rather like the ones on the right.) The Aura H2Ois actually one of the least damaged readers, because it only has adhesives keeping the top and case together. There are two glue rings. One on the back case at the outer edge. One on the inner edge on the screen. It will take you some repetitions before you can get the glue to separate.

Last edited by Markismus; 01-24-2016 at 06:32 AM.
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