Thread: Aura HD Bricked Aura HD
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Old 01-14-2019, 06:49 PM   #393
davidfor
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Posts: 24,905
Karma: 47303824
Join Date: Jul 2011
Location: Sydney, Australia
Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos
Quote:
Originally Posted by peterg17 View Post
Thanks. The serial number from the device info page is N236000000000, however I am fairly sure that comes from the image you sent me.
Yes, that is the serial number in the image.
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I cannot see the serial number on the case, only a model number N236.
They are usually in the area around the USB port.
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I purchased it october 2017, so it must be the old
version.
I'm pretty sure that will put it as the first version.
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I compiled the xcsoar distribution and telnet'd in over wifi, cpuinfo is:

version Processor : ARMv7 Processor rev 10 (v7l)
BogoMIPS : 790.52
Features : swp half thumb fastmult vfp edsp neon vfpv3
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x2
CPU part : 0xc09
CPU revision : 10

Hardware : Freescale i.MX 6SoloLite NTX Board
Revision : 60200
Serial : 232489d4e31745f3
I think that sounds more like the older version. The details that we have from Kobo about the newer version are here.
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I assume the problem must be hardware. It has now developed horizontal lines across the screen from where the vertical lines terminate. It is still usable though.I might take it apart and try to air it out.
That sounds like a damaged screen. Hopefully it won't get worse.
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The kernel in the image you sent me has OTG capability, and I was able to insert the g_ether module and establish a usb link with a linux pc with the ifconfig command. However the modules are in an unusual location, in the /drivers directory, where normally in linux they are in the /lib/modules. I wonder if this image a standard kobo kernel, or one compiled elsewhere?
Most of the image I have are taken from the device immediately after a factory reset. And the only other change should be to set a fake serial number. The location of the drivers looks normal for Kobo. Or at least that is where they are in the update packages.

I don't know about the OTG support. I've seen what looks to be an OTG driver in some updates, but, have never had a need to explore it.
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