Some of Stef's Stuff

Kobo Aura hacks

by Stefano on 2014.05.12, 2 comments

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FCC report




Official software

kobolabs repo



Open the device (remove back cover)

To access the onboard peripherals the back cover of the Kobo Aura has to be removed. This is tricky, more than with previous Kobo because there are no screws and the grooves that keep the back cover and the front panel together are fairly tight.

The back cover can be popped out proceeding on the 4 sides of the cover with a very thin tool used as a lever to loosen the grooves one by one.

NOTE – There is a high probability to end up with a bit scratched cover. Also the edges of the cover could result a little deformed because they are very thin.


Previous and other Kobo hacks






Write .img to SD card

using dd on Mac OS X



Update the Kobo

The method used by the Kobo Touch to upgrade its firmware is quite simple: If the file .kobo/KoboRoot.tgz is found in the Kobo’s public partition, then the .tgz file is extracted to the root of the internal system partition. By editing some of the files within KoboRoot.tgz, we can fairly easily enable telnet and ftp access, giving us root privileges.

Source: http://wiki.mobileread.com


Kobo night-mode

Invert the color: light foreground, dark background



Enable Telnet/FTP

See http://wiki.mobileread.com/wiki/Kobo_WiFi_Hacking

Download the archive file and remove the backslash as explained in the following link, then use “nmap” to find the IP address of the Kobo http://wiki.mobileread.com/wiki/Kobo_Touch_Hacking


Enable Telnet/FTP over USB

only the “manual” part has been tested (it’s wiped with reboot)

before the setup

on the telnet session,  on kobo enter

after the setup



Turn on/off power LED

(g as green?)

/sys/devices/platform/pmic_leds.103/leds/pmic_ledsg # echo “255” > brightness
/sys/devices/platform/pmic_leds.103/leds/pmic_ledsg # echo “0” > brightness

exist, no impact (r as red? and b as blue?)

/sys/devices/platform/pmic_leds.114/leds/pmic_ledsr # echo “255” > brightness
/sys/devices/platform/pmic_leds.114/leds/pmic_ledsr # echo “o” > brightness
/sys/devices/platform/pmic_leds.98/leds/pmic_ledsb # echo “255” > brightness
/sys/devices/platform/pmic_leds.98/leds/pmic_ledsb # echo “0” > brightness

E-ink driver


the PMIC (Power Management Integrated Circuit ) onboard is


does it manage the backlight and how??

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