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Frustrated with my Kobo Touch model N905C which was working fine until I was charging it and it updated from Kobo desktop version 3.2.3. Unit froze on Updating screen and tried the following instructions from Kobo support with no success.

Kobo sent me a rebuilt unit that I charged and synced to my desktop. Safety ejected unit and then it froze on Restarting screen. Same steps as above made no change. I can see green and blue lights flashing but no change. Plug unit to desktop, but reader is not visible.

Is this a firmware problem that might somehow be caused by the Kobo desktop version I am using?
Am I stuck opening the unit and putting firmware files I see in other threads directly on the SD card?
Will everything on card need to be overwritten?

Here is everything I tried so far:
1. Slide and hold the power button for 10-15 seconds to power off the device
2. Next, while holding the home button, please flick the power button a few times until you see a blue light
4. Once you see the blue light flickering please let go and the device should reboot its self and start up
5. The device should reboot its self and start up
6. If instead of a blue light you see a red light, please repeat the troubleshooting steps again

1. While pressing and holding the Home button, turn your eReader over and locate the small hole on the back.
2. Slide one end of the paperclip into the hole.
3. Press gently until you feel a click. You should see a flashing light next to the power button.
4. Remove the paperclip
5. Let go of the Home button when the message "Restoring" is visible on the screen. (this could take 30 seconds)

If the instructions above don't work, try this:

1. Slide and hold the power button
2. While holding the power button, press down and hold the home button
3. Hold both buttons for 10 seconds
4. If nothing happens perform the same process again for another 10 seconds
5. The device should reboot its self and start up