How to fix Kobo Touch N905? (freezes for days)

manyPages · 06-10-2024, 10:12 PM

Hi.
I have a kobo touch n905. the first model that came out.
Some days it would work normally, without too many issues, except being slow. But then for several days it would stop working altogether. It freezes and doesn't respond to the touch. You can reset it many times, press the small button on the other side with a paper clip, completely restart it, reset it as many times as you want but it just doesn't respond. Then after some days or weeks it comes back to normal.
To try and fix this I installed KOReader, which it worked for a while, until the same problem reappeared, and not only that, but I was prompted with a message that I had to do a factory reset, which I did. Now when it first turns up I can't even use it because it doesn't respond to the touch when I try to set the language of the device, so I cant even get to the main screen.

Is there any way to fix this? Maybe some electronical hacking? Like replacing some part of the circuit? or maybe software?
In the case of software I would have to first somehow connect it to the computer, without having to click "Connect" as it's usually done, because I cant get to the main page, and even if I could it probably wouldn't respond.

According to wikipedia: https://en.wikipedia.org/wiki/Kobo_Touch
"Complaints included an overall sluggishness to the interface[7][16] (which eventually got solved in firmware updates) and the lack of hardware buttons for turning pages."

Also, this model doesn't have an internal SD.

Thanks.

Aleron Ives · 06-10-2024, 10:47 PM

It probably means that your eMMC is failing, so there is no longer a 100% working copy of Nickel (and since KOReader must be installed on the internal memory, it's also vulnerable). The normal solution would be to get a new SD card and put a fresh image on it, but for models that use eMMC, you'd have to do some serious surgery and soldering to replace the chip. Realistically, it's probably time to look at replacing your device.

06-10-2024, 10:12 PM	#1
manyPages Junior Member Posts: 2 Karma: 10 Join Date: Feb 2024 Device: Kobo N905	How to fix Kobo Touch N905? (freezes for days) Hi. I have a kobo touch n905. the first model that came out. Some days it would work normally, without too many issues, except being slow. But then for several days it would stop working altogether. It freezes and doesn't respond to the touch. You can reset it many times, press the small button on the other side with a paper clip, completely restart it, reset it as many times as you want but it just doesn't respond. Then after some days or weeks it comes back to normal. To try and fix this I installed KOReader, which it worked for a while, until the same problem reappeared, and not only that, but I was prompted with a message that I had to do a factory reset, which I did. Now when it first turns up I can't even use it because it doesn't respond to the touch when I try to set the language of the device, so I cant even get to the main screen. Is there any way to fix this? Maybe some electronical hacking? Like replacing some part of the circuit? or maybe software? In the case of software I would have to first somehow connect it to the computer, without having to click "Connect" as it's usually done, because I cant get to the main page, and even if I could it probably wouldn't respond. According to wikipedia: https://en.wikipedia.org/wiki/Kobo_Touch "Complaints included an overall sluggishness to the interface[7][16] (which eventually got solved in firmware updates) and the lack of hardware buttons for turning pages." Also, this model doesn't have an internal SD. Thanks.

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06-10-2024, 10:47 PM	#2
Aleron Ives Wizard Posts: 1,284 Karma: 15502884 Join Date: Sep 2022 Device: Kobo Libra 2	It probably means that your eMMC is failing, so there is no longer a 100% working copy of Nickel (and since KOReader must be installed on the internal memory, it's also vulnerable). The normal solution would be to get a new SD card and put a fresh image on it, but for models that use eMMC, you'd have to do some serious surgery and soldering to replace the chip. Realistically, it's probably time to look at replacing your device.