Originally Posted by davidfor
2.3.1 is the latest generally available firmware. It shouldn't be behaving like that and has for me. It could be hardware. If the problems you described happened on a PC, the advice would be to test the memory and the drive. It is possible the device has faulty memory. As you bought it overseas, that does make it a problem to exchange it. Maybe you can contact Kobo directly.
to be frank, i'm not using it much since 2.3.1 upgrade...maybe some problems will be gone. problem after disconnecting power cable came up yesterday, but it seems like a common problem...