Just had to register and get in on this: i have had no luck with kobo customer service so hopefully i can find something through here:
I use a dlink dir-625 with wpa2 personal, 26 character key . I have tried everything i can think of, factory reset, manual, display pass on and off etc. I have had no luck, keeps saying wrong password. I can however connect to unsecured networks in area with no problem.
I emailed kobo but they said they are not working on any firmware and i will have to downgrade my connection to lower security and try a g only connection or there is nothing they can do. I have had no issues with any other devices.
Hopefully someone can figure this out or make Kobo realize there is a problem that needs to be fixed. Love everything else about it