I have Kobo Sage but it's not a great device.
Very bad battery life. Maybe 8hrs of reading with wifi off, BT off and only low screen backlight. I need to charge it daily or every other day at best.
Physical buttons are comically bad and often don't register presses.
Built-in book reading app is slow, lacks some critical features and hangs in many epub books. I replaced it with KOreader which finally made the device usable.
It's a great screen size though (9" would be even better).
> Very bad battery life. Maybe 8hrs of reading with wifi off, BT off and only low screen backlight. I need to charge it daily or every other day at best.
This seems like a wildly different experience than I have with it. I don't read 8 hours per day, but typically 1-2 hours per day, and charge it every 2-3 weeks.
i would return it, there is something wrong with your battery