In past few weeks as the device I own has begin to age, I encountered some tiny glitches while reading books on my Kindle. May be it is the last update (5.8.1) that I recently got, which sucks and due that the device is a bit of unstable. Irrespective of the cause, there are some problems you are going to encounter if you own and use the Kindle device for reading books.
Cannot Connect to WiFi
Yes, yes. It happens. But you cannot leave your device always on WIFI mode. It will suck out the battery. Keep device on the airplane mode for proper battery output. Use WiFi, when necessary.
What if doesn’t work? You can’t see a WiFi network in the network list, or you can’t connect to a WiFI that you can see on the network list. In this case, consider restarting your kindle.