tekemperor

sudo service bluetooth status  # Verify bluetooth is active.
sudo bluetoothctl              # Lauch bluetooth subshell.
agent on                       # [No idea what this does.]
default-agent                  # [No idea what this does.]
scan on                        # Displays a list of available devices.
pair XX:XX:XX:XX:XX:XX         # This prepares a potential connection, the X's represent your device ID
# A "PIN code" will be displayed, type it on the keyboard and press "enter".
trust XX:XX:XX:XX:XX:XX        # Adds device to trusted devices, this survives reboot.
connect XX:XX:XX:XX:XX:XX      # Connect to the device now.
exit                           # Return to previous shell.

tekemperor

1. Download a firmware image from amazon. ixtab download links redirect to amazon.
 - https://ixtab.tk/kindle-touch-updates.php
2. Connect kindle to computer with USB.
3. Copy firmware image to root of kindle drive.
4. Press and hold power button on kindle until it turns off, then let go.
5. Kindle will reboot and install the desired firmware.

Optional: To Jailbreak, see http://www.mobileread.com/forums/showthread.php?t=275881 for details.