What you should do:
Go here -
https://pgaskin.net/KoboStuff/kobofirmware.html (courtesy of @geek1011)
Download the firmware for the Glo (NOT the Glo HD)
Extract the zip file into the .kobo directory of your Mini.
Eject it. It will reboot. This is normal.
You should be able to set it up now, over WiFi or computer.
Good luck.