There is a thread here about upgrading the internal uSD card on the Glo, it includes links to a set of tools that do the job in windows.
https://www.mobileread.com/forums/sho...d.php?t=209122
http://www.partitionwizard.com/download.html
http://www.vconsole.com/client/?page=page&id=29
http://www.vconsole.com/client/?page=page&id=28
Or you can find others that create and write img files.
Luck;
Ken