[grapenose]

I have been trying to access my Kobo Glo N613.
Have tried installing new firmware but visiting Kobo Desktop and having it upgraded results in losing access. A factory reset gets it functioning again but if I log on again I get the same result, a jagged black line down the middle of the screen and nothing works.
I would like to try editing the KoboReader.sqlite file to get over the need to register. Trying to edit this file as suggested in other posts dose not work for me.
I have installed DB Browser and this seems a better way to edit the file but as yet I have been unable to avoid the registering requirement.
Has anyone used this method to edit the file and can give me instructions on how to proceed.
Thanks