I was just attempting to resurrect my old Vox because my family member still had hers working. But I believe she never updated hers like I did, which bricked it. Anyway, even if there were a way to bring it back, it would be a fool's errand because the processor is so slow it's only good as an e-reader. Here is Kobo's page on discontinued and unsupported devices:
https://help.kobo.com/hc/en-us/artic...ported-by-Kobo