It looks like Gargoyle Pocket V2 doesn't support full reflash (factory) and that's why I think you're done with version 1.10.0 (OpenWrt Chaos Calmer platform).
But you will need to contact the Gargoyle Administrator (@Eric) for further action.
P.S. Also check (from the label on the router) if it is the correct type and version of firmware.
Turris Omnia with OpenWrt 21.02 - Tested
Linksys WRT3200ACM with Gargoyle 1.13.x
TL-WR1043ND v2 with Gargoyle 1.10.0
http://gargoyle.romanhk.cz custom builds by gargoyle users
It looks like Gargoyle Pocket V2 doesn't support full reflash (factory) and that's why I think you're done with version 1.10.0 (OpenWrt Chaos Calmer platform).
But you will need to contact the Gargoyle Administrator (@Eric) for further action.
P.S. Also check (from the label on the router) if it is the correct type and version of firmware.
So I used the original command line copied and edit it with this :