The app has no route to activate a second SIM obtained elsewhere. As I said, trying to do so always takes you to ordering and paying for a SIM from Smarty which defeats the purpose of looking to get up and running quickly by buying a SIM from a shop ...
I looked at this thread because I had the same issue. Your answer referred the OP to resources they explicitly and correctly said do not properly address this situation. Unfortunately, once I worked out what would help, this board does not allow the ...
