In the context of “cheap mobile data devices are widely accessible” I don’t think the distinction matters. If you’re relying on your £1 sim to trigger your solar battery charger and it doesn’t, then it doesn’t matter if you technically had signal or not.
In the context of “cheap mobile data devices are widely accessible” I don’t think the distinction matters. If you’re relying on your £1 sim to trigger your solar battery charger and it doesn’t, then it doesn’t matter if you technically had signal or not.