Well yes, I wouldn't dream in those circumstances, of not having an alternative system or two. A POTS phone for starters. And a second SIM with a different mobile company, even if it's a PAYG.
Well yes, I wouldn't dream in those circumstances, of not having an alternative system or two. A POTS phone for starters. And a second SIM with a different mobile company, even if it's a PAYG.