Unfortunately the smarty sim will preference the network over wifi. So if you have terrible signal (which is common on three outside of the major cities) then it will constantly flit between wifi and cell and cause more problems.Other providers like ...
Verses a low/no signal yes. If only you can stop the phone from constantly swapping between great wifi signal and terrible network cell signal.That's the major drawback as Smarty sim's seem to think it's better to have zero bars than a perfectly good...
Yes. I have a dual SIM Samsung A70 and a smarty and EE sim in it. wifi preferred is an option for EE and not for Smarty. If I swap the sims around the capability follows the sim.It's clearly a network issue and due to the often terrible indoor signal...
