What is the Difference Between an External SIM Card Tray and a Dual SIM Phone? It’s Not Just About an Extra Slot
When many people first see an external SIM card tray, their immediate reaction is: Isn’t this just adding a few more slots to the phone? But if you look at it from the perspective of actual user needs, that’s not really the case. Because while both external SIM card trays and standard dual SIM phones seem […]