SIM Card Settings
If your Galaxy smartphone supports Dual SIM, the card tray both is Nano-SIM. You can rename two SIM cards and modify the network settings
Change Default Card in Samsung Phone: ;You can change default SIM selection for dual Sim. Now a days most of the android devices comes with Dual SIM support, we can set or change the default SIM selection according to our preference for Call, Message and Data in the settings.
