Dual SIM - definition

This determines whether a gadget is fit for supporting two SIM cards. The two significant sorts of double SIM telephones are dynamic and backup. Double SIM Reserve (DSS) requires the client to indicate which of the two SIMs can settle on and get decisions, while Double SIM Dynamic (DSA) empowers the two cards to get calls simultaneously. This last option include typically requires an extra handset for the auxiliary SIM card, and as such consumes more battery duration. Later models highlight Double SIM Double Backup (DSDS) innovation which empowers them to have two dynamic SIMs with only one handset.