IPhone 12 Pro Max. Fastcharge testing conducted with drained iPhone. How Will Apple S Iphone 12 Pro Beat Samsung Galaxy S20 Ultra Quora A dual SIM phone has the capacity to support up to two SIM cards at any one time. Iphone dual sim quora . With iOS 13 and later both of your phone numbers can make and receive voice and FaceTime calls and send and receive messages using iMessage SMS and MMS. This uses Dual SIM Dual Standby DSDS technology which means that both SIMs can make and receive calls. This type of phone will be having Single RF Antenna for both the SIMs. If you check the webpage of the iPhone 12 or previous. They dont have to be from the same carrier to be supported on the device. IPhones that have dual-SIM are. SIM holders iPhone cases Multi-SIM tools Storage pouch for phone Home. As there is only one antenna so when you will accept call in one at that time other SIM will go out of coverage and you will miss other SIM call. IPhone 11 Pro Max. Thi...