Can I use the same number on two different devices? It’s not possible to use the same number on two different devices. Did this answer help you? Back Related articles How does WhatsApp work with the eSIM or dual SIM function? Can I use an eSIM with an Apple Watch? Can I use swype to set up a mobile hotspot (tethering)? Can I use both a traditional SIM card and an eSIM? Which devices support eSIMs?